Merge pull request #25597 from compnerd/modern-flag-handling

SourceKit: use `add_compile_options` (NFCI)

Author: compnerd

tools/SourceKit/CMakeLists.txt

@@ -89,8 +89,7 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
       set(CMAKE_XCODE_ATTRIBUTE_IPHONEOS_DEPLOYMENT_TARGET ${SOURCEKIT_DEPLOYMENT_TARGET})
     endif()
   else()
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m${version_min_os}-version-min=${SOURCEKIT_DEPLOYMENT_TARGET}")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m${version_min_os}-version-min=${SOURCEKIT_DEPLOYMENT_TARGET}")
+    add_compile_options(-m${version_min_os}-version-min=${SOURCEKIT_DEPLOYMENT_TARGET})
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m${version_min_os}-version-min=${SOURCEKIT_DEPLOYMENT_TARGET}")
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m${version_min_os}-version-min=${SOURCEKIT_DEPLOYMENT_TARGET}")
   endif()