X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=m4%2Flongdouble.m4;h=25590f4704d6a1905e47deef9bda479349d8b625;hb=d579893c5bf60c754a87eed16e552db08cfcdbdc;hp=40cd7ce02df6d355145e3eea5c70e6ee9fc3096a;hpb=f84a1c6e5c6173e7d0aea0fb2adde988ee5f7b27;p=lyx.git

diff --git a/m4/longdouble.m4 b/m4/longdouble.m4
index 40cd7ce02d..25590f4704 100644
--- a/m4/longdouble.m4
+++ b/m4/longdouble.m4
@@ -1,5 +1,5 @@
-# longdouble.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+# 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.
@@ -8,6 +8,9 @@ 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,