From 412a8d7a831005ae26680670c584fd9e5e6ad10e Mon Sep 17 00:00:00 2001
From: David Zarzycki <dave@znu.io>
Date: Fri, 6 Sep 2019 07:12:36 +0000
Subject: [PATCH] [CMake] LLVM_COMPILE_FLAGS also applies to C files

LLVM_COMPILE_FLAGS also applies to C files, otherwise tuning flags,
etc. won't be picked up.

https://reviews.llvm.org/D67171

llvm-svn: 371173
---
 llvm/cmake/modules/AddLLVM.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
index 717ce8ff1684..832f261bbea8 100644
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -58,7 +58,7 @@ function(llvm_update_compile_flags name)
   if(update_src_props)
     foreach(fn ${sources})
       get_filename_component(suf ${fn} EXT)
-      if("${suf}" STREQUAL ".cpp")
+      if("${suf}" STREQUAL ".cpp" OR "${suf}" STREQUAL ".c")
         set_property(SOURCE ${fn} APPEND_STRING PROPERTY
           COMPILE_FLAGS "${target_compile_flags}")
       endif()