coreutils/m4/strtoumax.m4
2004-08-05 23:01:03 +00:00

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# strtoumax.m4 serial 4
dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_STRTOUMAX],
[
dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
AC_REQUIRE([AC_PROG_CPP])
AC_REQUIRE([AC_PROG_EGREP])
AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
jm_cv_func_strtoumax_macro,
[AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
#ifdef strtoumax
inttypes_h_defines_strtoumax
#endif],
jm_cv_func_strtoumax_macro=yes,
jm_cv_func_strtoumax_macro=no)])
if test "$jm_cv_func_strtoumax_macro" != yes; then
AC_REPLACE_FUNCS(strtoumax)
if test $ac_cv_func_strtoumax = no; then
gl_PREREQ_STRTOUMAX
fi
fi
])
# Prerequisites of lib/strtoumax.c.
AC_DEFUN([gl_PREREQ_STRTOUMAX], [
gl_AC_TYPE_UINTMAX_T
AC_CHECK_DECLS(strtoull)
AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG])
])