101 lines
3.1 KiB
Plaintext
101 lines
3.1 KiB
Plaintext
|
dnl aclocal.m4 generated automatically by aclocal 1.4-p4
|
||
|
|
|
||
|
|
dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
|
||
|
|
dnl This file 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.
|
||
|
|
|
||
|
|
|
||
|
|
# serial 1
|
||
|
|
|
||
|
|
# @defmac AC_PROG_CC_STDC
|
||
|
|
# @maindex PROG_CC_STDC
|
||
|
|
# @ovindex CC
|
||
|
|
# 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 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
|
||
|
|
# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
|
||
|
|
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
|
||
|
|
# program @code{ansi2knr}, which comes with Ghostscript.
|
||
|
|
# @end defmac
|
||
|
|
|
||
|
|
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.
|
||
|
|
dnl FIXME: can't do this because then AC_AIX won't work due to a
|
||
|
|
dnl circular dependency.
|
||
|
|
dnl AC_BEFORE([$0], [AC_PROG_CPP])
|
||
|
|
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
|
||
|
|
AC_CACHE_VAL(am_cv_prog_cc_stdc,
|
||
|
|
[am_cv_prog_cc_stdc=no
|
||
|
|
ac_save_CC="$CC"
|
||
|
|
# Don't try gcc -ansi; that turns off useful extensions and
|
||
|
|
# breaks some systems' header files.
|
||
|
|
# AIX -qlanglvl=ansi
|
||
|
|
# Ultrix and OSF/1 -std1
|
||
|
|
# HP-UX -Aa -D_HPUX_SOURCE
|
||
|
|
# SVR4 -Xc -D__EXTENSIONS__
|
||
|
|
for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
|
||
|
|
do
|
||
|
|
CC="$ac_save_CC $ac_arg"
|
||
|
|
AC_TRY_COMPILE(
|
||
|
|
[#include <stdarg.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
|
||
|
|
struct buf { int x; };
|
||
|
|
FILE * (*rcsopen) (struct buf *, struct stat *, int);
|
||
|
|
static char *e (p, i)
|
||
|
|
char **p;
|
||
|
|
int i;
|
||
|
|
{
|
||
|
|
return p[i];
|
||
|
|
}
|
||
|
|
static char *f (char * (*g) (char **, int), char **p, ...)
|
||
|
|
{
|
||
|
|
char *s;
|
||
|
|
va_list v;
|
||
|
|
va_start (v,p);
|
||
|
|
s = g (p, va_arg (v,int));
|
||
|
|
va_end (v);
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
int test (int i, double x);
|
||
|
|
struct s1 {int (*f) (int a);};
|
||
|
|
struct s2 {int (*f) (double a);};
|
||
|
|
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
|
||
|
|
int argc;
|
||
|
|
char **argv;
|
||
|
|
], [
|
||
|
|
return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
|
||
|
|
],
|
||
|
|
[am_cv_prog_cc_stdc="$ac_arg"; break])
|
||
|
|
done
|
||
|
|
CC="$ac_save_CC"
|
||
|
|
])
|
||
|
|
if test -z "$am_cv_prog_cc_stdc"; then
|
||
|
|
AC_MSG_RESULT([none needed])
|
||
|
|
else
|
||
|
|
AC_MSG_RESULT($am_cv_prog_cc_stdc)
|
||
|
|
fi
|
||
|
|
case "x$am_cv_prog_cc_stdc" in
|
||
|
|
x|xno) ;;
|
||
|
|
*) CC="$CC $am_cv_prog_cc_stdc" ;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
|