Initial commit

cmake/Modules/GenerateVersion.cmake

@@ -0,0 +1,26 @@
+# Always run during 'make'
+
+if(DEVELOPMENT_BUILD)
+	execute_process(COMMAND git rev-parse --short HEAD
+		WORKING_DIRECTORY "${GENERATE_VERSION_SOURCE_DIR}"
+		OUTPUT_VARIABLE VERSION_GITHASH OUTPUT_STRIP_TRAILING_WHITESPACE
+		ERROR_QUIET)
+	if(VERSION_GITHASH)
+		set(VERSION_GITHASH "${VERSION_STRING}-${VERSION_GITHASH}")
+		execute_process(COMMAND git diff-index --quiet HEAD
+			WORKING_DIRECTORY "${GENERATE_VERSION_SOURCE_DIR}"
+			RESULT_VARIABLE IS_DIRTY)
+		if(IS_DIRTY)
+			set(VERSION_GITHASH "${VERSION_GITHASH}-dirty")
+		endif()
+		message(STATUS "*** Detected Git version ${VERSION_GITHASH} ***")
+	endif()
+endif()
+if(NOT VERSION_GITHASH)
+	set(VERSION_GITHASH "${VERSION_STRING}")
+endif()
+
+configure_file(
+	${GENERATE_VERSION_SOURCE_DIR}/cmake_config_githash.h.in
+	${GENERATE_VERSION_BINARY_DIR}/cmake_config_githash.h)
+