From 9c41849040f2c7d0c6d61bd7d1b438d53db617f0 Mon Sep 17 00:00:00 2001
From: Vedant Kumar <vsk@apple.com>
Date: Thu, 7 Sep 2017 01:36:47 +0000
Subject: [cmake] Work around more -Wunused-driver-argument warnings

add_compiler_rt_object_libraries should strip out the -msse3 option on
non-macOS Apple platforms.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@312688 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/Modules/AddCompilerRT.cmake | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'cmake')

diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake
index 622292ede..700c31f16 100644
--- a/cmake/Modules/AddCompilerRT.cmake
+++ b/cmake/Modules/AddCompilerRT.cmake
@@ -56,8 +56,15 @@ function(add_compiler_rt_object_libraries name)
 
   foreach(libname ${libnames})
     add_library(${libname} OBJECT ${LIB_SOURCES})
+
+    # Strip out -msse3 if this isn't macOS.
+    set(target_flags ${LIB_CFLAGS})
+    if(APPLE AND NOT "${libname}" MATCHES ".*\.osx.*")
+      list(REMOVE_ITEM target_flags "-msse3")
+    endif()
+
     set_target_compile_flags(${libname}
-      ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${LIB_CFLAGS})
+      ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${target_flags})
     set_property(TARGET ${libname} APPEND PROPERTY
       COMPILE_DEFINITIONS ${LIB_DEFS})
     set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries")
-- 
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