* configure.in :Handle OpenBSD platforms.

        * configure: Rebuilt.
        * config/openbsd.h: New file.
        * config/xm-openbsd.h: New file.
        * config/t-openbsd: New file.
        * config/t-openbsd-thread: New file.

From-SVN: r25293

1 files changed, 35 insertions, 0 deletions

diff --git a/gcc/config/xm-openbsd.h b/gcc/config/xm-openbsd.h
new file mode 100644
index 0000000..74a8421
--- /dev/null
+++ b/gcc/config/xm-openbsd.h
@@ -0,0 +1,35 @@
+/* Configuration fragment for hosts running a version of OpenBSD.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+/* This file gets included by all architectures. It holds stuff
+   that ought to be defined when hosting a compiler on an OpenBSD
+   machine, independently of the architecture. It's included by
+   ${cpu_type}/xm-openbsd.h, not included directly.  */
+
+/* OpenBSD is trying to be POSIX-compliant, to the point of fixing
+   problems that may occur with gcc's interpretation.  */
+#undef POSIX
+#define POSIX
+
+/* Ensure we get gnu C's defaults.  */
+#ifdef __GNUC__
+#define alloca __builtin_alloca
+#endif
+
+