mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-20 10:23:57 +00:00
70 lines
2.3 KiB
Plaintext
70 lines
2.3 KiB
Plaintext
# strtoll.m4
|
|
# serial 12
|
|
dnl Copyright (C) 2002, 2004, 2006, 2008-2024 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_STRTOLL],
|
|
[
|
|
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
|
|
AC_REQUIRE([AC_CANONICAL_HOST])
|
|
AC_CHECK_FUNCS([strtoll])
|
|
if test $ac_cv_func_strtoll = yes; then
|
|
AC_CACHE_CHECK([whether strtoll works],
|
|
[gl_cv_func_strtoll_works],
|
|
[AC_RUN_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[[#include <stdlib.h>]],
|
|
[[int result = 0;
|
|
char *term;
|
|
/* This test fails on Minix and native Windows. */
|
|
{
|
|
static char const input[2][3] = {"0x", "0b"};
|
|
static int const base[] = {0, 2, 10};
|
|
int i, j;
|
|
for (i = 0; i < 2; i++)
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
(void) strtoll (input[i], &term, base[j]);
|
|
if (term != input[i] + 1)
|
|
result |= 1;
|
|
}
|
|
}
|
|
/* This test fails on pre-C23 platforms. */
|
|
{
|
|
const char input[] = "0b1";
|
|
(void) strtoll (input, &term, 2);
|
|
if (term != input + 3)
|
|
result |= 2;
|
|
}
|
|
return result;
|
|
]])
|
|
],
|
|
[gl_cv_func_strtoll_works=yes],
|
|
[gl_cv_func_strtoll_works=no],
|
|
[case "$host_os" in
|
|
# Guess no on native Windows.
|
|
mingw* | windows*) gl_cv_func_strtoll_works="guessing no" ;;
|
|
# Guess no on glibc systems.
|
|
*-gnu* | gnu*) gl_cv_func_strtoll_works="guessing no" ;;
|
|
# Guess no on musl systems.
|
|
*-musl* | midipix*) gl_cv_func_strtoll_works="guessing no" ;;
|
|
*) gl_cv_func_strtoll_works="$gl_cross_guess_normal" ;;
|
|
esac
|
|
])
|
|
])
|
|
case "$gl_cv_func_strtoll_works" in
|
|
*yes) ;;
|
|
*) REPLACE_STRTOLL=1 ;;
|
|
esac
|
|
else
|
|
HAVE_STRTOLL=0
|
|
fi
|
|
])
|
|
|
|
# Prerequisites of lib/strtoll.c.
|
|
AC_DEFUN([gl_PREREQ_STRTOLL], [
|
|
:
|
|
])
|