29 lines
1.5 KiB
CMake
29 lines
1.5 KiB
CMake
set(DIR_OF_GITVERSION_TOOL "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "DIR_OF_GITVERSION_TOOL")
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#################################################
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# Add git version information
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# Uses:
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# TARGET_GIT_VERSION_INIT(buildtarget)
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# Then, you can write in your source file:
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# #include <gitversion/version.h>
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# cout << gitversion::VERSION.toString() << endl;
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#################################################
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function(TARGET_GIT_VERSION_INIT TARGET)
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FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion")
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FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion/gitversion")
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SET(ENV{PYTHONPATH} "${DIR_OF_GITVERSION_TOOL}/src")
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EXECUTE_PROCESS(COMMAND /usr/bin/env python -m gitversionbuilder --lang cpp --dir "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion/gitversion/version.h"
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RESULT_VARIABLE result)
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IF(NOT ${result} EQUAL 0)
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MESSAGE(FATAL_ERROR "Error running messmer/git-version tool. Return code is: ${result}")
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ENDIF()
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TARGET_INCLUDE_DIRECTORIES(${TARGET} PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion")
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# Load version string and write it to a cmake variable so it can be accessed from cmake.
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FILE(READ "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion/gitversion/version.h" VERSION_H_FILE_CONTENT)
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STRING(REGEX REPLACE ".*VERSION_STRING = \"([^\"]*)\".*" "\\1" VERSION_STRING "${VERSION_H_FILE_CONTENT}")
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MESSAGE(STATUS "Version from git: ${VERSION_STRING}")
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SET(GITVERSION_VERSION_STRING "${VERSION_STRING}" PARENT_SCOPE)
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endfunction(TARGET_GIT_VERSION_INIT)
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