(main): Don't call signal for undefined signal names.

From-SVN: r4144

diff --git a/gcc/toplev.c b/gcc/toplev.c
index dfaf1681233726732d57c75854281931f55dc23f..0d9dacf0566f4a79dab9497783a56fbcf8bd929c 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -2832,7 +2832,9 @@ main (argc, argv, envp)
 
   signal (SIGFPE, float_signal);
 
+#ifdef SIGPIPE
   signal (SIGPIPE, pipe_closed);
+#endif
 
   decl_printable_name = decl_name;
   lang_expand_expr = (struct rtx_def *(*)()) do_abort;