X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a2edf8c05c4c543c8926cb454d2fb66cb5e8a0d8..404c50aac04e8ea4708cad0b80290945d4d07838:/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14db0b4bab..0217261ba6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -516,11 +516,10 @@ endif()
 
 if(NOT HAVE_UCONTEXT_H)
   message("-- No ucontext factory: <ucontext.h> not found.")
+elseif(APPLE)
+  message("-- No ucontext factory: Apple don't want us to use them.")
+  set(HAVE_UCONTEXT_H 0)
 else()
-  # This is needed for ucontext on MacOS X:
-  if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-    add_definitions(-D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE)
-  endif()
   try_compile(compile_makecontext ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_makecontext.c
     OUTPUT_VARIABLE compile_makecontext_output)