diff -ur ../orig-autoconf/ChangeLog ./ChangeLog
--- ../orig-autoconf/ChangeLog	Wed May 29 14:23:12 2002
+++ ./ChangeLog	Wed May 29 16:01:59 2002
@@ -1,3 +1,8 @@
+2002-05-29  Peter Eisentraut  <address@hidden>
+
+	* lib/autoconf/c.m4 (AC_LANG_PROGRAM(C)): Use
+	_AC_LANG_PROGRAM_C_F77_HOOKS.
+
 2002-05-27  Paul Eggert  <address@hidden>
 
 	* lib/autoconf/types.m4 (AC_TYPE_MBSTATE_T): New macro.
diff -ur ../orig-autoconf/lib/autoconf/c.m4 ./lib/autoconf/c.m4
--- ../orig-autoconf/lib/autoconf/c.m4	Mon Apr 22 18:57:22 2002
+++ ./lib/autoconf/c.m4	Wed May 29 15:26:46 2002
@@ -129,12 +129,7 @@
 # --------------------------------------
 m4_define([AC_LANG_PROGRAM(C)],
 [$1
-#ifdef F77_DUMMY_MAIN
-#  ifdef __cplusplus
-     extern "C"
-#  endif
-   int F77_DUMMY_MAIN() { return 1; }
-#endif
+m4_ifdef([_AC_LANG_PROGRAM_C_F77_HOOKS], [_AC_LANG_PROGRAM_C_F77_HOOKS])[]dnl
 int
 main ()
 {