08d7a58ddd
note: before cmake 3.18 FetchContent does not support SOURCE_SUBDIR which is needed for protobuf
139 lines
4.3 KiB
CMake
139 lines
4.3 KiB
CMake
function(get_version_from_file VERSION_MAJOR VERSION_MINOR VERSION_PATCH)
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file(STRINGS "Version.txt" VERSION_STR)
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foreach(STR ${VERSION_STR})
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if(${STR} MATCHES "OR_TOOLS_MAJOR=(.*)")
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set(${VERSION_MAJOR} ${CMAKE_MATCH_1} PARENT_SCOPE)
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endif()
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if(${STR} MATCHES "OR_TOOLS_MINOR=(.*)")
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set(${VERSION_MINOR} ${CMAKE_MATCH_1} PARENT_SCOPE)
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endif()
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endforeach()
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set(${VERSION_PATCH} 9999 PARENT_SCOPE)
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endfunction()
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function(get_version_from_git VERSION_MAJOR VERSION_MINOR VERSION_PATCH)
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find_package(Git QUIET)
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if(NOT GIT_FOUND)
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message(STATUS "Did not find git package, get version from file...")
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get_version_from_file(MAJOR MINOR PATCH)
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else()
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execute_process(COMMAND
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${GIT_EXECUTABLE} describe --tags
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RESULT_VARIABLE _OUTPUT_VAR
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OUTPUT_VARIABLE FULL
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ERROR_QUIET
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
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if(NOT _OUTPUT_VAR)
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execute_process(COMMAND
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${GIT_EXECUTABLE} rev-list HEAD --count
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RESULT_VARIABLE _OUTPUT_VAR
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OUTPUT_VARIABLE PATCH
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ERROR_QUIET
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
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STRING(STRIP PATCH ${PATCH})
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STRING(REGEX REPLACE "\n$" "" PATCH ${PATCH})
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STRING(REGEX REPLACE " " "" PATCH ${PATCH})
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STRING(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" MAJOR "${FULL}")
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STRING(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" MINOR "${FULL}")
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else()
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message(STATUS "Did not find any tag")
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get_version_from_file(MAJOR MINOR PATCH)
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endif()
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endif()
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set(${VERSION_MAJOR} ${MAJOR} PARENT_SCOPE)
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set(${VERSION_MINOR} ${MINOR} PARENT_SCOPE)
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set(${VERSION_PATCH} ${PATCH} PARENT_SCOPE)
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endfunction()
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function(set_version VERSION)
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get_filename_component(GIT_DIR ".git" ABSOLUTE)
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if(EXISTS ${GIT_DIR})
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get_version_from_git(MAJOR MINOR PATCH)
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else()
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get_version_from_file(MAJOR MINOR PATCH)
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endif()
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set(${VERSION} "${MAJOR}.${MINOR}.${PATCH}" PARENT_SCOPE)
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endfunction()
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function(check_target my_target)
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if(NOT TARGET ${my_target})
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message(FATAL_ERROR " Or-Tools: compiling Or-Tools requires a ${my_target}
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CMake target in your project, see CMake/README.md for more details")
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endif(NOT TARGET ${my_target})
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endfunction()
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# fetch_git_dependency()
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#
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# CMake function to download, build and install (in staging area) a dependency at configure
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# time.
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#
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# Parameters:
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# NAME: name of the dependency
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# REPOSITORY: git url of the dependency
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# TAG: tag of the dependency
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# APPLY_PATCH: apply patch
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# CMAKE_ARGS: List of specific CMake args to add
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#
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# fetch_git_dependency(
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# NAME
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# abseil-cpp
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# URL
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# https://github.com/abseil/abseil-cpp.git
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# TAG
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# master
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# APPLY_PATCH
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# "git apply ${CMAKE_SOURCE_DIR}/patches/abseil-cpp.patch"
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# )
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function(fetch_git_dependency)
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set(options "")
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set(oneValueArgs NAME REPOSITORY TAG PATCH_COMMAND SOURCE_SUBDIR)
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set(multiValueArgs CMAKE_ARGS)
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cmake_parse_arguments(GIT_DEP
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"${options}"
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"${oneValueArgs}"
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"${multiValueArgs}"
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${ARGN}
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)
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message(STATUS "Building ${GIT_DEP_NAME}: ...")
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string(TOLOWER ${GIT_DEP_NAME} NAME_LOWER)
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if(GIT_DEP_PATCH_COMMAND)
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set(PATCH_CMD "${GIT_DEP_PATCH_COMMAND}")
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else()
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set(PATCH_CMD "")
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endif()
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configure_file(
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${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in
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${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-subbuild/CMakeLists.txt @ONLY)
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execute_process(
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COMMAND ${CMAKE_COMMAND} -S. -Bproject_build -G "${CMAKE_GENERATOR}"
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RESULT_VARIABLE result
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-subbuild)
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if(result)
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message(FATAL_ERROR "CMake step for ${GIT_DEP_NAME} failed: ${result}")
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND} --build project_build --config ${CMAKE_BUILD_TYPE}
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RESULT_VARIABLE result
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-subbuild)
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if(result)
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message(FATAL_ERROR "Build step for ${GIT_DEP_NAME} failed: ${result}")
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endif()
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if(GIT_DEP_SOURCE_SUBDIR)
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add_subdirectory(
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${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-src/${GIT_DEP_SOURCE_SUBDIR}
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${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-build)
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else()
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add_subdirectory(
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${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-src
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${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-build)
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endif()
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message(STATUS "Building ${GIT_DEP_NAME}: ...DONE")
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endfunction()
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