From c16407d4a40521a5adcb36356f356e2fb2161409 Mon Sep 17 00:00:00 2001
From: Gabriel Corona <gabriel.corona@loria.fr>
Date: Tue, 16 Jun 2015 13:39:39 +0200
Subject: [PATCH] Don't use -pthreads on Mac OS X

Clang is not happy about it.
---
 buildtools/Cmake/MakeLib.cmake | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/buildtools/Cmake/MakeLib.cmake b/buildtools/Cmake/MakeLib.cmake
index fc2aa83844..d28e29d14b 100644
--- a/buildtools/Cmake/MakeLib.cmake
+++ b/buildtools/Cmake/MakeLib.cmake
@@ -56,10 +56,9 @@ else()
   set(SIMGRID_DEP "${SIMGRID_DEP} -lstdc++")
 endif()
 
-if(pthread)
-  if(${CONTEXT_THREADS})
-    SET(SIMGRID_DEP "${SIMGRID_DEP} -pthread")
-  endif()
+if(pthread AND ${CONTEXT_THREADS} AND NOT APPLE)
+  # Clang on recent Mac OS X is not happy about -pthread.
+  SET(SIMGRID_DEP "${SIMGRID_DEP} -pthread")
 endif()
 
 if(HAVE_LUA)
-- 
2.20.1