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# strcasecmp.m4
# serial 3
dnl Copyright (C) 2002-2025 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 file is offered as-is, without any warranty.
AC_DEFUN([gl_FUNC_STRCASECMP],
[
AC_REQUIRE([gl_STRINGS_H_DEFAULTS])
AC_CHECK_FUNCS([strcasecmp])
if test $ac_cv_func_strcasecmp = yes; then
gl_STRCASECMP_WORKS
case "$gl_cv_func_strcasecmp_works" in
*yes) ;;
*) REPLACE_STRCASECMP=1 ;;
esac
else
HAVE_STRCASECMP=0
fi
])
AC_DEFUN([gl_STRCASECMP_WORKS],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CACHE_CHECK([whether strcasecmp works],
[gl_cv_func_strcasecmp_works],
[dnl Prepare a guess, used when cross-compiling or when specific locales
dnl are not available.
case "$host_os" in
solaris* | cygwin*)
gl_cv_func_strcasecmp_works="guessing no" ;;
*)
gl_cv_func_strcasecmp_works="guessing yes" ;;
esac
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdio.h>
#include <ctype.h>
#include <locale.h>
#include <strings.h>
int main ()
{
if (setlocale (LC_ALL, "fr_FR.ISO-8859-1") != NULL
|| setlocale (LC_ALL, "fr_FR.ISO8859-1") != NULL)
{
int c1 = (unsigned char) '\311';
int c2 = (unsigned char) '\351';
if (tolower (c1) == c2 && toupper (c2) == c1)
return strcasecmp ("Fej\311r", "Fej\351r") != 0;
}
return 2;
}]])],
[gl_cv_func_strcasecmp_works=yes],
[if test $? = 1; then
gl_cv_func_strcasecmp_works=no
fi
],
[:])
])
])
# Prerequisites of lib/strcasecmp.c.
AC_DEFUN([gl_PREREQ_STRCASECMP], [
:
])
|
