"Fossies" - the Fresh Open Source Software Archive

Member "dnotify-0.18.0/m4/longdouble.m4" (18 Jul 2004, 1216 Bytes) of package /linux/privat/old/dnotify-0.18.0.tar.gz:


As a special service "Fossies" has tried to format the requested text file into HTML format (style: standard) with prefixed line numbers. Alternatively you can here view or download the uninterpreted source code file.

    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 ])