From 5c909fa013fc285f010a95e8d387e0ef3412da9c Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 30 Dec 2015 11:52:19 +0000
Subject: Vendor import of compiler-rt trunk r256633:
 https://llvm.org/svn/llvm-project/compiler-rt/trunk@256633

---
 cmake/Modules/CompilerRTCompile.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'cmake/Modules/CompilerRTCompile.cmake')

diff --git a/cmake/Modules/CompilerRTCompile.cmake b/cmake/Modules/CompilerRTCompile.cmake
index b2e62dd0bac64..48f40bf4f7530 100644
--- a/cmake/Modules/CompilerRTCompile.cmake
+++ b/cmake/Modules/CompilerRTCompile.cmake
@@ -49,6 +49,10 @@ macro(clang_compile object_file source)
     translate_msvc_cflags(global_flags "${global_flags}")
   endif()
 
+  if (APPLE)
+    set(global_flags ${OSX_SYSROOT_FLAG} ${global_flags})
+  endif()
+
   # Ignore unknown warnings. CMAKE_CXX_FLAGS may contain GCC-specific options
   # which are not supported by Clang.
   list(APPEND global_flags -Wno-unknown-warning-option)
@@ -72,7 +76,7 @@ endmacro()
 macro(clang_compiler_add_cxx_check)
   if (APPLE)
     set(CMD
-      "echo '#include <iostream>' | ${COMPILER_RT_TEST_COMPILER} -E -x c++ - > /dev/null"
+      "echo '#include <iostream>' | ${COMPILER_RT_TEST_COMPILER} ${OSX_SYSROOT_FLAG} -E -x c++ - > /dev/null"
       "if [ $? != 0 ] "
       "  then echo"
       "  echo 'Your just-built clang cannot find C++ headers, which are needed to build and run compiler-rt tests.'"
-- 
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