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authorSteve Langasek <steve.langasek@ubuntu.com>2019-01-03 12:48:14 -0800
committerSteve Langasek <steve.langasek@ubuntu.com>2019-01-03 12:48:14 -0800
commitd5b06b67bbeeed7c05c0eb2e05d6a972ad050d1c (patch)
treeba5654cffacfd2002eefc5bc3764a7971afff1dc /Linux-PAM/m4/longdouble.m4
parent4c51da22e068907adb7857d50f5109a467c94d7c (diff)
parent7cbfa335c57d068d59508c844f3957165cccfb9b (diff)
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New upstream version 0.99.7.1
Diffstat (limited to 'Linux-PAM/m4/longdouble.m4')
-rw-r--r--Linux-PAM/m4/longdouble.m431
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+# 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,
+ [if test "$GCC" = yes; then
+ 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)
+ fi])
+ if test $gt_cv_c_long_double = yes; then
+ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
+ fi
+])