configure.in: Look for <sys/stat.h>.

        * configure.in: Look for <sys/stat.h>.
        * system.h: Include it before substitute S_ISREG definitions.

From-SVN: r23812

gcc/ChangeLog

+Mon Nov 23 16:39:04 1998  Richard Henderson  <rth@cygnus.com>
+
+        * configure.in: Look for <sys/stat.h>.
+        * system.h: Include it before substitute S_ISREG definitions.
+
 Mon Nov 23 17:40:37 1998  Gavin Romig-Koch  <gavin@cygnus.com>
 
 	* config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.

gcc/config.in

@@ -215,6 +215,9 @@
 /* Define if you have the <sys/resource.h> header file.  */
 #undef HAVE_SYS_RESOURCE_H
 
+/* Define if you have the <sys/stat.h> header file.  */
+#undef HAVE_SYS_STAT_H
+
 /* Define if you have the <sys/time.h> header file.  */
 #undef HAVE_SYS_TIME_H
 

gcc/configure.in

@@ -332,7 +332,7 @@ AC_HEADER_STDC
 AC_HEADER_TIME
 GCC_HEADER_STRING
 AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unistd.h stab.h sys/file.h sys/time.h sys/resource.h sys/param.h sys/times.h)
+AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unistd.h stab.h sys/file.h sys/time.h sys/resource.h sys/param.h sys/times.h sys/stat.h)
 
 # Check for thread headers.
 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])

gcc/system.h

@@ -356,6 +356,9 @@ extern void abort ();
 #define _(String) String
 #define N_(String) String
 
+#if HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
 
 /* Test if something is a normal file.  */
 #ifndef S_ISREG