[cmake] add version parsing to clang-format

Spacetech · Oct 13, 2022 · d7b251f · d7b251f
1 parent 7149b66
commit d7b251f
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/cmake/modules/buildtools/FindClangFormat.cmake b/cmake/modules/buildtools/FindClangFormat.cmake
@@ -5,7 +5,15 @@
 
 find_program(CLANG_FORMAT_EXECUTABLE clang-format)
 
+if(CLANG_FORMAT_EXECUTABLE)
+  execute_process(COMMAND "${CLANG_FORMAT_EXECUTABLE}" --version
+                  OUTPUT_VARIABLE CLANG_FORMAT_VERSION
+                  OUTPUT_STRIP_TRAILING_WHITESPACE)
+  string(REGEX REPLACE ".* version (.*)" "\\1" CLANG_FORMAT_VERSION "${CLANG_FORMAT_VERSION}")
+endif()
+
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(ClangFormat REQUIRED_VARS CLANG_FORMAT_EXECUTABLE)
+find_package_handle_standard_args(ClangFormat REQUIRED_VARS CLANG_FORMAT_EXECUTABLE
+                                  VERSION_VAR CLANG_FORMAT_VERSION)
 
 mark_as_advanced(CLANG_FORMAT_EXECUTABLE)