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$NetBSD: patch-gcc_config_dragonfly-spec.h,v 1.1 2013/05/20 05:47:34 adam Exp $
DragonFly BSD support.
--- ../gcc-4.1.2/gcc/config/dragonfly-spec.h.orig 2013-05-19 08:50:27.000000000 +0000
+++ ../gcc-4.1.2/gcc/config/dragonfly-spec.h
@@ -0,0 +1,117 @@
+/* Base configuration file for all DragonFly targets.
+ Copyright (C) 1999, 2000, 2001, 2004, 2005 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/freebsd.h by
+ David O'Brien <obrien@FreeBSD.org>
+ Loren J. Rittle <ljrittle@acm.org>. */
+
+
+/* In case we need to know. */
+#define USING_CONFIG_DRAGONFLY_SPEC 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. */
+
+#define DFLY_SWITCH_TAKES_ARG(CHAR) \
+ (DEFAULT_SWITCH_TAKES_ARG (CHAR) \
+ || (CHAR) == 'h' \
+ || (CHAR) == 'z' /* ignored by ld */ \
+ || (CHAR) == 'R')
+
+/* This defines which multi-letter switches take arguments. */
+
+#define DFLY_WORD_SWITCH_TAKES_ARG(STR) \
+ (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
+ || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \
+ || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \
+ || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker"))
+
+#define DFLY_TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__DragonFly__"); \
+ builtin_define_std ("unix"); \
+ builtin_define ("__KPRINTF_ATTRIBUTE__"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=bsd"); \
+ builtin_assert ("system=DragonFly"); \
+ DFLY_TARGET_CPU_CPP_BUILTINS(); \
+ } \
+ while (0)
+
+/* Define the default DragonFly-specific per-CPU hook code. */
+#define DFLY_TARGET_CPU_CPP_BUILTINS() do {} while (0)
+
+/* Provide a CPP_SPEC appropriate for DragonFly. We just deal with the GCC
+ option `-posix', and PIC issues. */
+
+#define DFLY_CPP_SPEC " \
+ %(cpp_cpu) \
+ %(cpp_arch) \
+ %{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \
+ %{posix:-D_POSIX_SOURCE}"
+
+/* Provide a STARTFILE_SPEC appropriate for DragonFly. Here we add
+ the magical crtbegin.o file (see crtstuff.c) which provides part
+ of the support for getting C++ file-scope static object constructed
+ before entering `main'. */
+
+#define DFLY_STARTFILE_SPEC \
+ "%{!shared: \
+ %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
+ %{!p:%{profile:gcrt1.o%s} \
+ %{!profile:crt1.o%s}}}} \
+ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+
+/* Provide a ENDFILE_SPEC appropriate for DragonFly. Here we tack on
+ the magical crtend.o file (see crtstuff.c) which provides part of
+ the support for getting C++ file-scope static object constructed
+ before entering `main', followed by a normal "finalizer" file,
+ `crtn.o'. */
+
+#define DFLY_ENDFILE_SPEC \
+ "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+
+/* Provide a LIB_SPEC appropriate for DragonFly. Just select the appropriate
+ libc, depending on whether we're doing profiling or need threads support.
+ (similar to the default, except no -lg, and no -p). */
+
+#ifdef DFLY_NO_THREADS
+#define DFLY_LIB_SPEC " \
+ %{pthread: %eThe -pthread option is only supported on DragonFly when gcc \
+is built with the --enable-threads configure-time option.} \
+ %{!shared: \
+ %{!pg: -lc} \
+ %{pg: -lc_p} \
+ }"
+#else
+#define DFLY_LIB_SPEC " \
+ %{!shared: \
+ %{!pg: %{pthread:-lpthread} -lc} \
+ %{pg: %{pthread:-lpthread_p} -lc_p} \
+ }"
+#endif
+
+#define DFLY_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.2"
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