[llvm] r301017 - Fixup for r301007: Restrict the -D hack to Darwin.

[Kuba Mracek via llvm-commits]

Author: kuba.brecka
Date: Fri Apr 21 13:19:56 2017
New Revision: 301017

URL: http://llvm.org/viewvc/llvm-project?rev=301017&view=rev
Log:
Fixup for r301007: Restrict the -D hack to Darwin.


Modified:
    llvm/trunk/lib/Fuzzer/CMakeLists.txt

Modified: llvm/trunk/lib/Fuzzer/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/CMakeLists.txt?rev=301017&r1=301016&r2=301017&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/CMakeLists.txt Fri Apr 21 13:19:56 2017
@@ -1,14 +1,16 @@
 include(CheckCXXSourceCompiles)
 
-CHECK_CXX_SOURCE_COMPILES("
-    static thread_local int blah;
-    int main() {
-      return 0;
-    }
-    " HAS_THREAD_LOCAL)
+if( APPLE )
+  CHECK_CXX_SOURCE_COMPILES("
+      static thread_local int blah;
+      int main() {
+        return 0;
+      }
+      " HAS_THREAD_LOCAL)
 
-if( NOT HAS_THREAD_LOCAL )
+  if( NOT HAS_THREAD_LOCAL )
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Dthread_local=__thread")
+  endif()
 endif()
 
 set(LIBFUZZER_FLAGS_BASE "${CMAKE_CXX_FLAGS}")