libcryfs/vendor/gitversion/gitversion-1.8/cmake.cmake

29 lines
1.5 KiB
CMake
Raw Normal View History

2016-02-11 16:39:42 +01:00
set(DIR_OF_GITVERSION_TOOL "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "DIR_OF_GITVERSION_TOOL")
#################################################
# Add git version information
# Uses:
# TARGET_GIT_VERSION_INIT(buildtarget)
# Then, you can write in your source file:
# #include <gitversion/version.h>
# cout << gitversion::VERSION.toString() << endl;
#################################################
function(TARGET_GIT_VERSION_INIT TARGET)
FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion")
FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion/gitversion")
SET(ENV{PYTHONPATH} "${DIR_OF_GITVERSION_TOOL}/src")
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"
RESULT_VARIABLE result)
IF(NOT ${result} EQUAL 0)
MESSAGE(FATAL_ERROR "Error running messmer/git-version tool. Return code is: ${result}")
ENDIF()
TARGET_INCLUDE_DIRECTORIES(${TARGET} PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion")
# Load version string and write it to a cmake variable so it can be accessed from cmake.
FILE(READ "${CMAKE_CURRENT_BINARY_DIR}/messmer_gitversion/gitversion/version.h" VERSION_H_FILE_CONTENT)
STRING(REGEX REPLACE ".*VERSION_STRING = \"([^\"]*)\".*" "\\1" VERSION_STRING "${VERSION_H_FILE_CONTENT}")
MESSAGE(STATUS "Version from git: ${VERSION_STRING}")
SET(GITVERSION_VERSION_STRING "${VERSION_STRING}" PARENT_SCOPE)
endfunction(TARGET_GIT_VERSION_INIT)