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Note that due to an m4 bug, you need at least m4 1.4.5, and autoconf built with the newer version of m4, to run autoconf on the source now (this does not apply if you're just running ./configure from a tarball). svn path=/trunk/yasm/; revision=1768
28 lines
1 KiB
Text
28 lines
1 KiB
Text
# longdouble.m4 serial 1 (gettext-0.12)
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dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Bruno Haible.
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dnl Test whether the compiler supports the 'long double' type.
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dnl Prerequisite: AC_PROG_CC
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AC_DEFUN([gt_TYPE_LONGDOUBLE],
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[
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AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
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[if test "$GCC" = yes; then
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gt_cv_c_long_double=yes
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else
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AC_TRY_COMPILE([
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/* The Stardent Vistra knows sizeof(long double), but does not support it. */
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long double foo = 0.0;
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/* On Ultrix 4.3 cc, long double is 4 and double is 8. */
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int array [2*(sizeof(long double) >= sizeof(double)) - 1];
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], ,
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gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
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fi])
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if test $gt_cv_c_long_double = yes; then
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AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
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fi
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])
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