libgcov: Call __builtin_fork instead of fork

Some targets do not provide a prototype for fork, and compilation now
fails with an implicit-function-declaration error.

libgcc/

	* libgcov-interface.c (__gcov_fork): Use __builtin_fork instead
	of fork.

diff --git a/libgcc/libgcov-interface.c b/libgcc/libgcov-interface.c
index b2ee930864183b78c8826255183ca86e15e21ded..d166e98510d41ee7958b880175b50df9e6df9315 100644 (file)
--- a/libgcc/libgcov-interface.c
+++ b/libgcc/libgcov-interface.c
@@ -182,7 +182,7 @@ pid_t
 __gcov_fork (void)
 {
   pid_t pid;
-  pid = fork ();
+  pid = __builtin_fork ();
   if (pid == 0)
     {
       __GTHREAD_MUTEX_INIT_FUNCTION (&__gcov_mx);