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$NetBSD: patch-gcc_config_dragonfly.h,v 1.1 2013/05/20 05:47:34 adam Exp $
DragonFly BSD support.
--- ../gcc-4.1.2/gcc/config/dragonfly.h.orig 2013-05-19 08:51:14.000000000 +0000
+++ ../gcc-4.1.2/gcc/config/dragonfly.h
@@ -0,0 +1,87 @@
+/* Base configuration file for all DragonFly targets.
+ Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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.
+
+GCC 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 GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Common DragonFly configuration.
+ All DragonFly architectures should include this file, which will specify
+ their commonalities.
+ Adapted from gcc/config/i386/freebsd-elf.h by
+ David O'Brien <obrien@FreeBSD.org>.
+ Further work by David O'Brien <obrien@FreeBSD.org> and
+ Loren J. Rittle <ljrittle@acm.org>. */
+
+
+/* In case we need to know. */
+#define USING_CONFIG_DRAGONFLY 1
+
+/* This defines which switch letters take arguments. On DragonFly, most of
+ the normal cases (defined in gcc.c) apply, and we also have -h* and
+ -z* options (for the linker) (coming from SVR4).
+ We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */
+
+#undef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR) (DFLY_SWITCH_TAKES_ARG(CHAR))
+
+#undef WORD_SWITCH_TAKES_ARG
+#define WORD_SWITCH_TAKES_ARG(STR) (DFLY_WORD_SWITCH_TAKES_ARG(STR))
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() DFLY_TARGET_OS_CPP_BUILTINS()
+
+#undef CPP_SPEC
+#define CPP_SPEC DFLY_CPP_SPEC
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC DFLY_STARTFILE_SPEC
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC DFLY_ENDFILE_SPEC
+
+#undef LIB_SPEC
+#define LIB_SPEC DFLY_LIB_SPEC
+
+
+/************************[ Target stuff ]***********************************/
+
+/* All DragonFly Architectures support the ELF object file format. */
+#undef OBJECT_FORMAT_ELF
+#define OBJECT_FORMAT_ELF
+
+/* Don't assume anything about the header files. */
+#undef NO_IMPLICIT_EXTERN_C
+#define NO_IMPLICIT_EXTERN_C 1
+
+/* Make gcc agree with DragonFly's standard headers (<stddef.h>, etc...) */
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#define MATH_LIBRARY_PROFILE "-lm_p"
+
+/* Code generation parameters. */
+
+/* Use periods rather than dollar signs in special g++ assembler names.
+ This ensures the configuration knows our system correctly so we can link
+ with libraries compiled with the native cc. */
+#undef NO_DOLLAR_IN_LABEL
+
+/* Used by libgcc2.c. We support file locking with fcntl / F_SETLKW.
+ This enables the test coverage code to use file locking when exiting a
+ program, which avoids race conditions if the program has forked. */
+#define TARGET_HAS_F_SETLKW
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