-# longdouble.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 2002-2003 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.
+# longdouble.m4 serial 2 (gettext-0.15)
+dnl Copyright (C) 2002-2003, 2006 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 From Bruno Haible.
dnl Test whether the compiler supports the 'long double' type.
dnl Prerequisite: AC_PROG_CC
+dnl This file is only needed in autoconf <= 2.59. Newer versions of autoconf
+dnl have a macro AC_TYPE_LONG_DOUBLE with identical semantics.
+
AC_DEFUN([gt_TYPE_LONGDOUBLE],
[
AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
gt_cv_c_long_double=yes
else
AC_TRY_COMPILE([
- /* The Stardent Vistra knows sizeof(long double), but does not support it. */
- long double foo = 0.0;
- /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
- int array [2*(sizeof(long double) >= sizeof(double)) - 1];
- ], ,
- gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
+ /* The Stardent Vistra knows sizeof(long double), but does not support it. */
+ long double foo = 0.0;
+ /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
+ int array [2*(sizeof(long double) >= sizeof(double)) - 1];
+ ], ,
+ gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
fi])
if test $gt_cv_c_long_double = yes; then
AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])