updated godot-cpp

cmake/GitVersionInfo.cmake

@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: Unlicense
+
+find_program( GIT_PROGRAM git )
+
+if ( GIT_PROGRAM )
+    # get version information
+    execute_process(
+        COMMAND "${GIT_PROGRAM}" --version
+        OUTPUT_VARIABLE GIT_VERSION
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    message( STATUS "Using git: ${GIT_PROGRAM} (${GIT_VERSION})" )
+
+    include( GetGitRevisionDescription )
+
+    get_git_head_revision( GIT_REFSPEC GIT_SHA1 )
+    git_describe( GIT_SHORT )
+
+    string( TOUPPER ${PROJECT_NAME} UPPER_PROJECT_NAME )
+
+    set( VERSION_INPUT_FILE "src/Version.h.in" )
+    set( VERSION_OUTPUT_FILE "${CMAKE_BINARY_DIR}/gen/Version.h" )
+
+    configure_file( "${VERSION_INPUT_FILE}" "${VERSION_OUTPUT_FILE}" )
+
+    target_sources( ${PROJECT_NAME}
+        PRIVATE
+            "${VERSION_INPUT_FILE}"
+            "${VERSION_OUTPUT_FILE}"
+    )
+
+    get_filename_component( VERSION_OUTPUT_FILE_DIR ${VERSION_OUTPUT_FILE} DIRECTORY )
+
+    target_include_directories( ${PROJECT_NAME}
+        PRIVATE
+            ${VERSION_OUTPUT_FILE_DIR}
+    )
+
+    message( STATUS "${PROJECT_NAME} version: ${GIT_SHORT}" )
+
+    unset( VERSION_INPUT_FILE )
+    unset( VERSION_OUTPUT_FILE )
+    unset( VERSION_OUTPUT_FILE_DIR )
+    unset( GIT_VERSION )
+endif()