Correctly determine whether pow is available in libc on AIX 7 with xlc.

[gnulib.git] / lib / float.in.h

diff --git a/lib/float.in.h b/lib/float.in.h
index d61d630..caf822f 100644 (file)
--- a/lib/float.in.h
+++ b/lib/float.in.h
@@ -1,11 +1,11 @@
 /* A correct <float.h>.
 
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,11 +13,14 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef _GL_FLOAT_H
 
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
 /* The include_next requires a split double-inclusion guard.  */
 #@INCLUDE_NEXT@ @NEXT_FLOAT_H@
 
@@ -25,7 +28,7 @@
 #define _GL_FLOAT_H
 
 /* 'long double' properties.  */
-#if defined __i386__ && defined __BEOS__
+#if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__)
 /* Number of mantissa units, in base FLT_RADIX.  */
 # undef LDBL_MANT_DIG
 # define LDBL_MANT_DIG   64