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# strtoul.m4 serial 6
dnl Copyright (C) 2002, 2006, 2009-2021 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.
AC_DEFUN([gl_FUNC_STRTOUL],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CHECK_FUNCS([strtoul])
if test $ac_cv_func_strtoul = yes; then
AC_CACHE_CHECK([whether strtoul works],
[gl_cv_func_strtoul_works],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stdlib.h>]],
[[int result = 0;
char *term;
/* This test fails on Minix and native Windows. */
{
const char input[] = "0x";
(void) strtoul (input, &term, 16);
if (term != input + 1)
result |= 1;
}
return result;
]])
],
[gl_cv_func_strtoul_works=yes],
[gl_cv_func_strtoul_works=no],
[case "$host_os" in
# Guess no on native Windows.
mingw*) gl_cv_func_strtoul_works="guessing no" ;;
*) gl_cv_func_strtoul_works="$gl_cross_guess_normal" ;;
esac
])
])
case "$gl_cv_func_strtoul_works" in
*yes) ;;
*) REPLACE_STRTOUL=1 ;;
esac
else
HAVE_STRTOUL=0
fi
])
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