Don't use -pthreads on Mac OS X

Clang is not happy about it.

diff --git a/buildtools/Cmake/MakeLib.cmake b/buildtools/Cmake/MakeLib.cmake
index fc2aa83..d28e29d 100644 (file)
--- a/buildtools/Cmake/MakeLib.cmake
+++ b/buildtools/Cmake/MakeLib.cmake
@@ -56,10 +56,9 @@ else()
   set(SIMGRID_DEP "${SIMGRID_DEP} -lstdc++")
 endif()
 
   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)
 endif()
 
 if(HAVE_LUA)