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Add support for building with Meson (#2530)

Browse Source 
The Meson[1] build system makes it easier incorporate third-party
libaries into a project if they also build using Meson.

Let's add a minimal Meson build that's compatible with the CMake build,
along with a GitHub workflow to check that it builds and that at least
the simplest SelfTest runs.

The handling of catch_user_config.hpp is inspired by BUILD.bazel and
doesn't attempt to support any configuratons options. Such features
could be added later.

Meson strongly discourages using wildcards to specify sources, so the
source and header lists are copied from CMakeLists.txt.

Add a new test workflow to test the Meson builds. I was unable to get
these tests to pass with Ubuntu 20.04, so they use Ubuntu 22.04.

I'm neither a CMake nor a Meson expert, but the results seem to work for
me.

[1] https://mesonbuild.com/

Co-authored-by: Mike Crowe <mcrowe@brightsign.biz>
This commit is contained in:
Mike Crowe 2022-10-01 22:28:30 +01:00 committed by GitHub
parent 4a7cefe601
commit 4db8b50aab
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43
.github/workflows/linux-meson-builds.yml vendored Normal file
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name: Linux builds (basic) using meson build system
on: [push, pull_request]
jobs:
build:
name: meson ${{matrix.cxx}}, C++${{matrix.std}}, ${{matrix.build_type}}
runs-on: ubuntu-22.04
strategy:
matrix:
cxx:
- g++-11
- clang++-11
build_type: [debug, release]
std: [14, 17]
include:
- cxx: clang++-11
other_pkgs: clang-11
steps:
- uses: actions/checkout@v2
- name: Prepare environment
run: sudo apt-get install -y meson ninja-build ${{matrix.other_pkgs}}
- name: Configure build
env:
CXX: ${{matrix.cxx}}
CXXFLAGS: -std=c++${{matrix.std}} ${{matrix.cxxflags}}
# Note: $GITHUB_WORKSPACE is distinct from ${{runner.workspace}}.
# This is important
run: |
meson -Dbuildtype=${{matrix.build_type}} ${{runner.workspace}}/meson-build
- name: Build tests + lib
working-directory: ${{runner.workspace}}/meson-build
run: ninja
- name: Run tests
working-directory: ${{runner.workspace}}/meson-build
# Hardcode 2 cores we know are there
run: |
meson test --verbose

1
.gitignore vendored
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@ -1,4 +1,5 @@
*.build *.build
!meson.build
*.pbxuser *.pbxuser
*.mode1v3 *.mode1v3
*.ncb *.ncb

17
meson.build Normal file
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# Copyright Catch2 Authors
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# https://www.boost.org/LICENSE_1_0.txt)
# SPDX-License-Identifier: BSL-1.0
project(
'catch2',
'cpp',
version : '3.1.0', # CML version placeholder, don't delete
license: 'BSL-1.0',
meson_version: '>=0.49.0'
)
subdir('src/catch2')
subdir('tests')

357
src/catch2/meson.build Normal file
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# Copyright Catch2 Authors
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# https://www.boost.org/LICENSE_1_0.txt)
# SPDX-License-Identifier: BSL-1.0
pkg = import('pkgconfig')
conf_data = configuration_data()
conf_data.set('CATCH_CONFIG_DEFAULT_REPORTER', 'console')
conf_data.set('CATCH_CONFIG_CONSOLE_WIDTH', '80')
configure_file(
input: 'catch_user_config.hpp.in',
output: 'catch_user_config.hpp',
format: 'cmake@',
install_dir: get_option('includedir') / 'catch2',
configuration: conf_data
)
benchmark_headers = [
'benchmark/catch_benchmark.hpp',
'benchmark/catch_benchmark_all.hpp',
'benchmark/catch_chronometer.hpp',
'benchmark/catch_clock.hpp',
'benchmark/catch_constructor.hpp',
'benchmark/catch_environment.hpp',
'benchmark/catch_estimate.hpp',
'benchmark/catch_execution_plan.hpp',
'benchmark/catch_optimizer.hpp',
'benchmark/catch_outlier_classification.hpp',
'benchmark/catch_sample_analysis.hpp',
'benchmark/detail/catch_analyse.hpp',
'benchmark/detail/catch_benchmark_function.hpp',
'benchmark/detail/catch_complete_invoke.hpp',
'benchmark/detail/catch_estimate_clock.hpp',
'benchmark/detail/catch_measure.hpp',
'benchmark/detail/catch_repeat.hpp',
'benchmark/detail/catch_run_for_at_least.hpp',
'benchmark/detail/catch_stats.hpp',
'benchmark/detail/catch_timing.hpp'
]
benchmark_sources = [
'benchmark/catch_chronometer.cpp',
'benchmark/detail/catch_benchmark_function.cpp',
'benchmark/detail/catch_run_for_at_least.cpp',
'benchmark/detail/catch_stats.cpp',
]
internal_headers = [
'catch_all.hpp',
'matchers/catch_matchers_all.hpp',
'generators/catch_generators_all.hpp',
'interfaces/catch_interfaces_all.hpp',
'matchers/internal/catch_matchers_impl.hpp',
'internal/catch_case_insensitive_comparisons.hpp',
'internal/catch_console_width.hpp',
'internal/catch_container_nonmembers.hpp',
'internal/catch_noncopyable.hpp',
'catch_approx.hpp',
'internal/catch_assertion_handler.hpp',
'catch_assertion_info.hpp',
'catch_assertion_result.hpp',
'internal/catch_test_macro_impl.hpp',
'internal/catch_test_failure_exception.hpp',
'internal/catch_case_sensitive.hpp',
'internal/catch_clara.hpp',
'internal/catch_commandline.hpp',
'internal/catch_source_line_info.hpp',
'internal/catch_compiler_capabilities.hpp',
'catch_config.hpp',
'internal/catch_config_android_logwrite.hpp',
'internal/catch_config_counter.hpp',
'internal/catch_config_uncaught_exceptions.hpp',
'internal/catch_config_wchar.hpp',
'internal/catch_console_colour.hpp',
'internal/catch_context.hpp',
'internal/catch_debug_console.hpp',
'internal/catch_debugger.hpp',
'internal/catch_decomposer.hpp',
'internal/catch_enforce.hpp',
'internal/catch_enum_values_registry.hpp',
'internal/catch_errno_guard.hpp',
'internal/catch_exception_translator_registry.hpp',
'internal/catch_fatal_condition_handler.hpp',
'internal/catch_floating_point_helpers.hpp',
'internal/catch_istream.hpp',
'internal/catch_unique_name.hpp',
'internal/catch_sharding.hpp',
'generators/catch_generator_exception.hpp',
'generators/catch_generators.hpp',
'generators/catch_generators_adapters.hpp',
'generators/catch_generators_random.hpp',
'generators/catch_generators_range.hpp',
'interfaces/catch_interfaces_capture.hpp',
'interfaces/catch_interfaces_config.hpp',
'interfaces/catch_interfaces_enum_values_registry.hpp',
'interfaces/catch_interfaces_exception.hpp',
'interfaces/catch_interfaces_generatortracker.hpp',
'interfaces/catch_interfaces_registry_hub.hpp',
'interfaces/catch_interfaces_reporter.hpp',
'interfaces/catch_interfaces_reporter_factory.hpp',
'interfaces/catch_interfaces_reporter_registry.hpp',
'interfaces/catch_interfaces_tag_alias_registry.hpp',
'interfaces/catch_interfaces_testcase.hpp',
'internal/catch_lazy_expr.hpp',
'internal/catch_leak_detector.hpp',
'internal/catch_list.hpp',
'matchers/catch_matchers.hpp',
'matchers/catch_matchers_container_properties.hpp',
'matchers/catch_matchers_contains.hpp',
'matchers/catch_matchers_exception.hpp',
'matchers/catch_matchers_floating_point.hpp',
'matchers/catch_matchers_predicate.hpp',
'matchers/catch_matchers_quantifiers.hpp',
'matchers/catch_matchers_string.hpp',
'matchers/catch_matchers_templated.hpp',
'matchers/catch_matchers_vector.hpp',
'catch_message.hpp',
'internal/catch_message_info.hpp',
'internal/catch_meta.hpp',
'internal/catch_move_and_forward.hpp',
'internal/catch_optional.hpp',
'internal/catch_output_redirect.hpp',
'internal/catch_platform.hpp',
'internal/catch_polyfills.hpp',
'internal/catch_preprocessor.hpp',
'internal/catch_preprocessor_remove_parens.hpp',
'internal/catch_random_number_generator.hpp',
'internal/catch_random_seed_generation.hpp',
'internal/catch_reporter_registry.hpp',
'internal/catch_reporter_spec_parser.hpp',
'internal/catch_result_type.hpp',
'internal/catch_run_context.hpp',
'internal/catch_section.hpp',
'internal/catch_stdstreams.hpp',
'catch_section_info.hpp',
'catch_session.hpp',
'internal/catch_singletons.hpp',
'internal/catch_startup_exception_registry.hpp',
'internal/catch_reusable_string_stream.hpp',
'internal/catch_stream_end_stop.hpp',
'internal/catch_string_manip.hpp',
'internal/catch_stringref.hpp',
'catch_tag_alias.hpp',
'catch_get_random_seed.hpp',
'catch_tag_alias_autoregistrar.hpp',
'internal/catch_tag_alias_registry.hpp',
'catch_test_case_info.hpp',
'internal/catch_test_case_registry_impl.hpp',
'internal/catch_test_case_tracker.hpp',
'catch_template_test_macros.hpp',
'catch_test_macros.hpp',
'internal/catch_template_test_registry.hpp',
'internal/catch_test_registry.hpp',
'catch_test_spec.hpp',
'internal/catch_test_spec_parser.hpp',
'internal/catch_textflow.hpp',
'catch_timer.hpp',
'internal/catch_to_string.hpp',
'catch_tostring.hpp',
'catch_totals.hpp',
'catch_translate_exception.hpp',
'internal/catch_uncaught_exceptions.hpp',
'internal/catch_unique_ptr.hpp',
'internal/catch_void_type.hpp',
'catch_version.hpp',
'catch_version_macros.hpp',
'internal/catch_wildcard_pattern.hpp',
'internal/catch_windows_h_proxy.hpp',
'internal/catch_xmlwriter.hpp',
'internal/catch_test_case_info_hasher.hpp'
]
internal_sources = [
'catch_approx.cpp',
'internal/catch_assertion_handler.cpp',
'catch_assertion_result.cpp',
'internal/catch_clara.cpp',
'internal/catch_commandline.cpp',
'internal/catch_source_line_info.cpp',
'catch_config.cpp',
'internal/catch_case_insensitive_comparisons.cpp',
'internal/catch_console_colour.cpp',
'internal/catch_context.cpp',
'internal/catch_debug_console.cpp',
'internal/catch_debugger.cpp',
'internal/catch_enforce.cpp',
'internal/catch_enum_values_registry.cpp',
'internal/catch_exception_translator_registry.cpp',
'internal/catch_fatal_condition_handler.cpp',
'internal/catch_floating_point_helpers.cpp',
'internal/catch_istream.cpp',
'interfaces/catch_interfaces_generatortracker.cpp',
'interfaces/catch_interfaces_reporter.cpp',
'internal/catch_list.cpp',
'matchers/catch_matchers_floating_point.cpp',
'matchers/catch_matchers_quantifiers.cpp',
'matchers/catch_matchers_string.cpp',
'matchers/catch_matchers_templated.cpp',
'catch_message.cpp',
'internal/catch_output_redirect.cpp',
'catch_registry_hub.cpp',
'internal/catch_random_number_generator.cpp',
'internal/catch_random_seed_generation.cpp',
'internal/catch_reporter_registry.cpp',
'internal/catch_reporter_spec_parser.cpp',
'internal/catch_result_type.cpp',
'internal/catch_run_context.cpp',
'internal/catch_section.cpp',
'internal/catch_stdstreams.cpp',
'catch_session.cpp',
'internal/catch_singletons.cpp',
'internal/catch_reusable_string_stream.cpp',
'internal/catch_stringref.cpp',
'internal/catch_string_manip.cpp',
'internal/catch_tag_alias_registry.cpp',
'catch_test_case_info.cpp',
'internal/catch_test_case_registry_impl.cpp',
'internal/catch_test_case_tracker.cpp',
'internal/catch_test_registry.cpp',
'internal/catch_textflow.cpp',
'catch_test_spec.cpp',
'internal/catch_test_spec_parser.cpp',
'catch_timer.cpp',
'catch_tostring.cpp',
'catch_totals.cpp',
'catch_version.cpp',
'internal/catch_wildcard_pattern.cpp',
'internal/catch_xmlwriter.cpp',
'internal/catch_test_case_info_hasher.cpp',
'generators/catch_generators_random.cpp',
'generators/catch_generator_exception.cpp',
'generators/catch_generators.cpp',
'matchers/catch_matchers.cpp',
'matchers/catch_matchers_container_properties.cpp',
'matchers/catch_matchers_exception.cpp',
'matchers/catch_matchers_predicate.cpp',
'matchers/internal/catch_matchers_impl.cpp',
'catch_tag_alias_autoregistrar.cpp',
'catch_get_random_seed.cpp',
'internal/catch_decomposer.cpp',
'internal/catch_errno_guard.cpp',
'internal/catch_lazy_expr.cpp',
'internal/catch_leak_detector.cpp',
'internal/catch_message_info.cpp',
'internal/catch_polyfills.cpp',
'internal/catch_startup_exception_registry.cpp',
'internal/catch_uncaught_exceptions.cpp',
'interfaces/catch_interfaces_capture.cpp',
'interfaces/catch_interfaces_config.cpp',
'interfaces/catch_interfaces_exception.cpp',
'interfaces/catch_interfaces_registry_hub.cpp',
'interfaces/catch_interfaces_reporter_factory.cpp',
'interfaces/catch_interfaces_reporter_registry.cpp',
'interfaces/catch_interfaces_testcase.cpp',
]
reporter_headers = [
'reporters/catch_reporters_all.hpp',
'reporters/catch_reporter_automake.hpp',
'reporters/catch_reporter_common_base.hpp',
'reporters/catch_reporter_compact.hpp',
'reporters/catch_reporter_console.hpp',
'reporters/catch_reporter_cumulative_base.hpp',
'reporters/catch_reporter_event_listener.hpp',
'reporters/catch_reporter_helpers.hpp',
'reporters/catch_reporter_junit.hpp',
'reporters/catch_reporter_multi.hpp',
'reporters/catch_reporter_registrars.hpp',
'reporters/catch_reporter_sonarqube.hpp',
'reporters/catch_reporter_streaming_base.hpp',
'reporters/catch_reporter_tap.hpp',
'reporters/catch_reporter_teamcity.hpp',
'reporters/catch_reporter_xml.hpp'
]
reporter_sources = [
'reporters/catch_reporter_automake.cpp',
'reporters/catch_reporter_common_base.cpp',
'reporters/catch_reporter_compact.cpp',
'reporters/catch_reporter_console.cpp',
'reporters/catch_reporter_cumulative_base.cpp',
'reporters/catch_reporter_event_listener.cpp',
'reporters/catch_reporter_helpers.cpp',
'reporters/catch_reporter_junit.cpp',
'reporters/catch_reporter_multi.cpp',
'reporters/catch_reporter_registrars.cpp',
'reporters/catch_reporter_sonarqube.cpp',
'reporters/catch_reporter_streaming_base.cpp',
'reporters/catch_reporter_tap.cpp',
'reporters/catch_reporter_teamcity.cpp',
'reporters/catch_reporter_xml.cpp',
]
headers = benchmark_headers + internal_headers + reporter_headers
sources = benchmark_sources + internal_sources + reporter_sources
# The headers must be installed with their full paths, which meson
# v0.63 supports using `preserve_path` for `install_headers`. We'd
# like to be compatible with Debian 11 (current stable) which has
# meson v0.56.2. Instead, let's use the technique from
# https://github.com/mesonbuild/meson/issues/14 with some tweaks to
# make it compatible with newer meson.
include_subdir = 'catch2'
foreach file : headers
file_path = file.split('/')
folder = ''
foreach path : file_path
if path != file_path[-1]
folder = folder / path
endif
endforeach
install_headers(file, subdir: join_paths(include_subdir, folder))
endforeach
catch2 = static_library(
'Catch2',
sources,
include_directories : '..',
install : true
)
catch2_dep = declare_dependency(
link_with: catch2,
include_directories: '..'
)
pkg.generate(
catch2,
filebase: 'catch2',
description : 'A modern, C++-native, test framework for C++14 and above',
url: 'https://github.com/catchorg/Catch2'
)
catch2_with_main = static_library(
'Catch2Main',
[ 'internal/catch_main.cpp' ],
link_with: catch2,
include_directories : '..',
install : true
)
catch2_with_main_dep = declare_dependency(
link_with: [ catch2, catch2_with_main ],
include_directories: '..'
)
pkg.generate(
catch2_with_main,
filebase : 'catch2-with-main',
description : 'A modern, C++-native, test framework for C++14 and above (links in default main)',
requires : 'catch2 = ' + meson.project_version()
)

71
tests/meson.build Normal file
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@ -0,0 +1,71 @@
# Copyright Catch2 Authors
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# https://www.boost.org/LICENSE_1_0.txt)
# SPDX-License-Identifier: BSL-1.0
# define the sources of the self test
# Please keep these ordered alphabetically
self_test_sources = [
'SelfTest/TestRegistrations.cpp',
'SelfTest/IntrospectiveTests/Clara.tests.cpp',
'SelfTest/IntrospectiveTests/CmdLine.tests.cpp',
'SelfTest/IntrospectiveTests/CmdLineHelpers.tests.cpp',
'SelfTest/IntrospectiveTests/ColourImpl.tests.cpp',
'SelfTest/IntrospectiveTests/Details.tests.cpp',
'SelfTest/IntrospectiveTests/FloatingPoint.tests.cpp',
'SelfTest/IntrospectiveTests/GeneratorsImpl.tests.cpp',
'SelfTest/IntrospectiveTests/InternalBenchmark.tests.cpp',
'SelfTest/IntrospectiveTests/PartTracker.tests.cpp',
'SelfTest/IntrospectiveTests/RandomNumberGeneration.tests.cpp',
'SelfTest/IntrospectiveTests/Reporters.tests.cpp',
'SelfTest/IntrospectiveTests/Tag.tests.cpp',
'SelfTest/IntrospectiveTests/TestCaseInfoHasher.tests.cpp',
'SelfTest/IntrospectiveTests/TestSpecParser.tests.cpp',
'SelfTest/IntrospectiveTests/TextFlow.tests.cpp',
'SelfTest/IntrospectiveTests/Sharding.tests.cpp',
'SelfTest/IntrospectiveTests/Stream.tests.cpp',
'SelfTest/IntrospectiveTests/String.tests.cpp',
'SelfTest/IntrospectiveTests/StringManip.tests.cpp',
'SelfTest/IntrospectiveTests/Xml.tests.cpp',
'SelfTest/IntrospectiveTests/ToString.tests.cpp',
'SelfTest/IntrospectiveTests/UniquePtr.tests.cpp',
'SelfTest/TimingTests/Sleep.tests.cpp',
'SelfTest/UsageTests/Approx.tests.cpp',
'SelfTest/UsageTests/BDD.tests.cpp',
'SelfTest/UsageTests/Benchmark.tests.cpp',
'SelfTest/UsageTests/Class.tests.cpp',
'SelfTest/UsageTests/Compilation.tests.cpp',
'SelfTest/UsageTests/Condition.tests.cpp',
'SelfTest/UsageTests/Decomposition.tests.cpp',
'SelfTest/UsageTests/EnumToString.tests.cpp',
'SelfTest/UsageTests/Exception.tests.cpp',
'SelfTest/UsageTests/Generators.tests.cpp',
'SelfTest/UsageTests/Message.tests.cpp',
'SelfTest/UsageTests/Misc.tests.cpp',
'SelfTest/UsageTests/ToStringByte.tests.cpp',
'SelfTest/UsageTests/ToStringChrono.tests.cpp',
'SelfTest/UsageTests/ToStringGeneral.tests.cpp',
'SelfTest/UsageTests/ToStringOptional.tests.cpp',
'SelfTest/UsageTests/ToStringPair.tests.cpp',
'SelfTest/UsageTests/ToStringTuple.tests.cpp',
'SelfTest/UsageTests/ToStringVariant.tests.cpp',
'SelfTest/UsageTests/ToStringVector.tests.cpp',
'SelfTest/UsageTests/ToStringWhich.tests.cpp',
'SelfTest/UsageTests/Tricky.tests.cpp',
'SelfTest/UsageTests/VariadicMacros.tests.cpp',
'SelfTest/UsageTests/MatchersRanges.tests.cpp',
'SelfTest/UsageTests/Matchers.tests.cpp'
]
# This isn't as good as the CMake tests, but it proves that we've
# actually put something in the library files.
self_test = executable(
'SelfTest',
self_test_sources,
include_directories : '../src',
link_with : [ catch2_with_main, catch2 ]
)
test('SelfTest', self_test)

12
tools/scripts/releaseCommon.py
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@ -15,6 +15,7 @@ versionPath = os.path.join( rootPath, "catch_version.cpp" )
definePath = os.path.join(rootPath, 'catch_version_macros.hpp') definePath = os.path.join(rootPath, 'catch_version_macros.hpp')
readmePath = os.path.join( catchPath, "README.md" ) readmePath = os.path.join( catchPath, "README.md" )
cmakePath = os.path.join(catchPath, 'CMakeLists.txt') cmakePath = os.path.join(catchPath, 'CMakeLists.txt')
mesonPath = os.path.join(catchPath, 'meson.build')
class Version: class Version:
def __init__(self): def __init__(self):
@ -89,6 +90,16 @@ def updateCmakeFile(version):
file.write(replacementRegex.sub(replacement, line)) file.write(replacementRegex.sub(replacement, line))
def updateMesonFile(version):
with open(mesonPath, 'rb') as file:
lines = file.readlines()
replacementRegex = re.compile(b'''version\s*:\s*'(\\d+.\\d+.\\d+)', # CML version placeholder, don't delete''')
replacement = '''version : '{0}', # CML version placeholder, don't delete'''.format(version.getVersionString()).encode('ascii')
with open(mesonPath, 'wb') as file:
for line in lines:
file.write(replacementRegex.sub(replacement, line))
def updateVersionDefine(version): def updateVersionDefine(version):
# First member of the tuple is the compiled regex object, the second is replacement if it matches # First member of the tuple is the compiled regex object, the second is replacement if it matches
replacementRegexes = [(re.compile(b'#define CATCH_VERSION_MAJOR \\d+'),'#define CATCH_VERSION_MAJOR {}'.format(version.majorVersion).encode('ascii')), replacementRegexes = [(re.compile(b'#define CATCH_VERSION_MAJOR \\d+'),'#define CATCH_VERSION_MAJOR {}'.format(version.majorVersion).encode('ascii')),
@ -132,4 +143,5 @@ def performUpdates(version):
generateAmalgamatedFiles.generate_cpp() generateAmalgamatedFiles.generate_cpp()
updateCmakeFile(version) updateCmakeFile(version)
updateMesonFile(version)
updateDocumentationVersionPlaceholders(version) updateDocumentationVersionPlaceholders(version)