memory/patcher: declare __curbrk as extern in order not to generate a…

…n (unitialized) common symbol
open-mpi · May 16, 2016 · 4e21933 · 4e21933
1 parent e0fef39
commit 4e21933
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/opal/mca/memory/patcher/memory_patcher_component.c b/opal/mca/memory/patcher/memory_patcher_component.c
@@ -249,7 +249,7 @@ static int intercept_madvise (void *start, size_t length, int advice)
 #if defined SYS_brk
 
 #if OPAL_MEMORY_PATCHER_HAVE___CURBRK
-void *__curbrk; /* in libc */
+extern void *__curbrk; /* in libc */
 #endif
 
 static int (*original_brk) (void *);