$NetBSD: patch-aa,v 1.2 2011/02/25 13:34:56 hans Exp $

--- gcc/config.gcc.orig	2009-04-17 13:58:41 +0200
+++ gcc/config.gcc
@@ -488,6 +488,33 @@ case ${target} in
       default_use_cxa_atexit=yes;;
   esac
   ;;
+*-*-dragonfly*)
+  gas=yes
+  gnu_ld=yes
+  extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
+  case ${target} in
+    *-*-dragonfly1 | *-*-dragonfly[1].*)
+      tm_defines="${tm_defines} DFBSD_MAJOR=1" ;;
+    *-*-dragonfly2 | *-*-dragonfly[2].*)
+      tm_defines="${tm_defines} DFBSD_MAJOR=2" ;;
+    *-*-dragonfly3 | *-*-dragonfly[3].*)
+      tm_defines="${tm_defines} DFBSD_MAJOR=3" ;;
+    *-*-dragonfly4 | *-*-dragonfly[4].*)
+      tm_defines="${tm_defines} DFBSD_MAJOR=4" ;;
+    *)
+      echo 'Please update *-*-dragonfly* in gcc/config.gcc'
+      exit 1
+      ;;
+  esac
+  tmake_file="t-slibgcc-elf-ver t-dragonfly"
+  case ${enable_threads} in
+    "" | yes | posix)
+      thread_file='posix'
+      tmake_file="${tmake_file} t-dragonfly-thread"
+      ;;
+  esac
+  dfbsd_tm_file="${dfbsd_tm_file} dragonfly-spec.h dragonfly.h"
+  ;;
 *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu)
   extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
   gas=yes
@@ -1053,6 +1080,12 @@ x86_64-*-freebsd*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${fbsd_tm_file} i386/x86-64.h i386/freebsd.h i386/freebsd64.h"
 	tmake_file="${tmake_file} i386/t-crtstuff"
 	;;
+i[34567]86-*-dragonfly*)
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${dfbsd_tm_file} i386/dragonfly.h"
+	;;
+x86_64-*-dragonfly*)
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${dfbsd_tm_file} i386/x86-64.h i386/dragonfly.h i386/dragonfly64.h"
+	;;
 i[34567]86-*-netbsdelf*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h netbsd.h netbsd-elf.h i386/netbsd-elf.h"
 	;;