mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-30 01:03:30 +01:00
92f8b01dfa
It should provide a shared impl for all targets that need to link against Catch2's implementation. However, due to limitations of C++ linking and Catch2's v2 implementation, this is only experimental and might not work under some circumstances.
241 lines
6.7 KiB
CMake
241 lines
6.7 KiB
CMake
cmake_minimum_required(VERSION 3.5)
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# detect if Catch is being bundled,
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# disable testsuite in that case
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if(NOT DEFINED PROJECT_NAME)
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set(NOT_SUBPROJECT ON)
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endif()
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# Catch2's build breaks if done in-tree. You probably should not build
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# things in tree anyway, but we can allow projects that include Catch2
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# as a subproject to build in-tree as long as it is not in our tree.
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if (CMAKE_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt")
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endif()
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project(Catch2 LANGUAGES CXX VERSION 2.13.3)
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# Provide path for scripts
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/CMake")
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include(GNUInstallDirs)
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option(CATCH_USE_VALGRIND "Perform SelfTests with Valgrind" OFF)
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option(CATCH_BUILD_TESTING "Build SelfTest project" ON)
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option(CATCH_BUILD_EXAMPLES "Build documentation examples" OFF)
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option(CATCH_BUILD_EXTRA_TESTS "Build extra tests" OFF)
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option(CATCH_ENABLE_COVERAGE "Generate coverage for codecov.io" OFF)
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option(CATCH_ENABLE_WERROR "Enable all warnings as errors" ON)
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option(CATCH_INSTALL_DOCS "Install documentation alongside library" ON)
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option(CATCH_INSTALL_HELPERS "Install contrib alongside library" ON)
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# define some folders
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set(CATCH_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(SELF_TEST_DIR ${CATCH_DIR}/projects/SelfTest)
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set(BENCHMARK_DIR ${CATCH_DIR}/projects/Benchmark)
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set(HEADER_DIR ${CATCH_DIR}/include)
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if(USE_WMAIN)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ENTRY:wmainCRTStartup")
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endif()
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if(NOT_SUBPROJECT)
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include(CTest)
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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if(BUILD_TESTING AND CATCH_BUILD_TESTING)
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find_package(PythonInterp)
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if (NOT PYTHONINTERP_FOUND)
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message(FATAL_ERROR "Python not found, but required for tests")
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endif()
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add_subdirectory(projects)
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endif()
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endif()
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if(CATCH_BUILD_EXAMPLES)
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add_subdirectory(examples)
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endif()
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if(CATCH_BUILD_EXTRA_TESTS)
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add_subdirectory(projects/ExtraTests)
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endif()
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# add catch as a 'linkable' target
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add_library(Catch2 INTERFACE)
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# depend on some obvious c++11 features so the dependency is transitively added dependents
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target_compile_features(Catch2
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INTERFACE
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cxx_alignas
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cxx_alignof
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cxx_attributes
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cxx_auto_type
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cxx_constexpr
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cxx_defaulted_functions
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cxx_deleted_functions
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cxx_final
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cxx_lambdas
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cxx_noexcept
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cxx_override
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cxx_range_for
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cxx_rvalue_references
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cxx_static_assert
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cxx_strong_enums
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cxx_trailing_return_types
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cxx_unicode_literals
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cxx_user_literals
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cxx_variadic_macros
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)
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target_include_directories(Catch2
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INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/single_include>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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if (ANDROID)
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target_link_libraries(Catch2 INTERFACE log)
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endif()
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# provide a namespaced alias for clients to 'link' against if catch is included as a sub-project
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add_library(Catch2::Catch2 ALIAS Catch2)
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# Hacky support for compiling the impl into a static lib
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add_library(Catch2WithMain src/catch_with_main.cpp)
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target_link_libraries(Catch2WithMain PUBLIC Catch2)
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add_library(Catch2::Catch2WithMain ALIAS Catch2WithMain)
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# Only perform the installation steps when Catch is not being used as
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# a subproject via `add_subdirectory`, or the destinations will break,
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# see https://github.com/catchorg/Catch2/issues/1373
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if (NOT_SUBPROJECT)
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include(CMakePackageConfigHelpers)
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set(CATCH_CMAKE_CONFIG_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Catch2")
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configure_package_config_file(
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${CMAKE_CURRENT_LIST_DIR}/CMake/Catch2Config.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake
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INSTALL_DESTINATION
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${CATCH_CMAKE_CONFIG_DESTINATION}
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)
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# create and install an export set for catch target as Catch2::Catch
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install(
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TARGETS
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Catch2 Catch2WithMain
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EXPORT
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Catch2Targets
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DESTINATION
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${CMAKE_INSTALL_LIBDIR}
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)
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install(
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EXPORT
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Catch2Targets
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NAMESPACE
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Catch2::
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DESTINATION
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${CATCH_CMAKE_CONFIG_DESTINATION}
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)
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# By default, FooConfigVersion is tied to architecture that it was
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# generated on. Because Catch2 is header-only, it is arch-independent
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# and thus Catch2ConfigVersion should not be tied to the architecture
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# it was generated on.
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#
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# CMake does not provide a direct customization point for this in
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# `write_basic_package_version_file`, but it can be accomplished
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# indirectly by temporarily redefining `CMAKE_SIZEOF_VOID_P` to an
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# empty string. Note that just undefining the variable could be
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# insufficient in cases where the variable was already in CMake cache
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set(CATCH2_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
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set(CMAKE_SIZEOF_VOID_P "")
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake"
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COMPATIBILITY
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SameMajorVersion
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)
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set(CMAKE_SIZEOF_VOID_P ${CATCH2_CMAKE_SIZEOF_VOID_P})
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install(
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DIRECTORY
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"single_include/"
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DESTINATION
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"${CMAKE_INSTALL_INCLUDEDIR}"
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)
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install(
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FILES
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"${CMAKE_CURRENT_BINARY_DIR}/Catch2Config.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/Catch2ConfigVersion.cmake"
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DESTINATION
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${CATCH_CMAKE_CONFIG_DESTINATION}
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)
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# Install documentation
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if(CATCH_INSTALL_DOCS)
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install(
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DIRECTORY
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docs/
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DESTINATION
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"${CMAKE_INSTALL_DOCDIR}"
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)
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endif()
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if(CATCH_INSTALL_HELPERS)
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# Install CMake scripts
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install(
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FILES
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"contrib/ParseAndAddCatchTests.cmake"
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"contrib/Catch.cmake"
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"contrib/CatchAddTests.cmake"
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DESTINATION
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${CATCH_CMAKE_CONFIG_DESTINATION}
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)
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# Install debugger helpers
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install(
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FILES
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"contrib/gdbinit"
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"contrib/lldbinit"
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DESTINATION
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${CMAKE_INSTALL_DATAROOTDIR}/Catch2
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)
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endif()
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## Provide some pkg-config integration
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set(PKGCONFIG_INSTALL_DIR
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"${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig"
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CACHE PATH "Path where catch2.pc is installed"
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)
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/CMake/catch2.pc.in
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${CMAKE_CURRENT_BINARY_DIR}/catch2.pc
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@ONLY
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)
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install(
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FILES
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"${CMAKE_CURRENT_BINARY_DIR}/catch2.pc"
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DESTINATION
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${PKGCONFIG_INSTALL_DIR}
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)
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# CPack/CMake started taking the package version from project version 3.12
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# So we need to set the version manually for older CMake versions
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if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
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set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
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endif()
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set(CPACK_PACKAGE_CONTACT "https://github.com/catchorg/Catch2/")
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include( CPack )
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endif(NOT_SUBPROJECT)
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