ooc test: create a ooc subdirectory in the build dir to write data on disk...

ooc test: create a ooc subdirectory in the build dir to write data on disk instead of /tmp/starpu_ooc because we must guarantee that the directory exists

example/out_of_core/CTestLists.cmake

@@ -6,6 +6,10 @@ set(TESTLIST
     out_of_core
     )
 
+# OOC tests required to create a directory where the data will be written on disk
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/ooc)
+
+# define tests
 foreach(test ${TESTLIST})
     add_test(example_ooc_${test} ./${test})
 endforeach()

example/out_of_core/out_of_core.c

@@ -96,7 +96,7 @@ int main(int argc, char *argv[]) {
     /* limit ram memory */
     if (iparam[IPARAM_OUTOFCORE] > 0) {
         int new_dd = starpu_disk_register (&starpu_disk_unistd_o_direct_ops,
-                                           (void*) "/tmp/starpu_ooc/", 1024*1024*10);
+                                           (void*) "./ooc/", 1024*1024*10);
     }
 
     MORSE_Desc_Create_User(&descA, NULL, MorseRealDouble,