more rigorous SIGCHLD guarding

[pf3gnuchains/gcc-fork.git] / gcc / gcc.c

diff --git a/gcc/gcc.c b/gcc/gcc.c
index 8477c00..967bbba 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -73,6 +73,9 @@ compilation is specified by a string called a "spec".  */
 #include "config.h"
 #include "system.h"
 #include <signal.h>
 #include "config.h"
 #include "system.h"
 #include <signal.h>

+#if ! defined( SIGCHLD ) && defined( SIGCLD )
+#  define SIGCHLD SIGCLD
+#endif

 #include "obstack.h"
 #include "intl.h"
 #include "prefix.h"
 #include "obstack.h"
 #include "intl.h"
 #include "prefix.h"


@@ -5517,9 +5520,11 @@ main (argc, argv)
   if (signal (SIGPIPE, SIG_IGN) != SIG_IGN)
     signal (SIGPIPE, fatal_error);
 #endif
   if (signal (SIGPIPE, SIG_IGN) != SIG_IGN)
     signal (SIGPIPE, fatal_error);
 #endif

+#ifdef SIGCHLD

   /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
      receive the signal.  A different setting is inheritable */
   signal (SIGCHLD, SIG_DFL);
   /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
      receive the signal.  A different setting is inheritable */
   signal (SIGCHLD, SIG_DFL);

+#endif

 
   argbuf_length = 10;
   argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *));
 
   argbuf_length = 10;
   argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *));