Contents of /trunk/xmms/gentoo-m4/longdouble.m4
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Tue May 8 20:52:56 2007 UTC (17 years, 4 months ago) by niro
File size: 1216 byte(s)
Tue May 8 20:52:56 2007 UTC (17 years, 4 months ago) by niro
File size: 1216 byte(s)
-import
1 | # longdouble.m4 serial 1 (gettext-0.12) |
2 | dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. |
3 | dnl This file is free software, distributed under the terms of the GNU |
4 | dnl General Public License. As a special exception to the GNU General |
5 | dnl Public License, this file may be distributed as part of a program |
6 | dnl that contains a configuration script generated by Autoconf, under |
7 | dnl the same distribution terms as the rest of that program. |
8 | |
9 | dnl From Bruno Haible. |
10 | dnl Test whether the compiler supports the 'long double' type. |
11 | dnl Prerequisite: AC_PROG_CC |
12 | |
13 | AC_DEFUN([gt_TYPE_LONGDOUBLE], |
14 | [ |
15 | AC_CACHE_CHECK([for long double], gt_cv_c_long_double, |
16 | [if test "$GCC" = yes; then |
17 | gt_cv_c_long_double=yes |
18 | else |
19 | AC_TRY_COMPILE([ |
20 | /* The Stardent Vistra knows sizeof(long double), but does not support it. */ |
21 | long double foo = 0.0; |
22 | /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ |
23 | int array [2*(sizeof(long double) >= sizeof(double)) - 1]; |
24 | ], , |
25 | gt_cv_c_long_double=yes, gt_cv_c_long_double=no) |
26 | fi]) |
27 | if test $gt_cv_c_long_double = yes; then |
28 | AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.]) |
29 | fi |
30 | ]) |