$NetBSD: patch-ab,v 1.1 2009/04/22 18:59:54 hasso Exp $

--- ../gcc-3.4.6/gcc/config.gcc	2005-07-20 00:08:48 +0300
+++ gcc/config.gcc	2009-04-09 09:26:24 +0300
@@ -451,6 +451,33 @@ case ${target} in
     "" | yes | posix) thread_file='posix' ;;
   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="${dfbsd_tm_file} dragonfly-spec.h dragonfly.h"
+  ;;
 *-*-linux*libc1* | *-*-linux*aout*)
   # Avoid the generic linux case.
   ;;
@@ -964,6 +991,12 @@ i[34567]86-*-freebsd*)
 x86_64-*-freebsd*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${fbsd_tm_file} i386/x86-64.h i386/freebsd.h i386/freebsd64.h"
 	;;
+i[34567]86-*-dragonfly*)
+	tm_file="${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"
 	;;