diff --git a/.gitignore b/.gitignore
index 2351bda..5c8bfee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,5 +11,3 @@
 /configure~
 *.swo
 *.swp
-/test-reports/
-/.tox/
diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
deleted file mode 100644
index 93093de..0000000
--- a/DEVELOPMENT.md
+++ /dev/null
@@ -1,122 +0,0 @@
-# Development
-
-> All changes MUST follow the vendor/tiara-gitflow-spec.git and no work MUST be
-> started without a TODO issue.
-
-## Prerequisites
-
-- Python 3.9+
-- [Pipenv](https://pipenv.pypa.io/)
-- [tox](https://tox.wiki/) (installed via Pipenv dev dependencies)
-- Node.js (for the `@byteb4rb1e/mime-todo` issue tracker CLI)
-
-## Setup
-
-Iniitialize Git submodules:
-
-```bash
-git submodule update --init --remote --recursive
-```
-
-Install dependencies (includes the package in editable mode):
-
-```bash
-pipenv install --dev
-```
-
-
-## Tooling
-
-### Package
-
-The project is packaged as `byteb4rb1e.utils` under a namespace package
-layout (`src/byteb4rb1e/utils/`). It is installed in editable mode via
-Pipenv.
-
-Build a distribution:
-
-```bash
-pipenv run dist
-```
-
-### Testing
-
-Tests are managed by tox. Test environments are defined in `tox.ini`:
-
-```bash
-# run all test suites
-tox
-
-# run specific environments
-tox -e unit-py313
-tox -e lint
-tox -e format
-```
-
-| Environment | Purpose |
-|---|---|
-| `unit-py3{9-13}` | Unit tests |
-| `smoke-py3{9-13}` | Smoke tests |
-| `integration-py3{9-13}` | Integration tests |
-| `lint` | Type checking (mypy) |
-| `format` | Code style (autopep8) |
-| `audit` | Dependency audit (pip-audit) |
-
-### Issue tracker
-
-Issues are tracked in the `TODO` file using the
-[MIME TODO](https://specs.code.tiararodney.com/mime-todo/) format. Use the
-`@byteb4rb1e/mime-todo` CLI to interact with it:
-
-```bash
-# list issues
-npx @byteb4rb1e/mime-todo list
-
-# show a specific issue
-npx @byteb4rb1e/mime-todo show 3
-
-# create an issue
-npx @byteb4rb1e/mime-todo create --type feature --title "Title" --plan "Description" --module homeostat
-```
-
-See [CONTRIBUTING.md](CONTRIBUTING.md) for the full issue lifecycle.
-
-### Publishing
-
-Build wheel and source distributions:
-
-```sh
-pipenv run sdist
-```
-
-Configure publishing options:
-
-`~/.pypirc`
-```
-[distutils]
-index-servers =
-    tiararodney
-
-[tiararodney]
-repository: https://pypi.code.tiararodney.com/root/byteb4rb1e/
-username: <username>
-password: <password>
-```
-
-Publish to pypi.code.tiararodney.com:
-
-```sh
-pipenv run sdist:publish:tiarardoney
-```
-
-
-## Project layout
-
-```
-src/byteb4rb1e/utils/        # package source
-tests/                       # test suites (unit/, smoke/, integration/)
-vendor/                      # vendored specs
-dist/                        # sdist and wheel build output 
-DEVELOPMENT.md               # this file
-TODO                         # issue tracker (MIME TODO format)
-```
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index e69de29..0000000
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..37439f1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,24 @@
+.PHONY: chore configure
+
+chore: configure Pipfile.lock requirements-dev.txt
+
+Pipfile.lock: .venv Pipfile
+	.venv/bin/pipenv lock
+
+requirements-dev.txt: .venv Pipfile.lock
+	.venv/bin/pipenv requirements --dev-only > requirements-dev.txt
+
+configure: configure.ac
+	autoconf
+
+.venv: requirements-dev.txt
+	python3 -m venv .venv
+	.venv/bin/python3 -m pip install --upgrade pip
+	.venv/bin/pip install -r requirements-dev.txt
+
+test-reports:
+	.venv/bin/python3 -m unittest discover -v
+
+build: .venv/bin/pipenv
+	.venv/bin/pipenv run build
+
diff --git a/Pipfile b/Pipfile
index 8671f4d..89a5cd3 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,25 +4,17 @@ verify_ssl = true
 name = "pypi"
 
 [dev-packages]
+mypy = "~=1.15.0"
+autopep8 = "~=2.3.2"
 setuptools-scm = "~=8.2.0"
+pylint = "~=3.3.6"
 build = "*"
 pipenv = "*"
-tox = "*"
-twine = "*"
-pypi-attestations = "*"
-autopep8 = "*"
+byteb4rb1e-utils =  { editable = true, path = '.'}
 
 [requires]
-python_version = "3"
+python_version = "3.11"
 
 [scripts]
-"dist" = "python3 -m build"
-"dist:attestations" = "python3 -m pypi_attestations sign dist/*"
-"dist:publish:tiararodney" = "python3 -m twine upload --sign --repository tiararodney dist/*"
-"test" = "tox"
-"test:static" = "tox run -m static"
-"test:unit" = "tox run -m unit"
-"test:integration" = "tox run -m integration"
+"build" = "python3 -m build"
 
-[packages]
-"byteb4rb1e.utils" = {file = ".", editable = true}
diff --git a/Pipfile.lock b/Pipfile.lock
index d715cea..7f78522 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "7bf1e5e3285cb7ead9e247720d2abc340a64c17d42127e41745bff3309521b41"
+            "sha256": "4847baa5a13a96f2c3de2a246a0c088806c308426c79d8105387dff1fe1f1e58"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3"
+            "python_version": "3.11"
         },
         "sources": [
             {
@@ -15,20 +15,15 @@
             }
         ]
     },
-    "default": {
-        "byteb4rb1e.utils": {
-            "editable": true,
-            "file": "."
-        }
-    },
+    "default": {},
     "develop": {
-        "annotated-types": {
+        "astroid": {
             "hashes": [
-                "sha256:1f02e8b43a8fbbc3f3e0d4f0f4bfc8131bcb4eebe8849b8e5c773f3a1c582a53",
-                "sha256:aff07c09a53a08bc8cfccb9c85b05f1aa9a2a6f23728d790723543408344ce89"
+                "sha256:622cc8e3048684aa42c820d9d218978021c3c3d174fb03a9f0d615921744f550",
+                "sha256:d05bfd0acba96a7bd43e222828b7d9bc1e138aaeb0649707908d3702a9831248"
             ],
-            "markers": "python_version >= '3.8'",
-            "version": "==0.7.0"
+            "markers": "python_full_version >= '3.9.0'",
+            "version": "==3.3.9"
         },
         "autopep8": {
             "hashes": [
@@ -41,253 +36,24 @@
         },
         "build": {
             "hashes": [
-                "sha256:6a07c1b8eb6f2b311b96fcbdbce5dab5fe637ffda0fd83c9cac622e927501596",
-                "sha256:f1b91b925aa322be454f8330c6fb48b465da993d1e7e7e6fa35027ec49f3c936"
+                "sha256:1d61c0887fa860c01971625baae8bdd338e517b836a2f70dd1f7aa3a6b2fc5b5",
+                "sha256:b36993e92ca9375a219c99e606a122ff365a760a2d4bba0caa09bd5278b608b7"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.9'",
-            "version": "==1.4.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==1.2.2.post1"
         },
-        "cachetools": {
-            "hashes": [
-                "sha256:0cd042c24377200c1dcd225f8b7b12b0ca53cc2c961b43757e774ebe190fd990",
-                "sha256:46bc8ebefbe485407621d0a4264b23c080cedd913921bad7ac3ed2f26c183114"
-            ],
-            "markers": "python_version >= '3.10'",
-            "version": "==7.0.5"
+        "byteb4rb1e-utils": {
+            "editable": true,
+            "path": "."
         },
         "certifi": {
             "hashes": [
-                "sha256:027692e4402ad994f1c42e52a4997a9763c646b73e4096e4d5d6db8af1d6f0fa",
-                "sha256:e887ab5cee78ea814d3472169153c2d12cd43b14bd03329a39a9c6e2e80bfba7"
+                "sha256:0a816057ea3cdefcef70270d2c515e4506bbc954f417fa5ade2021213bb8f0c6",
+                "sha256:30350364dfe371162649852c63336a15c70c6510c2ad5015b21c2345311805f3"
             ],
-            "markers": "python_version >= '3.7'",
-            "version": "==2026.2.25"
-        },
-        "cffi": {
-            "hashes": [
-                "sha256:00bdf7acc5f795150faa6957054fbbca2439db2f775ce831222b66f192f03beb",
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@@ -748,104 +199,13 @@
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-                "sha256:b8daa0b9e4eef54dd8cf7c86c03713f53241884e814f4e2f5fb342fe520f639b"
-            ],
-            "markers": "python_full_version >= '3.8.0'",
-            "version": "==14.3.3"
-        },
-        "secretstorage": {
-            "hashes": [
-                "sha256:0ce65888c0725fcb2c5bc0fdb8e5438eece02c523557ea40ce0703c266248137",
-                "sha256:f04b8e4689cbce351744d5537bf6b1329c6fc68f91fa666f60a380edddcd11be"
-            ],
-            "markers": "python_version >= '3.10'",
-            "version": "==3.5.0"
-        },
-        "securesystemslib": {
-            "hashes": [
-                "sha256:2e5414bbdde33155a91805b295cbedc4ae3f12b48dccc63e1089093537f43c81",
-                "sha256:ca915f4b88209bb5450ac05426b859d74b7cd1421cafcf73b8dd3418a0b17486"
-            ],
-            "markers": "python_version ~= '3.8'",
-            "version": "==1.3.1"
-        },
         "setuptools": {
             "hashes": [
-                "sha256:7d872682c5d01cfde07da7bccc7b65469d3dca203318515ada1de5eda35efbf9",
-                "sha256:a59e362652f08dcd477c78bb6e7bd9d80a7995bc73ce773050228a348ce2e5bb"
+                "sha256:a65cffc4fb86167e3020b3ef58e08226baad8b29a3b34ce2c9d07e901bac481d",
+                "sha256:ec8308eb180b2312062b1c5523204acf872cd8b0a9e6c2ae76431b22bc4065d7"
             ],
             "markers": "python_version >= '3.9'",
-            "version": "==82.0.1"
+            "version": "==80.3.0"
         },
         "setuptools-scm": {
             "hashes": [
@@ -856,95 +216,29 @@
             "markers": "python_version >= '3.8'",
             "version": "==8.2.0"
         },
-        "sigstore": {
+        "tomlkit": {
             "hashes": [
-                "sha256:bdbb49a42fd5f0ea6765919adb42ccee7254c482330764d0842eec4e11ad78d7",
-                "sha256:ed2e0f50aae85148a8aa4fc0f57c298927fce430ad1f988f38611ce90c85829f"
-            ],
-            "markers": "python_version >= '3.10'",
-            "version": "==4.2.0"
-        },
-        "sigstore-models": {
-            "hashes": [
-                "sha256:5201a68f4d7d0f8bec1e2f4378eb646b084c52609a4e31db8c385095fff68b2e",
-                "sha256:c766c09470c2a7e8a4a333c893f07e2001c56a3ff1757b1a246119f53169a849"
-            ],
-            "markers": "python_version >= '3.10'",
-            "version": "==0.0.6"
-        },
-        "sigstore-rekor-types": {
-            "hashes": [
-                "sha256:19aef25433218ebf9975a1e8b523cc84aaf3cd395ad39a30523b083ea7917ec5",
-                "sha256:b62bf38c5b1a62bc0d7fe0ee51a0709e49311d137c7880c329882a8f4b2d1d78"
+                "sha256:7a974427f6e119197f670fbbbeae7bef749a6c14e793db934baefc1b5f03efde",
+                "sha256:fff5fe59a87295b278abd31bec92c15d9bc4a06885ab12bcea52c71119392e79"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==0.0.18"
-        },
-        "tomli-w": {
-            "hashes": [
-                "sha256:188306098d013b691fcadc011abd66727d3c414c571bb01b1a174ba8c983cf90",
-                "sha256:2dd14fac5a47c27be9cd4c976af5a12d87fb1f0b4512f81d69cce3b35ae25021"
-            ],
-            "markers": "python_version >= '3.9'",
-            "version": "==1.2.0"
-        },
-        "tox": {
-            "hashes": [
-                "sha256:5e788a512bfe6f7447e0c8d7c1b666eb2e56e5e676c65717490423bec37d1a07",
-                "sha256:c745641de6cc4f19d066bd9f98c1c25f7affb005b381b7f3694a1f142ea0946b"
-            ],
-            "index": "pypi",
-            "markers": "python_version >= '3.10'",
-            "version": "==4.50.3"
-        },
-        "tuf": {
-            "hashes": [
-                "sha256:458f663a233d95cc76dde0e1a3d01796516a05ce2781fefafebe037f7729601a",
-                "sha256:9eed0f7888c5fff45dc62164ff243a05d47fb8a3208035eb268974287e0aee8d"
-            ],
-            "markers": "python_version >= '3.8'",
-            "version": "==6.0.0"
-        },
-        "twine": {
-            "hashes": [
-                "sha256:418ebf08ccda9a8caaebe414433b0ba5e25eb5e4a927667122fbe8f829f985d8",
-                "sha256:e5ed0d2fd70c9959770dce51c8f39c8945c574e18173a7b81802dab51b4b75cf"
-            ],
-            "index": "pypi",
-            "markers": "python_version >= '3.9'",
-            "version": "==6.2.0"
+            "version": "==0.13.2"
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:0cea48d173cc12fa28ecabc3b837ea3cf6f38c6d1136f85cbaaf598984861466",
-                "sha256:f0fa19c6845758ab08074a0cfa8b7aecb71c999ca73d62883bc25cc018c4e548"
+                "sha256:a439e7c04b49fec3e5d3e2beaa21755cadbbdc391694e28ccdd36ca4a1408f8c",
+                "sha256:e6c81219bd689f51865d9e372991c540bda33a0379d5573cddb9a3a23f7caaef"
             ],
-            "markers": "python_version >= '3.9'",
-            "version": "==4.15.0"
-        },
-        "typing-inspection": {
-            "hashes": [
-                "sha256:4ed1cacbdc298c220f1bd249ed5287caa16f34d44ef4e9c3d0cbad5b521545e7",
-                "sha256:ba561c48a67c5958007083d386c3295464928b01faa735ab8547c5692e87f464"
-            ],
-            "markers": "python_version >= '3.9'",
-            "version": "==0.4.2"
-        },
-        "urllib3": {
-            "hashes": [
-                "sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed",
-                "sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4"
-            ],
-            "markers": "python_version >= '3.9'",
-            "version": "==2.6.3"
+            "markers": "python_version >= '3.8'",
+            "version": "==4.13.2"
         },
         "virtualenv": {
             "hashes": [
-                "sha256:1720dc3a62ef5b443092e3f499228599045d7fea4c79199770499df8becf9098",
-                "sha256:1bd755b504931164a5a496d217c014d098426cddc79363ad66ac78125f9d908f"
+                "sha256:800863162bcaa5450a6e4d721049730e7f2dae07720e0902b0e4040bd6f9ada8",
+                "sha256:e34302959180fca3af42d1800df014b35019490b119eba981af27f2fa486e5d6"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==21.2.0"
+            "version": "==20.30.0"
         }
     }
 }
diff --git a/TODO b/TODO
index e747197..dd4cd66 100644
--- a/TODO
+++ b/TODO
@@ -30,7 +30,7 @@ preserve Git diffing.
 ID: [ISSUE-NUMBER]
 Type: [feature/bugfix/hotfix]
 Title: [Short title]
-Status: [open/in-progress/done/hold/cancelled]
+Status: [open/in-progress/done]
 Priority: [low/medium/high]
 Created: [YYYY-MM-DD]
 Description: [Detailed explanation]
@@ -50,7 +50,7 @@ Description: [Detailed explanation]
 ID: 1
 Type: feature
 Title: implement KMP algorithm for string searching
-Status: hold
+Status: in-progress
 Priority: high
 Created: 2025-05-03
 Description: Implement the Knuth-Morris-Pratt algorithm for string searching.
@@ -79,165 +79,3 @@ Description: move the unit test suites to a unit/ subdirectory so that
              integration tests and benchmarks can be cleanly separated
 
 ---
-
-ID: 4
-Type: feature
-Title: implement Rabin-Karp rolling hash algorithm
-Status: done
-Priority: high
-Created: 2025-05-05
-Description: After testing a couple of string search algorithms, I've ditched
-             the idea of using KMP as my use-case gives no advantage compared to
-             naive searching. In addition I've came upon the challenge that many
-             string search algorithms are optimized for search on a linear
-             buffer, which in my case is not applicable as the implementation
-             the search algorithm is for uses a circular buffer. Rabin-Karp
-             seemed promising. I've come up with a different approach though,
-             which is still based on rolling hashes, therefore, as a base, I
-             need an implementation of the original Rabin-Karp rolling hash
-             algorithm
-
----
-
-ID: 5
-Type: feature
-Title: implement chunked rolling hash algorithm
-Status: in-progress
-Priority: high
-Created: 2025-05-05
-Description: Implement my custom algorithm for doing rolling hash string search
-             against a fixed length ring buffer
-
----
-
-ID: 6
-Type: feature
-Title: implement importlib.resources handler for urllib
-Status: done
-Priority: high
-Created: 2025-06-20
-Description: A handler that can be registered with an urllib.request
-             OpenerDirector to open importlib.resources package files.
-
----
-
-ID: 7
-Type: feature
-Title: setup advanced testing environment
-Status: done
-Priority: high
-Created: 2025-06-20
-Description: copy the testing environment setup from
-             byteb4rb1e.sphinxcontrib.ext
-
----
-
-ID: 8
-Type: bugfix
-Title: rename package
-Status: done
-Priority: high
-Created: 2025-06-20
-Description: use dot namespaces to make the package a little more elegant
-
----
-
-ID: 9
-Type: bugfix
-Title: fix LICENSE reference
-Status: done
-Priority: high
-Created: 2025-06-20
-Description: license specification is no longer a trove classifier in
-             pyproject.toml, hence the reference to LICENSE must be changed
-
----
-
-ID: 10
-Type: feature
-Title: pytest current test context fixtures
-Status: done
-Priority: high
-Created: 2025-06-20
-Description: add fixtures for doing things in relation to the active testing
-             context
-
----
-
-ID: 11
-Type: bugfix
-Title: move testing utils out of utils
-Status: done
-Priority: high
-Created: 2025-06-20
-Description: to shorten the namespace and also indicate that testing utilities
-             are different from regular utilities
-
----
-
-ID: 12
-Type: feature
-Title: simplify testing.fixtures.mock_pkg
-Status: done
-Priority: high
-Created: 2025-06-21
-Description: Only bootstrap a package mock with the minimum requirements for a
-             Python module and let the consumer handle the directory layout.
-
----
-
-ID: 13
-Type: bugfix
-Title: fix unit tests for urllib PkgHandler
-Status: done
-Priority: high
-Created: 2025-06-21
-Description: change of issue 12 wasn't properly reflected in urllib PkgHandler
-             unit tests
-
----
-
-ID: 14
-Type: feature
-Title: add compression support for urllib PkgHandler
-Status: done
-Priority: high
-Created: 2025-06-21
-Description: with a proper content-type of the PkgHandler addinfourl object, a
-             consumer can determine whether the file is compressed or not.
-
----
-
-ID: 15
-Type: bugfix
-Title: modularize module containers
-Status: open
-Priority: high
-Created: 2025-06-28
-Description: Even though importlib can find submodules through traversing paths
-             instead of relying on __init__.py for every ancestor module, this
-             is not supported by some modules like sphinx.ext.autosummary
-
----
-
-ID: 16
-Type: feature
-Title: SQL-aware dataclass
-Status: in-progress
-Priority: low
-Created: 2025-12-31
-Description: A dataclass that transparently maps onto an SQL datastore, with
-             command generation for syncing data between data class and store
-
----
-
-ID: 17
-Type: feature
-Title: recursive-descent HTML (DOM) parser
-Status: in-progress
-Priority: high
-Created: 2025-12-31
-Description: Extend the built-in event-driven parser to be modeled after DOM
-             recursive-descent HTML parser
-
----
diff --git a/configure b/configure
new file mode 100644
index 0000000..ade147c
--- /dev/null
+++ b/configure
@@ -0,0 +1,2663 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.72.
+#
+#
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
+# Inc.
+#
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac ;;
+esac
+fi
+
+
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
+as_nl='
+'
+export as_nl
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+
+# The user is always right.
+if ${PATH_SEPARATOR+false} :; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed 'exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else case e in #(
+  e) case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
+then :
+
+else case e in #(
+  e) exitcode=1; echo positional parameters were not saved. ;;
+esac
+fi
+test x\$exitcode = x0 || exit 1
+blah=\$(echo \$(echo blah))
+test x\"\$blah\" = xblah || exit 1
+test -x / || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"
+  if (eval "$as_required") 2>/dev/null
+then :
+  as_have_required=yes
+else case e in #(
+  e) as_have_required=no ;;
+esac
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+then :
+
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+IFS=$as_save_IFS
+if $as_found
+then :
+
+else case e in #(
+  e) if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi ;;
+esac
+fi
+
+
+      if test "x$CONFIG_SHELL" != x
+then :
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed 'exec'.
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+fi
+
+    if test x$as_have_required = xno
+then :
+  printf "%s\n" "$0: This script requires a shell more modern than all"
+  printf "%s\n" "$0: the shells that I found on your system."
+  if test ${ZSH_VERSION+y} ; then
+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
+fi ;;
+esac
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else case e in #(
+  e) as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  } ;;
+esac
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else case e in #(
+  e) as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  } ;;
+esac
+fi # as_fn_arith
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      t clear
+      :clear
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
+
+# Sed expression to map a string onto a valid variable name.
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
+
+
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+
+# Identity of this package.
+PACKAGE_NAME=''
+PACKAGE_TARNAME=''
+PACKAGE_VERSION=''
+PACKAGE_STRING=''
+PACKAGE_BUGREPORT=''
+PACKAGE_URL=''
+
+ac_subst_vars='LTLIBOBJS
+LIBOBJS
+REALPATH
+PYTHON3
+GIT
+MAKE
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+runstatedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
+ac_subst_files=''
+ac_user_opts='
+enable_option_checking
+'
+      ac_precious_vars='build_alias
+host_alias
+target_alias'
+
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+ac_unrecognized_opts=
+ac_unrecognized_sep=
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+# (The list follows the same order as the GNU Coding Standards.)
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datarootdir='${prefix}/share'
+datadir='${datarootdir}'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+docdir='${datarootdir}/doc/${PACKAGE}'
+infodir='${datarootdir}/info'
+htmldir='${docdir}'
+dvidir='${docdir}'
+pdfdir='${docdir}'
+psdir='${docdir}'
+libdir='${exec_prefix}/lib'
+localedir='${datarootdir}/locale'
+mandir='${datarootdir}/man'
+
+ac_prev=
+ac_dashdash=
+for ac_option
+do
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval $ac_prev=\$ac_option
+    ac_prev=
+    continue
+  fi
+
+  case $ac_option in
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
+  esac
+
+  case $ac_dashdash$ac_option in
+  --)
+    ac_dashdash=yes ;;
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir=$ac_optarg ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build_alias ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build_alias=$ac_optarg ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file=$ac_optarg ;;
+
+  --config-cache | -C)
+    cache_file=config.cache ;;
+
+  -datadir | --datadir | --datadi | --datad)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=*)
+    datadir=$ac_optarg ;;
+
+  -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
+  | --dataroo | --dataro | --datar)
+    ac_prev=datarootdir ;;
+  -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
+  | --dataroot=* | --dataroo=* | --dataro=* | --datar=*)
+    datarootdir=$ac_optarg ;;
+
+  -disable-* | --disable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=no ;;
+
+  -docdir | --docdir | --docdi | --doc | --do)
+    ac_prev=docdir ;;
+  -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
+    docdir=$ac_optarg ;;
+
+  -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
+    ac_prev=dvidir ;;
+  -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
+    dvidir=$ac_optarg ;;
+
+  -enable-* | --enable-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"enable_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval enable_$ac_useropt=\$ac_optarg ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix=$ac_optarg ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he | -h)
+    ac_init_help=long ;;
+  -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+    ac_init_help=recursive ;;
+  -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+    ac_init_help=short ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host_alias ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host_alias=$ac_optarg ;;
+
+  -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
+    ac_prev=htmldir ;;
+  -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
+  | --ht=*)
+    htmldir=$ac_optarg ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir=$ac_optarg ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir=$ac_optarg ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir=$ac_optarg ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir=$ac_optarg ;;
+
+  -localedir | --localedir | --localedi | --localed | --locale)
+    ac_prev=localedir ;;
+  -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
+    localedir=$ac_optarg ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst | --locals)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
+    localstatedir=$ac_optarg ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir=$ac_optarg ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c | -n)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir=$ac_optarg ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix=$ac_optarg ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix=$ac_optarg ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix=$ac_optarg ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name=$ac_optarg ;;
+
+  -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
+    ac_prev=pdfdir ;;
+  -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
+    pdfdir=$ac_optarg ;;
+
+  -psdir | --psdir | --psdi | --psd | --ps)
+    ac_prev=psdir ;;
+  -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
+    psdir=$ac_optarg ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir=$ac_optarg ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir=$ac_optarg ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site=$ac_optarg ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir=$ac_optarg ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir=$ac_optarg ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target_alias ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target_alias=$ac_optarg ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers | -V)
+    ac_init_version=: ;;
+
+  -with-* | --with-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: '$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=\$ac_optarg ;;
+
+  -without-* | --without-*)
+    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    # Reject names that are not valid shell variable names.
+    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
+      as_fn_error $? "invalid package name: '$ac_useropt'"
+    ac_useropt_orig=$ac_useropt
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    case $ac_user_opts in
+      *"
+"with_$ac_useropt"
+"*) ;;
+      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
+	 ac_unrecognized_sep=', ';;
+    esac
+    eval with_$ac_useropt=no ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes=$ac_optarg ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries=$ac_optarg ;;
+
+  -*) as_fn_error $? "unrecognized option: '$ac_option'
+Try '$0 --help' for more information"
+    ;;
+
+  *=*)
+    ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+    # Reject names that are not valid shell variable names.
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error $? "invalid variable name: '$ac_envvar'" ;;
+    esac
+    eval $ac_envvar=\$ac_optarg
+    export $ac_envvar ;;
+
+  *)
+    # FIXME: should be removed in autoconf 3.0.
+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
+    expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  as_fn_error $? "missing argument to $ac_option"
+fi
+
+if test -n "$ac_unrecognized_opts"; then
+  case $enable_option_checking in
+    no) ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+  esac
+fi
+
+# Check all directory arguments for consistency.
+for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
+		datadir sysconfdir sharedstatedir localstatedir includedir \
+		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
+		libdir localedir mandir runstatedir
+do
+  eval ac_val=\$$ac_var
+  # Remove trailing slashes.
+  case $ac_val in
+    */ )
+      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
+      eval $ac_var=\$ac_val;;
+  esac
+  # Be sure to have absolute directory names.
+  case $ac_val in
+    [\\/$]* | ?:[\\/]* )  continue;;
+    NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
+  esac
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
+done
+
+# There might be people who depend on the old broken behavior: '$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+  if test "x$build_alias" = x; then
+    cross_compiling=maybe
+  elif test "x$build_alias" != "x$host_alias"; then
+    cross_compiling=yes
+  fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+ac_pwd=`pwd` && test -n "$ac_pwd" &&
+ac_ls_di=`ls -di .` &&
+ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
+  as_fn_error $? "working directory cannot be determined"
+test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
+  as_fn_error $? "pwd does not report name of working directory"
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then the parent directory.
+  ac_confdir=`$as_dirname -- "$as_myself" ||
+$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_myself" : 'X\(//\)[^/]' \| \
+	 X"$as_myself" : 'X\(//\)$' \| \
+	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_myself" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+  srcdir=$ac_confdir
+  if test ! -r "$srcdir/$ac_unique_file"; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r "$srcdir/$ac_unique_file"; then
+  test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
+fi
+ac_msg="sources are in $srcdir, but 'cd $srcdir' does not work"
+ac_abs_confdir=`(
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
+	pwd)`
+# When building in place, set srcdir=.
+if test "$ac_abs_confdir" = "$ac_pwd"; then
+  srcdir=.
+fi
+# Remove unnecessary trailing slashes from srcdir.
+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
+*/) srcdir=`expr "X$srcdir" : 'X\(.*[^/]\)' \| "X$srcdir" : 'X\(.*\)'`;;
+esac
+for ac_var in $ac_precious_vars; do
+  eval ac_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_env_${ac_var}_value=\$${ac_var}
+  eval ac_cv_env_${ac_var}_set=\${${ac_var}+set}
+  eval ac_cv_env_${ac_var}_value=\$${ac_var}
+done
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+  # Omit some internal or obsolete options to make the list less imposing.
+  # This message is too long to be a string in the A/UX 3.1 sh.
+  cat <<_ACEOF
+'configure' configures this package to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.  See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+  -h, --help              display this help and exit
+      --help=short        display options specific to this package
+      --help=recursive    display the short help of all the included packages
+  -V, --version           display version information and exit
+  -q, --quiet, --silent   do not print 'checking ...' messages
+      --cache-file=FILE   cache test results in FILE [disabled]
+  -C, --config-cache      alias for '--cache-file=config.cache'
+  -n, --no-create         do not create output files
+      --srcdir=DIR        find the sources in DIR [configure dir or '..']
+
+Installation directories:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [PREFIX]
+
+By default, 'make install' will install all the files in
+'$ac_default_prefix/bin', '$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than '$ac_default_prefix' using '--prefix',
+for instance '--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+  --bindir=DIR            user executables [EPREFIX/bin]
+  --sbindir=DIR           system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR        program executables [EPREFIX/libexec]
+  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
+  --libdir=DIR            object code libraries [EPREFIX/lib]
+  --includedir=DIR        C header files [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
+  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR           info documentation [DATAROOTDIR/info]
+  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR            man documentation [DATAROOTDIR/man]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --htmldir=DIR           html documentation [DOCDIR]
+  --dvidir=DIR            dvi documentation [DOCDIR]
+  --pdfdir=DIR            pdf documentation [DOCDIR]
+  --psdir=DIR             ps documentation [DOCDIR]
+_ACEOF
+
+  cat <<\_ACEOF
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+
+  cat <<\_ACEOF
+
+Report bugs to the package provider.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+  # If there are subdirs, report their specific --help.
+  for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+    test -d "$ac_dir" ||
+      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
+      continue
+    ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  # A ".." for each directory in $ac_dir_suffix.
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  case $ac_top_builddir_sub in
+  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+  esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+  .)  # We are building in place.
+    ac_srcdir=.
+    ac_top_srcdir=$ac_top_builddir_sub
+    ac_abs_top_srcdir=$ac_pwd ;;
+  [\\/]* | ?:[\\/]* )  # Absolute name.
+    ac_srcdir=$srcdir$ac_dir_suffix;
+    ac_top_srcdir=$srcdir
+    ac_abs_top_srcdir=$srcdir ;;
+  *) # Relative name.
+    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+    ac_top_srcdir=$ac_top_build_prefix$srcdir
+    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+    cd "$ac_dir" || { ac_status=$?; continue; }
+    # Check for configure.gnu first; this name is used for a wrapper for
+    # Metaconfig's "Configure" on case-insensitive file systems.
+    if test -f "$ac_srcdir/configure.gnu"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_srcdir/configure"; then
+      echo &&
+      $SHELL "$ac_srcdir/configure" --help=recursive
+    else
+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+    fi || ac_status=$?
+    cd "$ac_pwd" || { ac_status=$?; break; }
+  done
+fi
+
+test -n "$ac_init_help" && exit $ac_status
+if $ac_init_version; then
+  cat <<\_ACEOF
+configure
+generated by GNU Autoconf 2.72
+
+Copyright (C) 2023 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+  exit
+fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+ac_configure_args_raw=
+for ac_arg
+do
+  case $ac_arg in
+  *\'*)
+    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  as_fn_append ac_configure_args_raw " '$ac_arg'"
+done
+
+case $ac_configure_args_raw in
+  *$as_nl*)
+    ac_safe_unquote= ;;
+  *)
+    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
+    ac_unsafe_a="$ac_unsafe_z#~"
+    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
+    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+esac
+
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by $as_me, which was
+generated by GNU Autoconf 2.72.  Invocation command line was
+
+  $ $0$ac_configure_args_raw
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X     = `(/bin/uname -X) 2>/dev/null     || echo unknown`
+
+/bin/arch              = `(/bin/arch) 2>/dev/null              || echo unknown`
+/usr/bin/arch -k       = `(/usr/bin/arch -k) 2>/dev/null       || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo      = `(/usr/bin/hostinfo) 2>/dev/null      || echo unknown`
+/bin/machine           = `(/bin/machine) 2>/dev/null           || echo unknown`
+/usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null       || echo unknown`
+/bin/universe          = `(/bin/universe) 2>/dev/null          || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
+  done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+  for ac_arg
+  do
+    case $ac_arg in
+    -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+    -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+    | -silent | --silent | --silen | --sile | --sil)
+      continue ;;
+    *\'*)
+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    esac
+    case $ac_pass in
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    2)
+      as_fn_append ac_configure_args1 " '$ac_arg'"
+      if test $ac_must_keep_next = true; then
+	ac_must_keep_next=false # Got value, back to normal.
+      else
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
+      fi
+      as_fn_append ac_configure_args " '$ac_arg'"
+      ;;
+    esac
+  done
+done
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.  We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+  # Sanitize IFS.
+  IFS=" ""	$as_nl"
+  # Save into config.log some information that might help in debugging.
+  {
+    echo
+
+    printf "%s\n" "## ---------------- ##
+## Cache variables. ##
+## ---------------- ##"
+    echo
+    # The following way of writing the cache mishandles newlines in values,
+(
+  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+  (set) 2>&1 |
+    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      sed -n \
+	"s/'\''/'\''\\\\'\'''\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+      ;; #(
+    *)
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+)
+    echo
+
+    printf "%s\n" "## ----------------- ##
+## Output variables. ##
+## ----------------- ##"
+    echo
+    for ac_var in $ac_subst_vars
+    do
+      eval ac_val=\$$ac_var
+      case $ac_val in
+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      esac
+      printf "%s\n" "$ac_var='\''$ac_val'\''"
+    done | sort
+    echo
+
+    if test -n "$ac_subst_files"; then
+      printf "%s\n" "## ------------------- ##
+## File substitutions. ##
+## ------------------- ##"
+      echo
+      for ac_var in $ac_subst_files
+      do
+	eval ac_val=\$$ac_var
+	case $ac_val in
+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	esac
+	printf "%s\n" "$ac_var='\''$ac_val'\''"
+      done | sort
+      echo
+    fi
+
+    if test -s confdefs.h; then
+      printf "%s\n" "## ----------- ##
+## confdefs.h. ##
+## ----------- ##"
+      echo
+      cat confdefs.h
+      echo
+    fi
+    test "$ac_signal" != 0 &&
+      printf "%s\n" "$as_me: caught signal $ac_signal"
+    printf "%s\n" "$as_me: exit $exit_status"
+  } >&5
+  rm -f core *.core core.conftest.* &&
+    rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+    exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+printf "%s\n" "/* confdefs.h */" > confdefs.h
+
+# Predefined preprocessor variables.
+
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
+
+printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+if test -n "$CONFIG_SITE"; then
+  ac_site_files="$CONFIG_SITE"
+elif test "x$prefix" != xNONE; then
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
+else
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+fi
+
+for ac_site_file in $ac_site_files
+do
+  case $ac_site_file in #(
+  */*) :
+     ;; #(
+  *) :
+    ac_site_file=./$ac_site_file ;;
+esac
+  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
+    sed 's/^/| /' "$ac_site_file" >&5
+    . "$ac_site_file" \
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See 'config.log' for more details" "$LINENO" 5; }
+  fi
+done
+
+if test -r "$cache_file"; then
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
+    case $cache_file in
+      [\\/]* | ?:[\\/]* ) . "$cache_file";;
+      *)                      . "./$cache_file";;
+    esac
+  fi
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
+  >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+  eval ac_old_set=\$ac_cv_env_${ac_var}_set
+  eval ac_new_set=\$ac_env_${ac_var}_set
+  eval ac_old_val=\$ac_cv_env_${ac_var}_value
+  eval ac_new_val=\$ac_env_${ac_var}_value
+  case $ac_old_set,$ac_new_set in
+    set,)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,set)
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
+      ac_cache_corrupted=: ;;
+    ,);;
+    *)
+      if test "x$ac_old_val" != "x$ac_new_val"; then
+	# differences in whitespace do not lead to failure.
+	ac_old_val_w=`echo x $ac_old_val`
+	ac_new_val_w=`echo x $ac_new_val`
+	if test "$ac_old_val_w" != "$ac_new_val_w"; then
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}
+	  ac_cache_corrupted=:
+	else
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;}
+	  eval $ac_var=\$ac_old_val
+	fi
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  '$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  '$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: '$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: '$ac_new_val'" >&2;}
+      fi;;
+  esac
+  # Pass precious variables to config.status.
+  if test "$ac_new_set" = set; then
+    case $ac_new_val in
+    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *) ac_arg=$ac_var=$ac_new_val ;;
+    esac
+    case " $ac_configure_args " in
+      *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+    esac
+  fi
+done
+if $ac_cache_corrupted; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'
+	    and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+for ac_prog in make
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_MAKE+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if test -n "$MAKE"; then
+  ac_cv_prog_MAKE="$MAKE" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_MAKE="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi ;;
+esac
+fi
+MAKE=$ac_cv_prog_MAKE
+if test -n "$MAKE"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAKE" >&5
+printf "%s\n" "$MAKE" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$MAKE" && break
+done
+test -n "$MAKE" || MAKE="no"
+
+if test "$MAKE" == "no"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: without GNU Make, you have to inspect 'Makefile' and deduce build targets yourself." >&5
+printf "%s\n" "$as_me: without GNU Make, you have to inspect 'Makefile' and deduce build targets yourself." >&6;}
+fi
+
+for ac_prog in git
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_GIT+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if test -n "$GIT"; then
+  ac_cv_prog_GIT="$GIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_GIT="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi ;;
+esac
+fi
+GIT=$ac_cv_prog_GIT
+if test -n "$GIT"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $GIT" >&5
+printf "%s\n" "$GIT" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$GIT" && break
+done
+test -n "$GIT" || GIT="no"
+
+if test "$GIT" == "no"
+then :
+  as_fn_error $? "install Git, before continuing." "$LINENO" 5
+fi
+
+for ac_prog in python3
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_PYTHON3+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if test -n "$PYTHON3"; then
+  ac_cv_prog_PYTHON3="$PYTHON3" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_PYTHON3="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi ;;
+esac
+fi
+PYTHON3=$ac_cv_prog_PYTHON3
+if test -n "$PYTHON3"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PYTHON3" >&5
+printf "%s\n" "$PYTHON3" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$PYTHON3" && break
+done
+test -n "$PYTHON3" || PYTHON3="no"
+
+if test "$PYTHON3" == "no"
+then :
+  as_fn_error $? "install Python 3, before continuing." "$LINENO" 5
+fi
+
+# required in Makefile to ensure proper path resolution during preprocessing
+# realpath is not available on macOS
+for ac_prog in realpath
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_REALPATH+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if test -n "$REALPATH"; then
+  ac_cv_prog_REALPATH="$REALPATH" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_REALPATH="$ac_prog"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi ;;
+esac
+fi
+REALPATH=$ac_cv_prog_REALPATH
+if test -n "$REALPATH"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $REALPATH" >&5
+printf "%s\n" "$REALPATH" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+  test -n "$REALPATH" && break
+done
+test -n "$REALPATH" || REALPATH="no"
+
+if test "$REALPATH" == "no"
+then :
+  as_fn_error $? "set a persistent alias for 'realpath', before continuing, e.g.
+
+alias='python3 -c \"import pathlib,sys;print(pathlib.Path(sys.argv[1]).resolve())\"'\"
+" "$LINENO" 5
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: initializing python3 venv..." >&5
+printf "%s\n" "$as_me: initializing python3 venv..." >&6;}
+make .venv
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems.  If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# 'ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* 'ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+    eval ac_val=\$$ac_var
+    case $ac_val in #(
+    *${as_nl}*)
+      case $ac_var in #(
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      esac
+      case $ac_var in #(
+      _ | IFS | as_nl) ;; #(
+      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+      *) { eval $ac_var=; unset $ac_var;} ;;
+      esac ;;
+    esac
+  done
+
+  (set) 2>&1 |
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
+    *${as_nl}ac_space=\ *)
+      # 'set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
+      sed -n \
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+      ;; #(
+    *)
+      # 'set' quotes correctly as required by POSIX, so do not add quotes.
+      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+      ;;
+    esac |
+    sort
+) |
+  sed '
+     /^ac_cv_env_/b end
+     t clear
+     :clear
+     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
+     t end
+     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+     :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+  if test -w "$cache_file"; then
+    if test "x$cache_file" != "x/dev/null"; then
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
+  else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
+  fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+# Transform confdefs.h into DEFS.
+# Protect against shell expansion while executing Makefile rules.
+# Protect against Makefile macro expansion.
+#
+# If the first sed substitution is executed (which looks for macros that
+# take arguments), then branch to the quote section.  Otherwise,
+# look for a macro that doesn't take arguments.
+ac_script='
+:mline
+/\\$/{
+ N
+ s,\\\n,,
+ b mline
+}
+t clear
+:clear
+s/^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*([^)]*)\)[	 ]*\(.*\)/-D\1=\2/g
+t quote
+s/^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\)/-D\1=\2/g
+t quote
+b any
+:quote
+s/[][	 `~#$^&*(){}\\|;'\''"<>?]/\\&/g
+s/\$/$$/g
+H
+:any
+${
+	g
+	s/^\n//
+	s/\n/ /g
+	p
+}
+'
+DEFS=`sed -n "$ac_script" confdefs.h`
+
+
+ac_libobjs=
+ac_ltlibobjs=
+U=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+  # 1. Remove the extension, and $U if already installed.
+  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+
+: "${CONFIG_STATUS=./config.status}"
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac ;;
+esac
+fi
+
+
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
+as_nl='
+'
+export as_nl
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
+
+# The user is always right.
+if ${PATH_SEPARATOR+false} :; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+# Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+  *[\\/]* ) as_myself=$0 ;;
+  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
+  done
+IFS=$as_save_IFS
+
+     ;;
+esac
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+  as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  exit 1
+fi
+
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  printf "%s\n" "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else case e in #(
+  e) as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  } ;;
+esac
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else case e in #(
+  e) as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  } ;;
+esac
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+  rm -f conf$$.dir/conf$$.file
+else
+  rm -f conf$$.dir
+  mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+  if ln -s conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s='ln -s'
+    # ... but there are two gotchas:
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
+    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+      as_ln_s='cp -pR'
+  elif ln conf$$.file conf$$ 2>/dev/null; then
+    as_ln_s=ln
+  else
+    as_ln_s='cp -pR'
+  fi
+else
+  as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+printf "%s\n" X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p='mkdir -p "$as_dir"'
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
+
+# Sed expression to map a string onto a valid variable name.
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
+
+
+exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by $as_me, which was
+generated by GNU Autoconf 2.72.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+'$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
+
+Usage: $0 [OPTION]... [TAG]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+
+Report bugs to the package provider."
+
+_ACEOF
+ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
+ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config='$ac_cs_config_escaped'
+ac_cs_version="\\
+config.status
+configured by $0, generated by GNU Autoconf 2.72,
+  with options \\"\$ac_cs_config\\"
+
+Copyright (C) 2023 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=?*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    printf "%s\n" "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    printf "%s\n" "$ac_cs_config"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --he | --h |  --help | --hel | -h )
+    printf "%s\n" "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) as_fn_error $? "unrecognized option: '$1'
+Try '$0 --help' for more information." ;;
+
+  *) as_fn_append ac_config_targets " $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  shift
+  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
+  CONFIG_SHELL='$SHELL'
+  export CONFIG_SHELL
+  exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  printf "%s\n" "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+
+  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
+  esac
+done
+
+
+as_fn_exit 0
+_ACEOF
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded.  So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status.  When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+  ac_cs_success=:
+  ac_config_status_args=
+  test "$silent" = yes &&
+    ac_config_status_args="$ac_config_status_args --quiet"
+  exec 5>/dev/null
+  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  exec 5>>config.log
+  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+  # would make configure fail if this is the last instruction.
+  $ac_cs_success || as_fn_exit 1
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
+
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..e8c53d1
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,27 @@
+AC_INIT
+
+AC_CHECK_PROGS([MAKE], [make], [no])
+AS_IF([test "$MAKE" == "no"], 
+      [AC_MSG_NOTICE([without GNU Make, you have to inspect 'Makefile' and deduce build targets yourself.])])
+
+AC_CHECK_PROGS([GIT], [git], [no])
+AS_IF([test "$GIT" == "no"], 
+      [AC_MSG_ERROR([install Git, before continuing.])])
+
+AC_CHECK_PROGS([PYTHON3], [python3], [no])
+AS_IF([test "$PYTHON3" == "no"],
+      [AC_MSG_ERROR([install Python 3, before continuing.])])
+
+# required in Makefile to ensure proper path resolution during preprocessing
+# realpath is not available on macOS
+AC_CHECK_PROGS([REALPATH], [realpath], [no])
+AS_IF([test "$REALPATH" == "no"], 
+      [AC_MSG_ERROR([set a persistent alias for 'realpath', before continuing, e.g.
+
+alias='python3 -c "import pathlib,sys;print(pathlib.Path(sys.argv[[1]]).resolve())"'"
+])])
+
+AC_MSG_NOTICE([initializing python3 venv...])
+make .venv
+
+AC_OUTPUT
diff --git a/pyproject.toml b/pyproject.toml
index b3c3d30..b5fcdb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,12 +7,12 @@ requires = [
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "byteb4rb1e.utils"
+name = "byteb4rb1e-utils"
 description = "personal utilities and helpers"
 authors = [
-    { name = "Tiara Rodney", email = "tiara.rodney@byteb4rb1e.me" }
+    { name = "Tiara Rodney", email = "tiara.rodney@administratrix.de" }
 ]
-license-files = ["LICENSE"]
+license = { file = "LICENSE" }
 readme = "README.md"
 classifiers = [
   "Development Status :: 1 - Planning",
@@ -48,6 +48,7 @@ strict = true
 max_line_length = 80
 aggressive = 3
 recursive = true
+in-place = true
 
 [tool.setuptools_scm]
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..15e7cea
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,25 @@
+-i https://pypi.org/simple
+astroid==3.3.9; python_full_version >= '3.9.0'
+autopep8==2.3.2; python_version >= '3.9'
+build==1.2.2.post1; python_version >= '3.8'
+-e .
+certifi==2025.4.26; python_version >= '3.6'
+colorama==0.4.6; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6'
+dill==0.4.0; python_version >= '3.8'
+distlib==0.3.9
+filelock==3.18.0; python_version >= '3.9'
+isort==6.0.1; python_full_version >= '3.9.0'
+mccabe==0.7.0; python_version >= '3.6'
+mypy==1.15.0; python_version >= '3.9'
+mypy-extensions==1.1.0; python_version >= '3.8'
+packaging==25.0; python_version >= '3.8'
+pipenv==2025.0.2; python_version >= '3.9'
+platformdirs==4.3.7; python_version >= '3.9'
+pycodestyle==2.13.0; python_version >= '3.9'
+pylint==3.3.6; python_full_version >= '3.9.0'
+pyproject-hooks==1.2.0; python_version >= '3.7'
+setuptools==80.3.0; python_version >= '3.9'
+setuptools-scm==8.2.0; python_version >= '3.8'
+tomlkit==0.13.2; python_version >= '3.8'
+typing-extensions==4.13.2; python_version >= '3.8'
+virtualenv==20.30.0; python_version >= '3.8'
diff --git a/src/byteb4rb1e/testing/pytest/__init__.py b/src/byteb4rb1e/testing/pytest/__init__.py
deleted file mode 100644
index 87e7c10..0000000
--- a/src/byteb4rb1e/testing/pytest/__init__.py
+++ /dev/null
@@ -1,14 +0,0 @@
-import os
-from pathlib import Path
-from typing import Tuple
-
-
-def get_current_test() -> Tuple[Path, str]:
-    current_test_env = os.getenv("PYTEST_CURRENT_TEST")
-    if current_test_env is None:
-        raise RuntimeError("PYTEST_CURRENT_TEST not set. Must be run under pytest.")
-
-    suite_path, case_name = current_test_env.split('::', 1)
-    case_name = case_name.split(' ', 1)[0]
-    return Path(suite_path).resolve(), case_name
-
diff --git a/src/byteb4rb1e/testing/pytest/decorators.py b/src/byteb4rb1e/testing/pytest/decorators.py
deleted file mode 100644
index a7d8161..0000000
--- a/src/byteb4rb1e/testing/pytest/decorators.py
+++ /dev/null
@@ -1,47 +0,0 @@
-from functools import wraps
-from pathlib import Path
-import os
-import subprocess
-import sys
-
-from byteb4rb1e.testing.pytest import get_current_test
-
-
-def run_in_subprocess_once():
-    """
-    A decorator that reruns th test in a subprocess if not already inside one.
-    Requires pytest to be installed and test to be run by pytest.
-
-    For what? Anything that can't be done in a thread-safe manner, e.g. modifying PYTHON_PATH
-    """
-    def decorator(test_func):
-        @wraps(test_func)
-        def wrapper(*args, **kwargs):
-            if os.environ.get("XPYTEST_INSIDE_SUBPROCESS") == "1":
-                return test_func(*args, **kwargs)
-
-            suite_path, case_name = get_current_test()
-
-            cmd = [
-                sys.executable,
-                "-m", "pytest",
-                f"{suite_path}::{case_name}",
-            ] 
-
-            result = subprocess.run(
-                cmd,
-                env={**os.environ, "XPYTEST_INSIDE_SUBPROCESS": "1"},
-                capture_output=True,
-                text=True,
-            )
-
-            if result.returncode != 0:
-                print(' '.join(cmd))
-                print("==== Subprocess stdout ====")
-                print(result.stdout)
-                print("==== Subprocess stderr ====")
-                print(result.stderr)
-                raise AssertionError(f"Subprocess test failed with exit code {result.returncode}")
-        return wrapper
-    return decorator
-
diff --git a/src/byteb4rb1e/testing/pytest/fixtures.py b/src/byteb4rb1e/testing/pytest/fixtures.py
deleted file mode 100644
index 7c93041..0000000
--- a/src/byteb4rb1e/testing/pytest/fixtures.py
+++ /dev/null
@@ -1,44 +0,0 @@
-import os
-from pathlib import Path
-import sys
-from typing import Dict, Tuple, Union
-
-import pytest
-
-from byteb4rb1e.testing.pytest import get_current_test
-
-_SITE_PACKAGE_COUNTER: Dict[str, int] = {}
-
-
-@pytest.fixture
-def current_test() -> Tuple[Path, str]:
-    """
-    """
-    return get_current_test()
-
-
-@pytest.fixture
-def mock_system_site_package_dir(tmp_path):
-    global _SITE_PACKAGE_COUNTER
-
-    package_id = _SITE_PACKAGE_COUNTER.setdefault(tmp_path, 0)
-    _SITE_PACKAGE_COUNTER[tmp_path] += 1
-
-    sys_path = tmp_path / str(package_id)
-
-    def _create(name: str) -> Path:
-        pkg_path = sys_path / name.replace('.', os.path.sep)
-
-        pkg_path.mkdir(parents=True)
-
-        (pkg_path / "__init__.py").touch()
-
-        sys.path.insert(0, str(sys_path))
-
-        return pkg_path
-
-    yield _create
-
-    # cleanup sys.path after test
-    if str(sys_path) in sys.path:
-        sys.path.remove(str(sys_path))
diff --git a/src/byteb4rb1e/utils/argparse/__init__.py b/src/byteb4rb1e/utils/argparse/__init__.py
deleted file mode 100644
index 84ae3ed..0000000
--- a/src/byteb4rb1e/utils/argparse/__init__.py
+++ /dev/null
@@ -1,6 +0,0 @@
-"""Utilities for building composable CLIs from command dataclasses."""
-
-from byteb4rb1e.utils.argparse.command import CLICommand
-from byteb4rb1e.utils.argparse.dispatcher import CLI
-
-__all__ = ["CLI", "CLICommand"]
diff --git a/src/byteb4rb1e/utils/argparse/command.py b/src/byteb4rb1e/utils/argparse/command.py
deleted file mode 100644
index 199e4f1..0000000
--- a/src/byteb4rb1e/utils/argparse/command.py
+++ /dev/null
@@ -1,54 +0,0 @@
-"""Base command dataclass for composable CLI trees."""
-
-from __future__ import annotations
-
-from argparse import ArgumentParser
-from dataclasses import dataclass, fields
-from typing import Any, ClassVar, Dict, List, Optional, Type
-
-
-@dataclass
-class CLICommand:
-    """Base class for CLI commands.
-
-    Subclasses define their identity (name, help, description) as
-    dataclass fields.  These are passed as kwargs to
-    ``subparsers.add_parser()``.
-
-    Override ``add_arguments`` to register flags and positionals.
-    Override ``execute`` to implement the command's logic.
-
-    Nest subcommands by setting ``_subcommands`` as a class variable.
-    """
-
-    name: str = ""
-    help: str = ""
-    description: str = ""
-
-    _subcommands: ClassVar[List[Type[Command]]] = []
-
-    def add_arguments(self, parser: ArgumentParser) -> None:
-        """Add arguments to the parser.  Override in subclasses."""
-
-    def execute(self, args: Any) -> int:
-        """Run the command.  Override in subclasses.
-
-        Returns an exit code (0 = success).
-        """
-        return 0
-
-    def parser_kwargs(self) -> Dict[str, Any]:
-        """Return the dataclass fields as kwargs for add_parser.
-
-        Excludes ``name`` (used as the positional parser name) and
-        any empty-string fields so argparse defaults apply.
-        """
-        skip = {"name"}
-        kwargs = {}
-        for f in fields(self):
-            if f.name in skip or f.name.startswith("_"):
-                continue
-            val = getattr(self, f.name)
-            if val != "":
-                kwargs[f.name] = val
-        return kwargs
diff --git a/src/byteb4rb1e/utils/argparse/dispatcher.py b/src/byteb4rb1e/utils/argparse/dispatcher.py
deleted file mode 100644
index b579351..0000000
--- a/src/byteb4rb1e/utils/argparse/dispatcher.py
+++ /dev/null
@@ -1,122 +0,0 @@
-"""CLI dispatcher — builds parser trees from command dataclasses."""
-
-from __future__ import annotations
-
-import logging
-from argparse import ArgumentDefaultsHelpFormatter, ArgumentParser
-from typing import Any, Dict, List, Optional, Type
-
-from byteb4rb1e.utils.argparse.command import CLICommand
-
-
-class CLI:
-    """Composable CLI built from a tree of Command dataclasses.
-
-    Recursively bootstraps an argparse parser hierarchy and tracks
-    dest names so ``run()`` can dispatch to the correct leaf command
-    without dest chaining in the caller.
-
-    Usage::
-
-        cli = CLI(prog="repository", description="...")
-        cli.bootstrap([MirrorCommand, IndexCommand])
-        cli.run()
-    """
-
-    def __init__(
-        self,
-        prog: Optional[str] = None,
-        description: str = "",
-    ) -> None:
-        kwargs = {}  # type: Dict[str, Any]
-        if prog:
-            kwargs["prog"] = prog
-        if description:
-            kwargs["description"] = description
-        kwargs.setdefault(
-            "formatter_class", ArgumentDefaultsHelpFormatter,
-        )
-        self.parser = ArgumentParser(**kwargs)
-        self._dests = []  # type: List[str]
-        self._commands = {}  # type: Dict[str, Command]
-
-    def add_arguments(self, parser: ArgumentParser) -> None:
-        """Add global arguments to the root parser."""
-        parser.add_argument(
-            "-v", "--verbose", action="count", default=0,
-            help="Increase verbosity (-v for INFO, -vv for DEBUG)",
-        )
-
-    def bootstrap(
-        self,
-        commands: List[Type[Command]],
-    ) -> None:
-        """Build the parser tree from a list of top-level commands."""
-        self.add_arguments(self.parser)
-        dest = "command"
-        self._dests.append(dest)
-        sub = self.parser.add_subparsers(dest=dest)
-        for cmd_cls in commands:
-            self._add(sub, cmd_cls, prefix="")
-
-    def _add(
-        self,
-        subparsers: Any,
-        cmd_cls: Type[Command],
-        prefix: str,
-    ) -> None:
-        """Recursively add a command and its subcommands."""
-        cmd = cmd_cls()
-        parser = subparsers.add_parser(
-            cmd.name,
-            formatter_class=ArgumentDefaultsHelpFormatter,
-            **cmd.parser_kwargs(),
-        )
-        cmd.add_arguments(parser)
-
-        key = "%s.%s" % (prefix, cmd.name) if prefix else cmd.name
-        self._commands[key] = cmd
-
-        if cmd._subcommands:
-            dest = "%s_command" % cmd.name
-            self._dests.append(dest)
-            child_sub = parser.add_subparsers(dest=dest)
-            for sc_cls in cmd._subcommands:
-                self._add(child_sub, sc_cls, prefix=key)
-
-    def _resolve(self, args: Any) -> Optional[Command]:
-        """Walk dest chain to find the leaf command."""
-        parts = []  # type: List[str]
-        for dest in self._dests:
-            val = getattr(args, dest, None)
-            if val is None:
-                continue
-            parts.append(val)
-        if not parts:
-            return None
-        key = ".".join(parts)
-        return self._commands.get(key)
-
-    @staticmethod
-    def _setup_logging(verbosity: int) -> None:
-        if verbosity >= 2:
-            level = logging.DEBUG
-        elif verbosity >= 1:
-            level = logging.INFO
-        else:
-            level = logging.WARNING
-        logging.basicConfig(
-            level=level,
-            format="%(asctime)s [%(levelname)s] %(message)s",
-            handlers=[logging.StreamHandler()],
-        )
-
-    def run(self) -> None:
-        """Parse args and dispatch to the leaf command."""
-        args = self.parser.parse_args()
-        self._setup_logging(getattr(args, "verbose", 0))
-        cmd = self._resolve(args)
-        if cmd is None:
-            self.parser.print_help()
-            raise SystemExit(1)
-        raise SystemExit(cmd.execute(args))
diff --git a/src/byteb4rb1e/utils/http/client.py b/src/byteb4rb1e/utils/http/client.py
deleted file mode 100644
index 0962445..0000000
--- a/src/byteb4rb1e/utils/http/client.py
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/usr/bin/env python3
-"""Generic HTTP client.
-
-Thin urllib wrapper with retry-on-rate-limit.  No domain knowledge —
-GitHub, Bitbucket, etc. are handled by higher-level modules.
-"""
-
-import json
-import time
-from typing import Any, Dict, Optional
-import urllib.request
-import urllib.parse
-from warnings import warn
-
-
-class HttpResponse:
-    def __init__(self, status: int, headers: dict, data: bytes, reason: str):
-        self.status_code = status
-        self.headers = headers
-        self.data = data
-        self.reason = reason
-        self.text = data.decode("utf-8", errors="replace")
-
-    def json(self):
-        return json.loads(self.data.decode("utf-8"))
-
-
-def _request(
-    url: str,
-    method: str = "GET",
-    params: Optional[Dict[str, Any]] = None,
-    headers: Optional[Dict[str, str]] = None,
-    data: Optional[bytes] = None,
-) -> HttpResponse:
-    # TODO: do proper exponential backoff
-    backoff = [1, 2, 4]
-
-    if params:
-        query = urllib.parse.urlencode(params)
-        url = f"{url}?{query}"
-
-    req = urllib.request.Request(
-        url,
-        headers=headers or {},
-        method=method,
-        data=data,
-    )
-
-    for delay in backoff:
-        try:
-            with urllib.request.urlopen(req, timeout=30) as resp:
-                status = resp.getcode()
-                resp_data = resp.read()
-                resp_headers = dict(resp.getheaders())
-
-                if status == 429:
-                    warn(f"Rate-limited on {url} (HTTP {status})."
-                         f" Backing off {delay}s...")
-                    time.sleep(delay)
-                    continue
-
-                return HttpResponse(
-                    status, resp_headers, resp_data, resp.reason,
-                )
-
-        except urllib.error.HTTPError as e:
-            status = e.code
-            err_data = e.read()
-            err_headers = dict(e.headers.items())
-            if status == 429:
-                warn(f"Rate-limited on {url} (HTTP {status})."
-                     f" Backing off {delay}s...")
-                time.sleep(delay)
-                continue
-            return HttpResponse(
-                status, err_headers, err_data, e.reason,
-            )
-
-        except urllib.error.URLError as e:
-            raise Exception(
-                "Network error on %s: %s", url, e,
-            ) from e
-
-    # If all retries exhausted, return last error-like response
-    return HttpResponse(503, {}, b"", "Service unavailable")
-
-
-def get(
-    url: str,
-    params: Optional[Dict[str, Any]] = None,
-    headers: Optional[Dict[str, str]] = None,
-) -> HttpResponse:
-    return _request(url, method="GET", params=params, headers=headers)
-
-
-def post(
-    url: str,
-    data: Optional[bytes] = None,
-    headers: Optional[Dict[str, str]] = None,
-) -> HttpResponse:
-    return _request(url, method="POST", headers=headers, data=data)
-
-
-def put(
-    url: str,
-    data: Optional[bytes] = None,
-    headers: Optional[Dict[str, str]] = None,
-) -> HttpResponse:
-    return _request(url, method="PUT", headers=headers, data=data)
diff --git a/src/byteb4rb1e/utils/saas/bitbucket.py b/src/byteb4rb1e/utils/saas/bitbucket.py
deleted file mode 100644
index d9b5bad..0000000
--- a/src/byteb4rb1e/utils/saas/bitbucket.py
+++ /dev/null
@@ -1,78 +0,0 @@
-#!/usr/bin/env python3
-"""Bitbucket Cloud REST API v2.0 wrapper.
-
-Thin layer over http.py for Bitbucket-specific operations:
-
-- Bearer token authentication
-- Repository existence checks
-- Repository creation within a workspace/project
-"""
-
-import json
-from typing import Any, Dict, Optional
-
-from byteb4rb1e.utils.http import client as http_client
-
-
-BITBUCKET_API = "https://api.bitbucket.org/2.0"
-
-
-def http_headers(token: str) -> Dict[str, str]:
-    """Construct Bitbucket API headers with Bearer token auth."""
-    return {
-        "Authorization": f"Bearer {token}",
-        "Accept": "application/json",
-        "Content-Type": "application/json",
-    }
-
-
-def repository_exists(
-    workspace: str,
-    repo_slug: str,
-    token: str,
-) -> bool:
-    """Check whether a repository exists in the workspace."""
-    url = f"{BITBUCKET_API}/repositories/{workspace}/{repo_slug}"
-    resp = http_client.get(url, headers=http_headers(token))
-    return resp.status_code == 200
-
-
-def create_repository(
-    workspace: str,
-    repo_slug: str,
-    token: str,
-    project: Optional[str] = None,
-    description: str = "",
-    is_private: bool = True,
-) -> http_client.HttpResponse:
-    """Create a new repository in the workspace.
-
-    When *project* is given the repository is assigned to that
-    Bitbucket project (by key).  This is required for workspaces
-    that scope access keys at the project level.
-
-    Returns the API response.  Caller should check status_code == 200
-    for success.
-    """
-    url = f"{BITBUCKET_API}/repositories/{workspace}/{repo_slug}"
-    body: Dict[str, Any] = {
-        "scm": "git",
-        "is_private": is_private,
-        "description": description,
-        "fork_policy": "no_forks",
-    }
-    if project:
-        body["project"] = {"key": project}
-    return http_client.put(
-        url,
-        data=json.dumps(body).encode("utf-8"),
-        headers=http_headers(token),
-    )
-
-
-def clone_url(
-    workspace: str,
-    repo_slug: str,
-) -> str:
-    """Return the SSH clone URL for a Bitbucket repository."""
-    return f"git@bitbucket.org:{workspace}/{repo_slug}.git"
diff --git a/src/byteb4rb1e/utils/saas/github.py b/src/byteb4rb1e/utils/saas/github.py
deleted file mode 100644
index d174827..0000000
--- a/src/byteb4rb1e/utils/saas/github.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/env python3
-import hashlib
-from pathlib import Path
-from typing import Any, Dict, List, Optional
-
-from byteb4rb1e.utils.http import client as http_client
-
-
-GITHUB_API = "https://api.github.com"
-
-
-def http_headers(token: Optional[str]) -> Dict[str, str]:
-    headers = {
-        "Accept": "application/vnd.github+json",
-        "User-Agent": "sphinx-h5p-worker1"
-    }
-    if token:
-        # Use standard PAT header; token not logged anywhere.
-        headers["Authorization"] = f"Bearer {token}"
-    return headers
-
-
-def blob_sha(path: Path) -> str:
-    """Calculate Git blob SHA-1 for a file, matching GitHub API 'sha'."""
-    data = path.read_bytes()
-    header = f"blob {len(data)}\0".encode("utf-8")
-    store = header + data
-    return hashlib.sha1(store).hexdigest()
-
-
-def list_org_repos(org: str, token: Optional[str]) -> List[Dict[str, Any]]:
-    repos: List[Dict[str, Any]] = []
-    page = 1
-    per_page = 100
-    while True:
-        url = f"{GITHUB_API}/orgs/{org}/repos"
-        resp = http_client.get(
-            url,
-            params={"page": page, "per_page": per_page, "type": "public"},
-            headers=http_headers(token),
-        )
-        if resp.status_code != 200:
-            raise RuntimeError(f"Failed to list repos for org {org}: {resp.status_code} {resp.text}")
-        batch = resp.json()
-        if not batch:
-            break
-        repos.extend(batch)
-        page += 1
-    return repos
-
-
-def fetch_file(
-    org: str,
-    repo: str,
-    path: str,
-    token: str
-) -> http_client.HttpResponse:
-    """
-    """
-    url = f"{GITHUB_API}/repos/{org}/{repo}/{path}"
-
-    return http_client.get(
-        url,
-        headers=http_headers(token),
-    )
diff --git a/src/byteb4rb1e/utils/string.py b/src/byteb4rb1e/utils/string.py
deleted file mode 100644
index 800a5bc..0000000
--- a/src/byteb4rb1e/utils/string.py
+++ /dev/null
@@ -1,91 +0,0 @@
-from typing import Optional
-
-
-class RollingHash:
-    """implementation of Rabin-Karp rolling hash
-    """
-    #: default base
-    base: int = 31
-    #: default modulus
-    mod: int = 10**9 + 7
-    #: current computed hash
-    _hash: int
-    #: prime number base (e.g., 31)
-    _base: int
-    #: large prime modulus (to prevent overflow)
-    _mod: int
-    # Precomputation of ``base^(length-1) % mod`` for removing the old byte when
-    # rolling over
-    _hbase_factor: int
-
-    def __init__(
-        self,
-        data: bytes,
-        base: Optional[int] = None,
-        mod: Optional[int] = None
-    ):
-        """Initialize the rolling hash with a given base and modulus.
-
-        base: Prime number base (e.g., 31)
-        mod: Large prime modulus to prevent overflow
-        length: Length of the pattern to match
-        """
-        self._base = base if base else RollingHash.base
-
-        self._mod = mod if mod else RollingHash.mod
-
-        self._hash = RollingHash.compute_initial_hash(
-            data,
-            self._base,
-            self._mod
-        )
-
-        self._hbase_factor = pow(self._base, len(data) - 1, self._mod)
-
-    @staticmethod
-    def compute_initial_hash(
-        data: bytes,
-        base: int,
-        mod: int,
-    ) -> int:
-        """Compute the hash for the initial window (first `length` bytes).
-
-        rather use this standalone for computing the hash of the search pattern,
-        to avoid the overhead of instantiating an object.
-
-        :param data: data to build hash for
-        :param base: 
-        :param: mod:
-
-        :returns: hash of data
-        """
-        hash_ = 0
-        for i in range(len(data)):
-            # computing the modulus at each iteration, as to avoid the summed
-            # integer to be chunky, as in HUUUUGEE...
-            hash_ = (hash_ * base + data[i]) % mod
-        return hash_
-
-    def roll(self, old_byte: int, new_byte: int) -> int:
-        """Efficiently update hash by removing ``old_byte`` and adding
-        ``new_byte``
-
-        The old_byte removal uses a pre-computed value of the highest base used
-        in the polynomial calculation. This speeds things up a bit.
-
-        I was thinking about a way on how to store the old_byte efficiently
-        within the class object, but that would require storing the entire data,
-        basically doubling the memory consumption as the data must definetly
-        also live outside of the class object. A memoryview could solve this
-        problem, but at the cost of making the implementation more complex, so
-        this will have to do.
-
-        :param old_byte: The ordinal of the first byte in buffer to roll over
-        :param new_byte: The ordinal of the byte newly appended to the buffer
-        """
-        # Remove old
-        self._hash = (self._hash - old_byte * self._hbase_factor) % self.mod
-        # Add new
-        self._hash = (self._hash * self.base + new_byte) % self.mod
-
-        return self._hash
diff --git a/src/byteb4rb1e/utils/urllib/request.py b/src/byteb4rb1e/utils/urllib/request.py
deleted file mode 100644
index 2408d94..0000000
--- a/src/byteb4rb1e/utils/urllib/request.py
+++ /dev/null
@@ -1,41 +0,0 @@
-import email
-import importlib.resources
-import mimetypes
-from urllib.request import URLError
-import urllib.request
-
-
-class PkgHandler(urllib.request.BaseHandler):
-    """
-    """
-    def pkg_open(self, req) -> urllib.request.addinfourl:
-        pkg_files = importlib.resources.files(req.host)
-
-        try:
-            fh = next(
-                pkg_files.glob(req.selector.lstrip('//'))
-            ).open('rb')
-        except Exception as e:
-            raise URLError(f'{e.__class__.__name__}: {e}') from e
-
-        fh.seek(0, 2);
-        size = fh.tell();
-        fh.seek(0);
-
-        mtype, compression = mimetypes.guess_type(req.selector)
-
-        if compression and mtype:
-            mtype = f"{mtype}+{compression}"
-
-        headers = email.message_from_string(
-            'Content-Type: %s\nContent-Length: %d\n' %
-            (mtype or 'text/plain', size)
-        )
-
-        if not mtype or mtype.startswith('text/'):
-            fh.close()
-            fh = next(
-                pkg_files.glob(req.selector.lstrip('//'))
-            ).open('r')
-
-        return urllib.request.addinfourl(fh, headers, None)
diff --git a/src/byteb4rb1e/utils/vcs/git.py b/src/byteb4rb1e/utils/vcs/git.py
deleted file mode 100644
index cd4cd87..0000000
--- a/src/byteb4rb1e/utils/vcs/git.py
+++ /dev/null
@@ -1,345 +0,0 @@
-#!/usr/bin/env python3
-"""Git subprocess wrapper for repository operations.
-
-Provides primitives for mirror cloning, syncing, remote management,
-file extraction from bare repos, and submodule management.
-No pygit2 or gitpython, uses subprocess only.
-"""
-import logging
-import subprocess
-from pathlib import Path
-from typing import List, Optional
-
-logger = logging.getLogger(__name__)
-
-
-class GitError(Exception):
-    """A git subprocess returned a non-zero exit code."""
-
-    def __init__(self, args: List[str], returncode: int, stderr: str):
-        self.args_list = args
-        self.returncode = returncode
-        self.stderr = stderr
-        super().__init__(
-            f"git exited {returncode}: {' '.join(args)}\n{stderr}"
-        )
-
-
-def parse_base_url(base_url: str) -> str:
-    """Extract workspace from an SCP-style Bitbucket base URL.
-
-    The host part must be exactly ``bitbucket.org`` — bootstrapping
-    requires the Bitbucket API, so other hosts are rejected.
-
-    >>> _parse_base_url("git@bitbucket.org:byteb4rb1e")
-    'byteb4rb1e'
-    """
-    # SCP-style: git@bitbucket.org:workspace
-    if ":" not in base_url or "//" in base_url:
-        raise ValueError(
-            f"Expected SCP-style URL (git@bitbucket.org:workspace), "
-            f"got: {base_url}"
-        )
-    host_part, workspace = base_url.split(":", 1)
-    # host_part is e.g. "git@bitbucket.org"
-    host = host_part.split("@", 1)[-1]
-    if host != "bitbucket.org":
-        raise ValueError(
-            f"Mirror base URL must target bitbucket.org, "
-            f"got host: {host}"
-        )
-    return Path(workspace).parent
-
-
-def parse_repo_name(base_url: str) -> str:
-    """Extract workspace from an SCP-style Bitbucket base URL.
-
-    The host part must be exactly ``bitbucket.org`` — bootstrapping
-    requires the Bitbucket API, so other hosts are rejected.
-
-    >>> _parse_base_url("git@bitbucket.org:byteb4rb1e")
-    'byteb4rb1e'
-    """
-    # SCP-style: git@bitbucket.org:workspace
-    if ":" not in base_url or "//" in base_url:
-        raise ValueError(
-            f"Expected SCP-style URL (git@bitbucket.org:workspace), "
-            f"got: {base_url}"
-        )
-    host_part, workspace = base_url.split(":", 1)
-    # host_part is e.g. "git@bitbucket.org"
-    host = host_part.split("@", 1)[-1]
-    if host != "bitbucket.org":
-        raise ValueError(
-            f"Mirror base URL must target bitbucket.org, "
-            f"got host: {host}"
-        )
-    return Path(workspace).name.split('.')[0]
-
-
-
-def _run(
-    args: List[str],
-    cwd: Optional[Path] = None,
-    capture_stdout: bool = False,
-) -> subprocess.CompletedProcess:  # type: ignore[type-arg]
-    """Run a git command, raising GitError on failure."""
-    cmd = ["git"] + args
-    logger.debug("$ %s", " ".join(cmd))
-    result = subprocess.run(
-        cmd,
-        cwd=cwd,
-        capture_output=True,
-        text=True,
-    )
-    if result.returncode != 0:
-        raise GitError(cmd, result.returncode, result.stderr.strip())
-    return result
-
-
-def mirror_clone(source_url: str, dest: Path) -> None:
-    """Clone a repository as a bare mirror.
-
-    Equivalent to ``git clone --mirror <source_url> <dest>``.
-    The destination directory must not already exist.
-    """
-    _run(["clone", "--mirror", source_url, str(dest)])
-    logger.info("Cloned mirror %s → %s", source_url, dest)
-
-
-def add_remote(repo: Path, name: str, url: str) -> None:
-    """Add a named remote to a bare repository."""
-    _run(["remote", "add", name, url], cwd=repo)
-    logger.debug("Added remote %s → %s in %s", name, url, repo)
-
-
-def has_remote(repo: Path, name: str) -> bool:
-    """Check whether a named remote exists."""
-    result = _run(["remote"], cwd=repo)
-    return name in result.stdout.splitlines()
-
-
-def mirror_update(repo: Path) -> None:
-    """Fetch all remotes in a bare mirror repository.
-
-    Equivalent to ``git remote update`` inside the bare repo.
-    """
-    _run(["remote", "update"], cwd=repo)
-    logger.debug("Updated remotes in %s", repo)
-
-
-def fetch(repo: Path, remote: str = "origin") -> None:
-    """Fetch from a single remote."""
-    _run(["fetch", remote], cwd=repo)
-    logger.debug("fetched %s in %s", remote, repo)
-
-
-def show_ref(repo: Path) -> str:
-    """Return the raw output of ``git show-ref`` (all refs + SHAs).
-
-    Returns an empty string if the repo has no refs.
-    """
-    try:
-        result = _run(["show-ref"], cwd=repo)
-        return result.stdout
-    except GitError:
-        return ""
-
-
-def ls_remote(repo: Path, remote: str) -> str:
-    """Return the raw output of ``git ls-remote <remote>``.
-
-    Returns an empty string if the remote has no refs or on error.
-    """
-    try:
-        result = _run(["ls-remote", remote], cwd=repo)
-        return result.stdout
-    except GitError:
-        return ""
-
-
-def mirror_push(repo: Path, remote: str) -> None:
-    """Push the full mirror to a remote.
-
-    Equivalent to ``git push --mirror <remote>``.
-    """
-    _run(["push", "--mirror", remote], cwd=repo)
-    logger.info("Pushed mirror to %s from %s", remote, repo)
-
-
-def read_file(
-    repo: Path,
-    filepath: str,
-    ref: str = "HEAD",
-) -> Optional[str]:
-    """Extract a file's contents from a bare repo without checkout.
-
-    Returns the file content as a string, or None if the file does
-    not exist at the given ref.
-    """
-    try:
-        result = _run(
-            ["show", f"{ref}:{filepath}"],
-            cwd=repo,
-            capture_stdout=True,
-        )
-        return result.stdout
-    except GitError:
-        return None
-
-
-# -------------------------------------------------------------------
-# Ref / tag primitives
-# -------------------------------------------------------------------
-
-def list_tags(repo: Path) -> List[str]:
-    """List all tags in a repository."""
-    result = _run(["tag", "-l"], cwd=repo)
-    return [t for t in result.stdout.splitlines() if t]
-
-
-def resolve_ref(repo: Path, ref: str) -> str:
-    """Resolve a ref to a full SHA.
-
-    Raises GitError if the ref cannot be resolved.
-    """
-    result = _run(
-        ["rev-parse", ref], cwd=repo, capture_stdout=True,
-    )
-    return result.stdout.strip()
-
-
-def head_ref(repo: Path) -> str:
-    """Return the full SHA of HEAD."""
-    return resolve_ref(repo, "HEAD")
-
-
-# -------------------------------------------------------------------
-# Pull-through bare clone cache
-# -------------------------------------------------------------------
-
-def bare_path_for_url(url: str, cache_dir: Path) -> Path:
-    """Derive a cache path from a clone URL.
-
-    Strips scheme/host, keeps the path component, appends ``.git``.
-
-    Examples::
-
-        https://github.com/h5p/h5p-multi-choice
-            → cache_dir / h5p / h5p-multi-choice.git
-        git@github.com:h5p/h5p-multi-choice.git
-            → cache_dir / h5p / h5p-multi-choice.git
-    """
-    # Handle SCP-style URLs (git@host:path)
-    if ":" in url and "//" not in url:
-        path_part = url.split(":", 1)[1]
-    else:
-        # Strip scheme + host
-        from urllib.parse import urlparse
-        parsed = urlparse(url)
-        path_part = parsed.path.lstrip("/")
-
-    # Strip trailing .git if present, then re-add it
-    if path_part.endswith(".git"):
-        path_part = path_part[:-4]
-
-    return cache_dir / (path_part + ".git")
-
-
-def ensure_bare_clone(url: str, cache_dir: Path) -> Path:
-    """Ensure a bare mirror clone exists in *cache_dir*.
-
-    If the bare repo already exists, fetches updates via
-    ``mirror_update``.  Otherwise, creates a new mirror clone.
-    Returns the path to the bare repo.
-    """
-    bare_path = bare_path_for_url(url, cache_dir)
-    if bare_path.exists():
-        mirror_update(bare_path)
-        logger.debug("Updated existing cache %s", bare_path)
-    else:
-        bare_path.parent.mkdir(parents=True, exist_ok=True)
-        mirror_clone(url, bare_path)
-        logger.info("Cached new bare clone %s", bare_path)
-    return bare_path
-
-
-# -------------------------------------------------------------------
-# Submodule operations
-# -------------------------------------------------------------------
-
-def has_submodule(repo: Path, path: str) -> bool:
-    """Check whether a submodule is registered at *path*.
-
-    Reads ``.gitmodules`` to determine whether the submodule exists.
-    *path* is resolved relative to *repo*, then compared against
-    the repository root so the check works when *repo* is a
-    subdirectory of the actual git working tree.
-    Returns False if ``.gitmodules`` does not exist.
-    """
-    try:
-        toplevel = Path(
-            _run(
-                ["rev-parse", "--show-toplevel"], cwd=repo,
-            ).stdout.strip()
-        )
-    except GitError:
-        return False
-    gitmodules = toplevel / ".gitmodules"
-    if not gitmodules.is_file():
-        return False
-    # Resolve the full path relative to the repo root
-    full_path = (repo / path).resolve()
-    try:
-        rel_path = str(full_path.relative_to(toplevel.resolve()))
-    except ValueError:
-        return False
-    try:
-        result = _run(
-            ["config", "--file", str(gitmodules),
-             "--get-regexp", r"submodule\..*\.path"],
-            cwd=toplevel,
-        )
-    except GitError:
-        return False
-    for line in result.stdout.splitlines():
-        parts = line.split(None, 1)
-        if len(parts) == 2 and parts[1] == rel_path:
-            return True
-    return False
-
-
-def submodule_add(repo: Path, url: str, path: str) -> None:
-    """Add a git submodule at *path* pointing to *url*.
-
-    Equivalent to ``git submodule add <url> <path>`` inside *repo*.
-    """
-    _run(["submodule", "add", url, path], cwd=repo)
-    logger.info("Added submodule %s → %s", url, path)
-
-
-def submodule_update(repo: Path, path: str) -> None:
-    """Fetch and update a submodule to the latest remote HEAD.
-
-    Enters the submodule directory, fetches origin, and checks out
-    the latest commit on the remote default branch.
-    """
-    sub_path = repo / path
-    _run(["fetch", "origin"], cwd=sub_path)
-    # Determine default branch from remote HEAD
-    result = _run(
-        ["symbolic-ref", "refs/remotes/origin/HEAD",
-         "--short"],
-        cwd=sub_path,
-    )
-    default_branch = result.stdout.strip()
-    _run(["checkout", default_branch], cwd=sub_path)
-    logger.info("Updated submodule %s to %s", path, default_branch)
-
-
-def submodule_checkout(repo: Path, path: str, ref: str) -> None:
-    """Fetch and checkout a specific ref in a submodule."""
-    sub_path = repo / path
-    _run(["fetch", "origin"], cwd=sub_path)
-    _run(["checkout", ref], cwd=sub_path)
-    logger.info("Checked out submodule %s at %s", path, ref)
diff --git a/src/byteb4rb1e/utils/collections.py b/src/byteb4rb1e_utils/collections.py
similarity index 100%
rename from src/byteb4rb1e/utils/collections.py
rename to src/byteb4rb1e_utils/collections.py
diff --git a/src/byteb4rb1e/testing/__init__.py b/src/byteb4rb1e_utils/http/__init__.py
similarity index 100%
rename from src/byteb4rb1e/testing/__init__.py
rename to src/byteb4rb1e_utils/http/__init__.py
diff --git a/src/byteb4rb1e/utils/http/server/__init__.py b/src/byteb4rb1e_utils/http/server/__init__.py
similarity index 99%
rename from src/byteb4rb1e/utils/http/server/__init__.py
rename to src/byteb4rb1e_utils/http/server/__init__.py
index 2486612..c1f6186 100644
--- a/src/byteb4rb1e/utils/http/server/__init__.py
+++ b/src/byteb4rb1e_utils/http/server/__init__.py
@@ -1,7 +1,7 @@
 from dataclasses import dataclass
 from http.server import SimpleHTTPRequestHandler
 
-from byteb4rb1e.utils.io import ChunksIO
+from byteb4rb1e_utils.io import ChunksIO
 
 
 @dataclass
diff --git a/src/byteb4rb1e/utils/http/server/__main__.py b/src/byteb4rb1e_utils/http/server/__main__.py
similarity index 96%
rename from src/byteb4rb1e/utils/http/server/__main__.py
rename to src/byteb4rb1e_utils/http/server/__main__.py
index b66bc52..7bca378 100644
--- a/src/byteb4rb1e/utils/http/server/__main__.py
+++ b/src/byteb4rb1e_utils/http/server/__main__.py
@@ -8,12 +8,12 @@ from http.server import HTTPServer
 from io import BytesIO, IOBase
 from typing import Optional, Tuple, List
 
-from byteb4rb1e.utils.http.server import (
+from byteb4rb1e_utils.http.server import (
     HandlerOptions,
     MultipartUploadHandler,
     ServerOptions,
 )
-from byteb4rb1e.utils.io import ChunksIO
+from byteb4rb1e_utils.io import ChunksIO
 
 
 __doc__ = """tsmuds - Tiara's Simple Multipart Upload Debugging Server
diff --git a/src/byteb4rb1e/utils/io/__init__.py b/src/byteb4rb1e_utils/io/__init__.py
similarity index 100%
rename from src/byteb4rb1e/utils/io/__init__.py
rename to src/byteb4rb1e_utils/io/__init__.py
diff --git a/src/byteb4rb1e_utils/string.py b/src/byteb4rb1e_utils/string.py
new file mode 100644
index 0000000..f59babf
--- /dev/null
+++ b/src/byteb4rb1e_utils/string.py
@@ -0,0 +1,68 @@
+from typing import List, Union
+
+from byteb4rb1e_utils.collections import CircularBuffer
+
+
+class KnuthMorrisPratt:
+    """Knuth-Morris-Pratt string searching algorithm implemented as a class
+
+    https://gwern.net/doc/cs/algorithm/1977-knuth.pdf
+    """
+    def __init__(self, pattern: bytes):
+        """
+        """
+        self._table = KnuthMorrisPratt.build_table(pattern)
+        self._pattern = pattern
+
+    @staticmethod
+    def build_table(pattern: bytes) -> List[int]:
+        """builds the failure table
+        """
+        table = [0] * len(pattern)
+        j = 0
+        for i in range(1, len(pattern)):
+            while j > 0 and pattern[i] != pattern[j]:
+                j = table[j - 1]
+            if pattern[i] == pattern[j]:
+                j += 1
+                table[i] = j
+        return table
+
+    def match_linear(
+        self,
+        data: Union[bytes, bytearray, memoryview],
+        start: int = 0
+    ) -> bool:
+        """match against a linear fixed-size buffer
+
+        :returns: index of the match or -1 if not found
+        """
+        m, j = len(self.pattern), 0
+
+        for i in range(start, len(data)):
+            while j > 0 and data[i] != self.pattern[j]:
+                j = self._table[j - 1]
+
+            if data[i] == self.pattern[j]:
+                j += 1
+
+                if j == m:
+                    return i - m + 1
+        return -1
+
+    def match_circular(self, data: CircularBuffer):
+        """Finds the boundary using KMP, handling circular wraparound."""
+        i, j = data.start, 0  # Start checking from the oldest data in the buffer
+
+        while j < len(boundary) and (data.filled or i != data.end):
+            if data.buf[i] == self.pattern[j]:
+                i = (i + 1) % data.size
+                j += 1
+                if j == len(self.pattern):  # Full match found
+                    return True
+            elif j > 0:
+                j = table[j - 1]
+            else:
+                i = (i + 1) % data.size
+
+        return False
diff --git a/tests/integration/byteb4rb1e/testing/pytest/test_.py b/tests/integration/byteb4rb1e/testing/pytest/test_.py
deleted file mode 100644
index 8141015..0000000
--- a/tests/integration/byteb4rb1e/testing/pytest/test_.py
+++ /dev/null
@@ -1,33 +0,0 @@
-import os
-from pathlib import Path
-
-import pytest
-
-pytestmark = pytest.mark.pytest
-
-from byteb4rb1e.testing.pytest import get_current_test
-from byteb4rb1e.testing.pytest.decorators import run_in_subprocess_once
-
-
-class Test_get_current_test:
-    """
-    """
-
-    def test_default(self):
-        """
-        """
-        os.environ['PYTEST_CURRENT_TEST'] = 'foo::bar (something)'
-
-        result = get_current_test()
-
-        assert isinstance(result[0], Path)
-        assert str(result[0].name) == 'foo'
-
-        assert result[1] == 'bar'
-
-    def test_invalid(self):
-        """
-        """
-        del os.environ['PYTEST_CURRENT_TEST']
-        with pytest.raises(RuntimeError):
-            get_current_test()
diff --git a/tests/integration/byteb4rb1e/testing/pytest/test_decorators.py b/tests/integration/byteb4rb1e/testing/pytest/test_decorators.py
deleted file mode 100644
index c906bef..0000000
--- a/tests/integration/byteb4rb1e/testing/pytest/test_decorators.py
+++ /dev/null
@@ -1,21 +0,0 @@
-from pathlib import Path
-
-import pytest
-
-pytestmark = pytest.mark.pytest
-
-from byteb4rb1e.testing.pytest.decorators import run_in_subprocess_once
-
-
-@run_in_subprocess_once()
-def test_run_in_subprocess_once(tmp_path):
-    marker = tmp_path / "executed_in_subprocess.txt"
-
-    if marker.exists():
-        raise AssertionError("Marker file exists before test logic ran (shouldn't happen in parent process)")
-
-    # Create proof of execution
-    marker.write_text("Subprocess was here.")
-
-    # Now assert it
-    assert marker.exists()
diff --git a/tests/integration/byteb4rb1e/testing/pytest/test_fixtures.py b/tests/integration/byteb4rb1e/testing/pytest/test_fixtures.py
deleted file mode 100644
index a08851d..0000000
--- a/tests/integration/byteb4rb1e/testing/pytest/test_fixtures.py
+++ /dev/null
@@ -1,38 +0,0 @@
-from pathlib import Path
-import importlib.resources
-
-import pytest
-
-pytestmark = pytest.mark.pytest
-
-from byteb4rb1e.testing.pytest.decorators import run_in_subprocess_once
-from byteb4rb1e.testing.pytest.fixtures import (
-    current_test,
-    mock_system_site_package_dir
-)
-
-
-def test_current_test(current_test):
-    """
-    """
-    suite_path, case_name = current_test
-
-    assert str(Path(__file__)) == str(suite_path)
-    assert case_name == "test_current_test"
-
-
-@run_in_subprocess_once()
-def test_mock_system_site_package_dir(mock_system_site_package_dir):
-    """
-    """
-    dummy_data = 'Hello'
-
-    pkgdir = mock_system_site_package_dir('foobarpkg')
-
-    (pkgdir / 'data.txt').write_text(dummy_data)
-
-    assert (pkgdir / '__init__.py').exists()
-
-    result = next(importlib.resources.files('foobarpkg').glob('data.txt')).read_text()
-
-    assert result == dummy_data
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
deleted file mode 100644
index 7c7aa51..0000000
--- a/tests/integration/conftest.py
+++ /dev/null
@@ -1,5 +0,0 @@
-def pytest_configure(config):
-    # register an additional marker
-    config.addinivalue_line(
-        "markers", "pytest: test pytest integration"
-    )
diff --git a/src/byteb4rb1e/utils/__init__.py b/tests/unit/__init__.py
similarity index 100%
rename from src/byteb4rb1e/utils/__init__.py
rename to tests/unit/__init__.py
diff --git a/tests/unit/byteb4rb1e/utils/__init__.py b/tests/unit/byteb4rb1e/utils/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/unit/byteb4rb1e/utils/string/test_rolling_hash.py b/tests/unit/byteb4rb1e/utils/string/test_rolling_hash.py
deleted file mode 100644
index 590f527..0000000
--- a/tests/unit/byteb4rb1e/utils/string/test_rolling_hash.py
+++ /dev/null
@@ -1,61 +0,0 @@
-import unittest
-
-from byteb4rb1e.utils.string import RollingHash
-
-class test_compute_initial_hash(unittest.TestCase):
-    """RollingHash.compute_initial_hash()
-
-    i calculated the hashes by hand, as a basis for this test case. Hopefully
-    there's no logical flaw...
-    """
-
-    def test_default(self):
-        """computation of hash"""
-        result = RollingHash.compute_initial_hash(
-            b'abcdefg',
-            base = 31,
-            mod = 10**9 + 7
-        )
-
-        self.assertEqual(result, 988021244)
-
-class test___init__(unittest.TestCase):
-    """RollingHash.__init__()
-
-    Make sure the class instance is initialized correctly
-
-    I calculated the hashes by hand, as a basis for this test case. Hopefully
-    there's no logical flaw...
-    """
-
-    def test_default(self):
-        """computation of initial hash and highest base factor"""
-        instance = RollingHash(b'abcdefg')
-
-        self.assertEqual(instance._hash, 988021244)
-        self.assertEqual(instance._hbase_factor, 887503681)
-
-    def test_defaults_override(self):
-        """override of defaults"""
-        instance = RollingHash(
-            b'abcdefg',
-            base = 9,
-            mod = 4
-        )
-
-        self.assertEqual(instance._mod, 4)
-        self.assertEqual(instance._base, 9)
-
-
-class test_roll(unittest.TestCase):
-    """RollingHash.roll()"""
-    def test_rolling_hash(self):
-        base=31
-        mod=10**9 + 7
-
-        rh = RollingHash(b"foobar", base=base, mod=mod)
-        rolled_hash = rh.roll(ord("f"), ord("n"))
-
-        control_hash = RollingHash.compute_initial_hash(b"oobarn", base, mod)
-
-        self.assertEqual(rolled_hash, control_hash)
diff --git a/tests/unit/byteb4rb1e/utils/urllib/test_request.py b/tests/unit/byteb4rb1e/utils/urllib/test_request.py
deleted file mode 100644
index 468751d..0000000
--- a/tests/unit/byteb4rb1e/utils/urllib/test_request.py
+++ /dev/null
@@ -1,93 +0,0 @@
-import os.path
-import sys
-import urllib.request
-
-import pytest
-
-from byteb4rb1e.testing.pytest.decorators import run_in_subprocess_once
-from byteb4rb1e.testing.pytest.fixtures import mock_system_site_package_dir
-from byteb4rb1e.utils.urllib.request import PkgHandler
-
-
-class TestPkgHandler:
-    """
-    """
-    @run_in_subprocess_once()
-    def test_text(self, mock_system_site_package_dir):
-        """
-        """
-        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
-            PkgHandler()
-        )
-
-        dummy_data = 'Hello'
-
-        pkg_dir = mock_system_site_package_dir('foobarpkg')
-        (pkg_dir / 'data.txt').write_text(dummy_data)
-
-        result = _opener.open('pkg://foobarpkg/data.txt').readline()
-
-        assert isinstance(result, str)
-        assert result == dummy_data
-
-
-    @run_in_subprocess_once()
-    def test_bytes(self, mock_system_site_package_dir):
-        """
-        """
-        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
-            PkgHandler()
-        )
-
-        dummy_data = b'foobar123'
-
-        pkg_dir = mock_system_site_package_dir('foobarpkg')
-        (pkg_dir / 'data.bin').write_bytes(dummy_data)
-
-        result = _opener.open('pkg://foobarpkg/data.bin').readline()
-
-        assert isinstance(result, bytes)
-        assert result == dummy_data
-
-
-    @run_in_subprocess_once()
-    def test_subdir(self, mock_system_site_package_dir):
-        """
-        """
-        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
-            PkgHandler()
-        )
-
-        dummy_data = 'foobar123'
-
-        pkg_dir = mock_system_site_package_dir('foobarpkg')
-
-        dummy_file = (pkg_dir / 'foo' / 'bar' / 'data.txt')
-
-        dummy_file.parent.mkdir(parents=True)
-        dummy_file.write_text(dummy_data)
-
-        result = _opener.open('pkg://foobarpkg/foo/bar/data.txt').readline()
-
-        assert result == dummy_data
-
-
-    @run_in_subprocess_once()
-    def test_nested_module(self, mock_system_site_package_dir):
-        """
-        """
-        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
-            PkgHandler()
-        )
-
-        dummy_data = 'foobar123'
-
-        pkg_dir = mock_system_site_package_dir('foo.bar.pkg')
-        dummy_file = (pkg_dir / 'dummy' / 'data.txt')
-
-        dummy_file.parent.mkdir(parents=True)
-        dummy_file.write_text(dummy_data)
-
-        result = _opener.open('pkg://foo.bar.pkg/dummy/data.txt').readline()
-
-        assert result == dummy_data
diff --git a/src/byteb4rb1e/utils/http/__init__.py b/tests/unit/byteb4rb1e_utils/__init__.py
similarity index 100%
rename from src/byteb4rb1e/utils/http/__init__.py
rename to tests/unit/byteb4rb1e_utils/__init__.py
diff --git a/src/byteb4rb1e/utils/urllib/__init__.py b/tests/unit/byteb4rb1e_utils/collections/__init__.py
similarity index 100%
rename from src/byteb4rb1e/utils/urllib/__init__.py
rename to tests/unit/byteb4rb1e_utils/collections/__init__.py
diff --git a/tests/unit/byteb4rb1e/utils/collections/test_circular_buffer.py b/tests/unit/byteb4rb1e_utils/collections/test_circular_buffer.py
similarity index 98%
rename from tests/unit/byteb4rb1e/utils/collections/test_circular_buffer.py
rename to tests/unit/byteb4rb1e_utils/collections/test_circular_buffer.py
index 1baf601..aeb0934 100644
--- a/tests/unit/byteb4rb1e/utils/collections/test_circular_buffer.py
+++ b/tests/unit/byteb4rb1e_utils/collections/test_circular_buffer.py
@@ -1,6 +1,6 @@
 import unittest
 
-from byteb4rb1e.utils.collections import CircularBuffer
+from byteb4rb1e_utils.collections import CircularBuffer
 
 class test_init(unittest.TestCase):
     """CircularBuffer.__init__()"""
diff --git a/src/byteb4rb1e/utils/vcs/__init__.py b/tests/unit/byteb4rb1e_utils/io/__init__.py
similarity index 100%
rename from src/byteb4rb1e/utils/vcs/__init__.py
rename to tests/unit/byteb4rb1e_utils/io/__init__.py
diff --git a/tests/unit/byteb4rb1e/utils/io/test_chunksio.py b/tests/unit/byteb4rb1e_utils/io/test_chunksio.py
similarity index 99%
rename from tests/unit/byteb4rb1e/utils/io/test_chunksio.py
rename to tests/unit/byteb4rb1e_utils/io/test_chunksio.py
index a27f20f..4218d69 100644
--- a/tests/unit/byteb4rb1e/utils/io/test_chunksio.py
+++ b/tests/unit/byteb4rb1e_utils/io/test_chunksio.py
@@ -1,7 +1,7 @@
 from io import BytesIO, IOBase
 import unittest
 
-from byteb4rb1e.utils.io import ChunksIO
+from byteb4rb1e_utils.io import ChunksIO
 
 
 class TestGetChunkSize(unittest.TestCase):
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index d4a94e1..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,54 +0,0 @@
-[tox]
-requires = 
-    tox>=4.19
-env_list =
-    unit-py3{9-13}
-    integration-py3{9-13}-pytest8
-    lint
-    format
-
-[testenv]
-deps = 
-    .
-
-[testenv:lint]
-description = run type check on code base
-labels = static
-deps = 
-    mypy
-commands =
-    mypy src tests --junit-xml test-reports/{env_name}.xml
-
-[testenv:audit]
-description = run type check on code base
-labels = audit
-deps = 
-    pip-audit
-commands =
-    pip-audit .
-
-[testenv:format]
-description = run type check on code base
-labels = static
-deps = 
-    autopep8
-commands =
-    autopep8 --diff --exit-code src tests
-
-[testenv:unit-py3{9-13}]
-description = run type check on code base
-labels = unit
-deps = 
-    {[testenv]deps}
-    pytest
-commands =
-    pytest tests/unit --junitxml=test-reports/{env_name}.xml
-
-[testenv:integration-py3{9-13}-pytest8]
-description = run pytest integration tests
-labels = integration
-deps =
-    {[testenv]deps}
-    pytest8: pytest>=8.0,<=9.0
-commands =
-    pytest tests/integration -m pytest --junitxml=test-reports/{env_name}.xml