Do not use -audit toolchains on Alpine in testing

poetry.lock

 [[package]]
-category = "main"
-description = "apipkg: namespace control and lazy-import mechanism"
 name = "apipkg"
+version = "1.5"
+description = "apipkg: namespace control and lazy-import mechanism"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.5"
 
 [[package]]
-category = "dev"
-description = "An abstract syntax tree for Python with inference support."
 name = "astroid"
+version = "2.4.2"
+description = "An abstract syntax tree for Python with inference support."
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "2.4.2"
 
 [package.dependencies]
 lazy-object-proxy = ">=1.4.0,<1.5.0"
 six = ">=1.12,<2.0"
+typed-ast = {version = ">=1.4.0,<1.5", markers = "implementation_name == \"cpython\" and python_version < \"3.8\""}
 wrapt = ">=1.11,<2.0"
 
-[package.dependencies.typed-ast]
-python = "<3.8"
-version = ">=1.4.0,<1.5"
-
 [[package]]
-category = "main"
-description = "Atomic file writes."
-marker = "sys_platform == \"win32\""
 name = "atomicwrites"
+version = "1.4.0"
+description = "Atomic file writes."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.4.0"
 
 [[package]]
-category = "main"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "20.3.0"
+description = "Classes Without Boilerplate"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.3.0"
 
 [package.extras]
-dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
 docs = ["furo", "sphinx", "zope.interface"]
-tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests_no_zope = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
-category = "main"
-description = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.4"
 
 [[package]]
+name = "distro"
+version = "1.5.0"
+description = "Distro - an OS platform information API"
 category = "main"
-description = "execnet: rapid multi-Python deployment"
+optional = false
+python-versions = "*"
+
+[[package]]
 name = "execnet"
+version = "1.7.1"
+description = "execnet: rapid multi-Python deployment"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.7.1"
 
 [package.dependencies]
 apipkg = ">=1.4"
 testing = ["pre-commit"]
 
 [[package]]
-category = "main"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
 name = "importlib-metadata"
+version = "3.1.1"
+description = "Read metadata from Python packages"
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "3.1.1"
 
 [package.dependencies]
 zipp = ">=0.5"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
+testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
 [[package]]
-category = "main"
-description = "iniconfig: brain-dead simple config-ini parsing"
 name = "iniconfig"
+version = "1.1.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.1.1"
 
 [[package]]
-category = "dev"
-description = "A Python utility / library to sort Python imports."
 name = "isort"
+version = "5.6.4"
+description = "A Python utility / library to sort Python imports."
+category = "dev"
 optional = false
 python-versions = ">=3.6,<4.0"
-version = "5.6.4"
 
 [package.extras]
-colors = ["colorama (>=0.4.3,<0.5.0)"]
 pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
 requirements_deprecated_finder = ["pipreqs", "pip-api"]
+colors = ["colorama (>=0.4.3,<0.5.0)"]
 
 [[package]]
-category = "main"
-description = "A Python implementation of the JSON5 data format."
 name = "json5"
+version = "0.9.5"
+description = "A Python implementation of the JSON5 data format."
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.9.5"
 
 [package.extras]
 dev = ["hypothesis"]
 
 [[package]]
-category = "dev"
-description = "A fast and thorough lazy object proxy."
 name = "lazy-object-proxy"
+version = "1.4.3"
+description = "A fast and thorough lazy object proxy."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.4.3"
 
 [[package]]
-category = "dev"
-description = "McCabe checker, plugin for flake8"
 name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.6.1"
 
 [[package]]
-category = "dev"
-description = "Optional static typing for Python"
 name = "mypy"
+version = "0.790"
+description = "Optional static typing for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "0.790"
 
 [package.dependencies]
 mypy-extensions = ">=0.4.3,<0.5.0"
 dmypy = ["psutil (>=4.0)"]
 
 [[package]]
-category = "dev"
-description = "Experimental type system extensions for programs checked with the mypy typechecker."
 name = "mypy-extensions"
+version = "0.4.3"
+description = "Experimental type system extensions for programs checked with the mypy typechecker."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.4.3"
 
 [[package]]
-category = "main"
-description = "Core utilities for Python packages"
 name = "packaging"
+version = "20.7"
+description = "Core utilities for Python packages"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.7"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
 
 [[package]]
-category = "main"
-description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
+version = "0.13.1"
+description = "plugin and hook calling mechanisms for python"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.13.1"
 
 [package.dependencies]
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
 [package.extras]
 dev = ["pre-commit", "tox"]
 
 [[package]]
-category = "main"
-description = "library with cross-python path, ini-parsing, io, code, log facilities"
 name = "py"
+version = "1.9.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.9.0"
 
 [[package]]
-category = "dev"
-description = "python code static checker"
 name = "pylint"
+version = "2.6.0"
+description = "python code static checker"
+category = "dev"
 optional = false
 python-versions = ">=3.5.*"
-version = "2.6.0"
 
 [package.dependencies]
 astroid = ">=2.4.0,<=2.5"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
 isort = ">=4.2.5,<6"
 mccabe = ">=0.6,<0.7"
 toml = ">=0.7.1"
 
 [[package]]
-category = "main"
-description = "Python parsing module"
 name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.7"
 
 [[package]]
-category = "main"
-description = "pytest: simple powerful testing with Python"
 name = "pytest"
+version = "6.1.2"
+description = "pytest: simple powerful testing with Python"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "6.1.2"
 
 [package.dependencies]
-atomicwrites = ">=1.0"
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
 attrs = ">=17.4.0"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
 packaging = "*"
 pluggy = ">=0.12,<1.0"
 py = ">=1.8.2"
 toml = "*"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
-
 [package.extras]
-checkqa_mypy = ["mypy (0.780)"]
+checkqa_mypy = ["mypy (==0.780)"]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
-category = "main"
-description = "Pytest support for asyncio."
 name = "pytest-asyncio"
+version = "0.14.0"
+description = "Pytest support for asyncio."
+category = "main"
 optional = false
 python-versions = ">= 3.5"
-version = "0.14.0"
 
 [package.dependencies]
 pytest = ">=5.4.0"
 testing = ["async-generator (>=1.3)", "coverage", "hypothesis (>=5.7.1)"]
 
 [[package]]
-category = "main"
-description = "run tests in isolated forked subprocesses"
 name = "pytest-forked"
+version = "1.3.0"
+description = "run tests in isolated forked subprocesses"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "1.3.0"
 
 [package.dependencies]
 py = "*"
 pytest = ">=3.10"
 
 [[package]]
-category = "main"
-description = "pytest xdist plugin for distributed testing and loop-on-failing modes"
 name = "pytest-xdist"
+version = "2.1.0"
+description = "pytest xdist plugin for distributed testing and loop-on-failing modes"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "2.1.0"
 
 [package.dependencies]
 execnet = ">=1.1"
 testing = ["filelock"]
 
 [[package]]
-category = "dev"
-description = "a python refactoring library..."
 name = "rope"
+version = "0.18.0"
+description = "a python refactoring library..."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.18.0"
 
 [package.extras]
 dev = ["pytest"]
 
 [[package]]
-category = "main"
-description = "Python helper for Semantic Versioning (http://semver.org/)"
 name = "semver"
+version = "2.13.0"
+description = "Python helper for Semantic Versioning (http://semver.org/)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.13.0"
 
 [[package]]
-category = "dev"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.15.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "1.15.0"
 
 [[package]]
-category = "main"
-description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
+version = "0.10.2"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "0.10.2"
 
 [[package]]
-category = "dev"
-description = "a fork of Python 2 and 3 ast modules with type comment support"
 name = "typed-ast"
+version = "1.4.1"
+description = "a fork of Python 2 and 3 ast modules with type comment support"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.4.1"
 
 [[package]]
-category = "main"
-description = "Backported and Experimental Type Hints for Python 3.5+"
 name = "typing-extensions"
+version = "3.7.4.3"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+category = "main"
 optional = false
 python-versions = "*"
-version = "3.7.4.3"
 
 [[package]]
-category = "dev"
-description = "Module for decorators, wrappers and monkey patching."
 name = "wrapt"
+version = "1.12.1"
+description = "Module for decorators, wrappers and monkey patching."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "1.12.1"
 
 [[package]]
-category = "dev"
-description = "A formatter for Python code."
 name = "yapf"
+version = "0.30.0"
+description = "A formatter for Python code."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.30.0"
 
 [[package]]
-category = "main"
-description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version < \"3.8\""
 name = "zipp"
+version = "3.4.0"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "3.4.0"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
+testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
 [metadata]
-content-hash = "bb7d048748c946ac4f6196a339a149d8060b048968853cb281d83207e324a61b"
+lock-version = "1.1"
 python-versions = "^3.6"
+content-hash = "5c3cefd7d2a4b573928b14dc6291fbb7ef8a8a29306f7982ad64db4cb615e6e5"
 
 [metadata.files]
 apipkg = [
     {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
     {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
 ]
+distro = [
+    {file = "distro-1.5.0-py2.py3-none-any.whl", hash = "sha256:df74eed763e18d10d0da624258524ae80486432cd17392d9c3d96f5e83cd2799"},
+    {file = "distro-1.5.0.tar.gz", hash = "sha256:0e58756ae38fbd8fc3020d54badb8eae17c5b9dcbed388b17bb55b8a5928df92"},
+]
 execnet = [
     {file = "execnet-1.7.1-py2.py3-none-any.whl", hash = "sha256:d4efd397930c46415f62f8a31388d6be4f27a91d7550eb79bc64a756e0056547"},
     {file = "execnet-1.7.1.tar.gz", hash = "sha256:cacb9df31c9680ec5f95553976c4da484d407e85e41c83cb812aa014f0eddc50"},

pyproject.toml

 pytest-asyncio = "^0.14.0"
 typing-extensions = "^3.7.4"
 json5 = "^0.9.5"
+distro = "^1.5.0"
 
 [tool.poetry.dev-dependencies]
 # Only needed for development

tools/dds_ci/toolchain.py

 from pathlib import Path
 from typing import Iterator
 
+import distro
 import json5
 
 from . import paths
     Get the default toolchain that should be used for dev and test based on the
     host platform.
     """
+    if distro.id() == 'alpine':
+        # Alpine Linux cannot use the full audit mode, as asan and ubsan do not
+        # work with musl
+        return paths.TOOLS_DIR / 'gcc-9-test.jsonc'
     if sys.platform == 'win32':
         return paths.TOOLS_DIR / 'msvc-audit.jsonc'
     if sys.platform in 'linux':

tools/gcc-9-test.jsonc

+{
+    "$schema": "../res/toolchain-schema.json",
+    "compiler_id": "gnu",
+    "c_compiler": "gcc-9",
+    "cxx_compiler": "g++-9",
+    "cxx_version": "c++17",
+    "warning_flags": [
+        "-Werror",
+    ],
+    "debug": true
+}