catch2/CMakeLists.txt

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CMake
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cmake_minimum_required(VERSION 3.5)
# detect if Catch is being bundled,
# disable testsuite in that case
if(NOT DEFINED PROJECT_NAME)
set(NOT_SUBPROJECT ON)
else()
set(NOT_SUBPROJECT OFF)
endif()
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option(CATCH_INSTALL_DOCS "Install documentation alongside library" ON)
option(CATCH_INSTALL_EXTRAS "Install extras (CMake scripts, debugger helpers) alongside library" ON)
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option(CATCH_DEVELOPMENT_BUILD "Build tests, enable warnings, enable Werror, etc" OFF)
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include(CMakeDependentOption)
cmake_dependent_option(CATCH_BUILD_TESTING "Build the SelfTest project" ON "CATCH_DEVELOPMENT_BUILD" OFF)
cmake_dependent_option(CATCH_BUILD_EXAMPLES "Build code examples" OFF "CATCH_DEVELOPMENT_BUILD" OFF)
cmake_dependent_option(CATCH_BUILD_EXTRA_TESTS "Build extra tests" OFF "CATCH_DEVELOPMENT_BUILD" OFF)
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cmake_dependent_option(CATCH_BUILD_FUZZERS "Build fuzzers" OFF "CATCH_DEVELOPMENT_BUILD" OFF)
cmake_dependent_option(CATCH_ENABLE_COVERAGE "Generate coverage for codecov.io" OFF "CATCH_DEVELOPMENT_BUILD" OFF)
cmake_dependent_option(CATCH_ENABLE_WERROR "Enables Werror during build" ON "CATCH_DEVELOPMENT_BUILD" OFF)
cmake_dependent_option(CATCH_BUILD_SURROGATES "Enable generating and building surrogate TUs for the main headers" OFF "CATCH_DEVELOPMENT_BUILD" OFF)
cmake_dependent_option(CATCH_ENABLE_CONFIGURE_TESTS "Enable CMake configuration tests. WARNING: VERY EXPENSIVE" OFF "CATCH_DEVELOPMENT_BUILD" OFF)
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# Catch2's build breaks if done in-tree. You probably should not build
# things in tree anyway, but we can allow projects that include Catch2
# as a subproject to build in-tree as long as it is not in our tree.
if (CMAKE_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt")
endif()
if(CMAKE_VERSION VERSION_GREATER 3.8)
# Enable IPO for CMake versions that support it
cmake_policy(SET CMP0069 NEW)
endif()
project(Catch2 LANGUAGES CXX VERSION 3.0.0)
# Provide path for scripts. We first add path to the scripts we don't use,
# but projects including us might, and set the path up to parent scope.
# Then we also add path that we use to configure the project, but is of
# no use to top level projects.
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/extras")
if (NOT NOT_SUBPROJECT)
set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" PARENT_SCOPE)
endif()
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/CMake")
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
include(CatchConfigOptions)
if(CATCH_DEVELOPMENT_BUILD)
include(CTest)
endif()
# This variable is used in some subdirectories, so we need it here, rather
# than later in the install block
set(CATCH_CMAKE_CONFIG_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Catch2")
# We have some Windows builds that test `wmain` entry point,
# and we need this change to be present in all binaries that
# are built during these tests, so this is required here, before
# the subdirectories are added.
if(CATCH_TEST_USE_WMAIN)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ENTRY:wmainCRTStartup")
endif()
# Basic paths
set(CATCH_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(SOURCES_DIR ${CATCH_DIR}/src/catch2)
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set(SELF_TEST_DIR ${CATCH_DIR}/tests/SelfTest)
set(BENCHMARK_DIR ${CATCH_DIR}/tests/Benchmark)
set(EXAMPLES_DIR ${CATCH_DIR}/examples)
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# We need to bring-in the variables defined there to this scope
add_subdirectory(src)
# Build tests only if requested
if (BUILD_TESTING AND CATCH_BUILD_TESTING AND NOT_SUBPROJECT)
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find_package(PythonInterp 3 REQUIRED)
if (NOT PYTHONINTERP_FOUND)
message(FATAL_ERROR "Python not found, but required for tests")
endif()
add_subdirectory(tests)
endif()
if(CATCH_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
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if(CATCH_BUILD_EXTRA_TESTS)
add_subdirectory(tests/ExtraTests)
endif()
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if(CATCH_BUILD_FUZZERS)
add_subdirectory(fuzzing)
endif()
if (CATCH_DEVELOPMENT_BUILD)
add_warnings_to_targets("${CATCH_WARNING_TARGETS}")
endif()
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# Only perform the installation steps when Catch is not being used as
# a subproject via `add_subdirectory`, or the destinations will break,
# see https://github.com/catchorg/Catch2/issues/1373
if (NOT_SUBPROJECT)
configure_package_config_file(
${CMAKE_CURRENT_LIST_DIR}/CMake/Catch2Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake
INSTALL_DESTINATION
${CATCH_CMAKE_CONFIG_DESTINATION}
)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake"
COMPATIBILITY
SameMajorVersion
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake"
DESTINATION
${CATCH_CMAKE_CONFIG_DESTINATION}
)
# Install documentation
if(CATCH_INSTALL_DOCS)
install(
DIRECTORY
docs/
DESTINATION
"${CMAKE_INSTALL_DOCDIR}"
PATTERN "doxygen" EXCLUDE
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)
endif()
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if(CATCH_INSTALL_EXTRAS)
# Install CMake scripts
install(
FILES
"extras/ParseAndAddCatchTests.cmake"
"extras/Catch.cmake"
"extras/CatchAddTests.cmake"
DESTINATION
${CATCH_CMAKE_CONFIG_DESTINATION}
)
# Install debugger helpers
install(
FILES
"extras/gdbinit"
"extras/lldbinit"
DESTINATION
${CMAKE_INSTALL_DATAROOTDIR}/Catch2
)
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endif()
## Provide some pkg-config integration
set(PKGCONFIG_INSTALL_DIR
"${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig"
CACHE PATH "Path where catch2.pc is installed"
)
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/CMake/catch2.pc.in
${CMAKE_CURRENT_BINARY_DIR}/catch2.pc
@ONLY
)
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/CMake/catch2-with-main.pc.in
${CMAKE_CURRENT_BINARY_DIR}/catch2-with-main.pc
@ONLY
)
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install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/catch2.pc"
"${CMAKE_CURRENT_BINARY_DIR}/catch2-with-main.pc"
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DESTINATION
${PKGCONFIG_INSTALL_DIR}
)
# CPack/CMake started taking the package version from project version 3.12
# So we need to set the version manually for older CMake versions
if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
endif()
set(CPACK_PACKAGE_CONTACT "https://github.com/catchorg/Catch2/")
include( CPack )
endif(NOT_SUBPROJECT)