LookingGlass/version.cmake

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CMake
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if (EXISTS ${PROJECT_TOP}/VERSION)
file(READ ${PROJECT_TOP}/VERSION GIT_REV)
else()
execute_process(
COMMAND git describe --always --abbrev=10 --dirty=+ --tags
WORKING_DIRECTORY "${PROJECT_TOP}"
OUTPUT_VARIABLE GIT_REV
ERROR_QUIET)
endif()
if ("${GIT_REV}" STREQUAL "")
set(GIT_REV "UNKNOWN")
endif()
string(STRIP "${GIT_REV}" GIT_VERSION)
2020-10-08 16:09:45 +00:00
set(BUILD_VERSION "const char * BUILD_VERSION = \"${GIT_VERSION}\";")
if(EXISTS "${CMAKE_BINARY_DIR}/version.c")
file(READ ${CMAKE_BINARY_DIR}/version.c BUILD_VERSION_)
else()
set(BUILD_VERSION_ "")
endif()
if (NOT "${BUILD_VERSION}" STREQUAL "${BUILD_VERSION_}")
file(WRITE ${CMAKE_BINARY_DIR}/version.c "${BUILD_VERSION}")
file(WRITE ${CMAKE_BINARY_DIR}/VERSION "${GIT_VERSION}")
endif()