X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e492be5ee5e8a76eef7899758c841c618ccf505d..73fd63288c5dbb4664e882fba1d936c602e7a487:/buildtools/Cmake/CompleteInFiles.cmake

diff --git a/buildtools/Cmake/CompleteInFiles.cmake b/buildtools/Cmake/CompleteInFiles.cmake
index 6c59857711..30c3610f52 100644
--- a/buildtools/Cmake/CompleteInFiles.cmake
+++ b/buildtools/Cmake/CompleteInFiles.cmake
@@ -219,10 +219,12 @@ if(pthread)
 		             OUTPUT_VARIABLE HAVE_SEM_OPEN_run)
 	    	if(HAVE_SEM_OPEN_run)
 			set(HAVE_SEM_OPEN 0)
+			message(STATUS "Warning: sem_open not compilable")
 	    	else(HAVE_SEM_OPEN_run)
 			exec_program("./testprog" RETURN_VALUE HAVE_SEM_OPEN_run2 OUTPUT_VARIABLE var_compil)
 		    	if(HAVE_SEM_OPEN_run2)
 				set(HAVE_SEM_OPEN 0)
+				message(STATUS "Warning: sem_open not executable")
 	    		else(HAVE_SEM_OPEN_run2)
 				set(HAVE_SEM_OPEN 1)
 	    		endif(HAVE_SEM_OPEN_run2)	
@@ -236,10 +238,12 @@ if(pthread)
 		             OUTPUT_VARIABLE HAVE_SEM_INIT_run)
 	    	if(HAVE_SEM_INIT_run)
 			set(HAVE_SEM_INIT 0)
+			message(STATUS "Warning: sem_init not compilable")
 	    	else(HAVE_SEM_INIT_run)
 			exec_program("./testprog" RETURN_VALUE HAVE_SEM_INIT_run OUTPUT_VARIABLE var_compil)
 			if(HAVE_SEM_INIT_run)
 				set(HAVE_SEM_INIT 0)
+				message(STATUS "Warning: sem_init not executable")
 			else(HAVE_SEM_INIT_run)
 				set(HAVE_SEM_INIT 1)
 			endif(HAVE_SEM_INIT_run)
@@ -249,7 +253,7 @@ if(pthread)
   	endif(HAVE_SEM_INIT_LIB)
 
 	if(NOT HAVE_SEM_OPEN AND NOT HAVE_SEM_INIT)
-		message(FATAL_ERROR "Semaphores are not usable, but they are mandatory to threads (you may need to mount /dev).")
+		message(FATAL_ERROR "Semaphores are not usable (neither sem_open nor sem_init is both compilable and executable), but they are mandatory to threads (you may need to mount /dev).")
 	endif(NOT HAVE_SEM_OPEN AND NOT HAVE_SEM_INIT)
 
 	### Test that we have a way to timewait for semaphores