Add an hidden option to enable ucontext on Mac.

[simgrid.git] / buildtools / Cmake / CompleteInFiles.cmake

diff --git a/buildtools/Cmake/CompleteInFiles.cmake b/buildtools/Cmake/CompleteInFiles.cmake
index 4ec0567..bad66b1 100644 (file)
--- a/buildtools/Cmake/CompleteInFiles.cmake
+++ b/buildtools/Cmake/CompleteInFiles.cmake
@@ -82,6 +82,7 @@ CHECK_FUNCTION_EXISTS(asprintf HAVE_ASPRINTF)
 CHECK_FUNCTION_EXISTS(vasprintf HAVE_VASPRINTF)
 CHECK_FUNCTION_EXISTS(makecontext HAVE_MAKECONTEXT)
 CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
+CHECK_FUNCTION_EXISTS(mergesort HAVE_MERGESORT)
 
 #Check if __thread is defined
 exec_program("${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/test_prog/prog_thread_storage.c" 
@@ -218,11 +219,16 @@ ELSE(CMAKE_CROSSCOMPILING)
                        file(READ "${simgrid_BINARY_DIR}/conftestval" mcsc)
                        STRING(REPLACE "\n" "" mcsc "${mcsc}")
                        if(mcsc)
-                               set(mcsc "yes")
-                       elseif(mcsc)
+                           if(APPLE AND NOT ucontext) # TODO for the moment ucontext don't work on MAC OSX
+                               set(mcsc "no") 
+                           else(APPLE AND NOT ucontext)
+                               set(mcsc "yes")
+                               set(HAVE_UCONTEXT_H 1)
+                               endif(APPLE AND NOT ucontext)
+                       else(mcsc)
                                set(mcsc "no")
                        endif(mcsc)
-               else(EXISTS "${simgrid_BINARY_DIR}/conftestval" AND COMPILE_mcsc_VAR)
+           else(EXISTS "${simgrid_BINARY_DIR}/conftestval" AND COMPILE_mcsc_VAR)
                        set(mcsc "no")
                endif(EXISTS "${simgrid_BINARY_DIR}/conftestval" AND COMPILE_mcsc_VAR)
 ENDIF(CMAKE_CROSSCOMPILING)