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80 lines
3.4 KiB
CMake
80 lines
3.4 KiB
CMake
## # vcpkg_test_cmake
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##
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## Tests a built package for CMake `find_package()` integration.
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##
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## ## Usage:
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## ```cmake
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## vcpkg_test_cmake(PACKAGE_NAME <name> [MODULE])
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## ```
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##
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## ## Parameters:
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##
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## ### PACKAGE_NAME
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## The expected name to find with `find_package()`.
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##
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## ### MODULE
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## Indicates that the library expects to be found via built-in CMake targets.
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##
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function(vcpkg_test_cmake)
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# The following issues need to be addressed before re-enabling this function.
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# 1. Use the actual vcpkg toolchain file.
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# 2. Select a generator in the same method as vcpkg_configure_cmake() as though the PREFER_NINJA flag was always passed.
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# 3. Fully emulate the toolchain file for the just-built package (just adding it to CMAKE_PREFIX_PATH is not enough).
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return()
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cmake_parse_arguments(_tc "MODULE" "PACKAGE_NAME" "" ${ARGN})
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if(NOT DEFINED _tc_PACKAGE_NAME)
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message(FATAL_ERROR "PACKAGE_NAME must be specified")
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endif()
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if(_tc_MODULE)
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set(PACKAGE_TYPE MODULE)
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else()
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set(PACKAGE_TYPE CONFIG)
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endif()
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if(VCPKG_PLATFORM_TOOLSET STREQUAL "v142")
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message(STATUS "Skipping CMake integration test due to v142 / CMake interaction issues")
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return()
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endif()
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message(STATUS "Performing CMake integration test")
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file(REMOVE_RECURSE ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-test)
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file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-test)
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#Generate Dummy source
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# set(VCPKG_TEST_SOURCE ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-test/CMakeIntegration.cpp)
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# file(WRITE ${VCPKG_TEST_SOURCE} "int main() \{\n")
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# file(APPEND ${VCPKG_TEST_SOURCE} "return 0;}")
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# Generate test source CMakeLists.txt
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set(VCPKG_TEST_CMAKELIST ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-test/CMakeLists.txt)
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file(WRITE ${VCPKG_TEST_CMAKELIST} "cmake_minimum_required(VERSION 3.10)\n")
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file(APPEND ${VCPKG_TEST_CMAKELIST} "set(CMAKE_PREFIX_PATH \"${CURRENT_PACKAGES_DIR};${CURRENT_INSTALLED_DIR}\")\n")
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file(APPEND ${VCPKG_TEST_CMAKELIST} "\n")
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file(APPEND ${VCPKG_TEST_CMAKELIST} "find_package(${_tc_PACKAGE_NAME} ${PACKAGE_TYPE} REQUIRED)\n")
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#To properly test if the package is actually working haveway correctly we have to link all targets of a package to
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#a test executable and than actually build it. This will not discover if every symbol exported by the library is available/linked
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#but it will doscover if all files which are linked by a target actual exist. Problem is: How to discover all targets?
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# file(APPEND ${VCPKG_TEST_CMAKELIST} "add_executable(${_tc_PACKAGE_NAME}_exe ${VCPKG_TEST_SOURCE})\n")
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# file(APPEND ${VCPKG_TEST_CMAKELIST} "target_link_libraries(${_tc_PACKAGE_NAME}_exe PRIVATE ${_tc_PACKAGE_NAME})\n")
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if(DEFINED _VCPKG_CMAKE_GENERATOR)
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set(VCPKG_CMAKE_TEST_GENERATOR "${_VCPKG_CMAKE_GENERATOR}")
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else()
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set(VCPKG_CMAKE_TEST_GENERATOR Ninja)
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endif()
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# Run cmake config with a generated CMakeLists.txt
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set(LOGPREFIX "${CURRENT_BUILDTREES_DIR}/test-cmake-${TARGET_TRIPLET}")
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execute_process(
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COMMAND ${CMAKE_COMMAND} -G ${VCPKG_CMAKE_TEST_GENERATOR} .
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OUTPUT_FILE "${LOGPREFIX}-out.log"
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ERROR_FILE "${LOGPREFIX}-err.log"
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RESULT_VARIABLE error_code
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WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-test
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)
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if(error_code)
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message(FATAL_ERROR "CMake integration test failed; unable to find_package(${_tc_PACKAGE_NAME} ${PACKAGE_TYPE} REQUIRED)")
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endif()
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endfunction()
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