Various configuration and portability related changes. See ChangeLog

[~andy/gtk] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index 9f99ab8e72c7a13ac5a7fa4766471dc7d7e2755b..938449a8aa91e2971afb22db2c8623d2f9e1d2f3 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,14 @@
-dnl aclocal.m4 generated automatically by aclocal 1.2
+dnl aclocal.m4 generated automatically by aclocal 1.2c
+
+dnl Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+dnl This Makefile.in is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+dnl PARTICULAR PURPOSE.
 
 # Do all the work for Automake.  This macro actually does too much --
 # some checks are only needed if your package does certain things.
@@ -58,7 +68,7 @@ echo timestamp > conftestfile
 # directory).
 if (
    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
-   if test "$@" = "X"; then
+   if test "[$]*" = "X"; then
       # -L didn't work.
       set X `ls -t $srcdir/configure conftestfile`
    fi
@@ -338,8 +348,7 @@ AC_DEFUN(AM_MAINTAINER_MODE,
 # If the C compiler in not in ANSI C mode by default, try to add an option
 # to output variable @code{CC} to make it so.  This macro tries various
 # options that select ANSI C on some system or another.  It considers the
-# compiler to be in ANSI C mode if it defines @code{__STDC__} to 1 and
-# handles function prototypes correctly.
+# compiler to be in ANSI C mode if it handles function prototypes correctly.
 #
 # If you use this macro, you should check after calling it whether the C
 # compiler has been set to accept ANSI C; if not, the shell variable
@@ -352,6 +361,10 @@ AC_DEFUN(AM_PROG_CC_STDC,
 [AC_REQUIRE([AC_PROG_CC])
 AC_BEFORE([$0], [AC_C_INLINE])
 AC_BEFORE([$0], [AC_C_CONST])
+dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
+dnl a magic option to avoid problems with ANSI preprocessor commands
+dnl like #elif.
+AC_BEFORE([$0], [AC_PROG_CPP])
 AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
 AC_CACHE_VAL(am_cv_prog_cc_stdc,
 [am_cv_prog_cc_stdc=no
@@ -366,18 +379,37 @@ for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__
 do
   CC="$ac_save_CC $ac_arg"
   AC_TRY_COMPILE(
-[#if !defined(__STDC__) || __STDC__ != 1
-choke me
-#endif
-/* DYNIX/ptx V4.1.3 can't compile sys/stat.h with -Xc -D__EXTENSIONS__. */
-#ifdef _SEQUENT_
-# include <sys/types.h>
-# include <sys/stat.h>
-#endif
-], [
+[#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
 int test (int i, double x);
 struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};],
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+], [
+return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
+],
 [am_cv_prog_cc_stdc="$ac_arg"; break])
 done
 CC="$ac_save_CC"