[CMake] Silence stderr on "COMMAND ${CMAKE_C_COMPILER} -Wl,--version". It was noisy...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225260 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index bc65fd9..ee55c52 100644 (file)
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -146,6 +146,7 @@ if(NOT WIN32 AND NOT APPLE)
   execute_process(
     COMMAND ${CMAKE_C_COMPILER} -Wl,--version
     OUTPUT_VARIABLE stdout
+    ERROR_QUIET
     )
   if("${stdout}" MATCHES "GNU gold")
     set(LLVM_LINKER_IS_GOLD ON)