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git-version.cmake
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git-version.cmake
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set(GIT_VERSION_FILE "${SOURCE_DIR}/git-version.cpp")
set(GIT_VERSION "unknown")
set(GIT_VERSION_UPDATE "1")
find_package(Git)
if(GIT_FOUND)
execute_process(COMMAND ${GIT_EXECUTABLE} describe --always
WORKING_DIRECTORY ${SOURCE_DIR}
RESULT_VARIABLE exit_code
OUTPUT_VARIABLE GIT_VERSION)
if(NOT ${exit_code} EQUAL 0)
message(WARNING "git describe failed, unable to include version.")
endif()
string(STRIP ${GIT_VERSION} GIT_VERSION)
else()
message(WARNING "git not found, unable to include version.")
endif()
if(EXISTS ${GIT_VERSION_FILE})
# Don't update if marked not to update.
file(STRINGS ${GIT_VERSION_FILE} match
REGEX "PPSSPP_GIT_VERSION_NO_UPDATE = 1")
if(NOT ${match} EQUAL "")
set(GIT_VERSION_UPDATE "0")
endif()
# Don't update if it's already the same.
file(STRINGS ${GIT_VERSION_FILE} match
REGEX "${GIT_VERSION}")
if(NOT ${match} EQUAL "")
set(GIT_VERSION_UPDATE "0")
endif()
endif()
set(code_string "// This is a generated file.\n\n"
"const char *PPSSPP_GIT_VERSION = \"${GIT_VERSION}\"\;\n\n"
"// If you don't want this file to update/recompile, change to 1.\n"
"#define PPSSPP_GIT_VERSION_NO_UPDATE 0\n")
message(WARNING "UPDATE: ${GIT_VERSION_FILE}")
if ("${GIT_VERSION_UPDATE}" EQUAL "1")
file(WRITE ${GIT_VERSION_FILE} ${code_string})
endif()