config.gcc: Reorganize handling of *-*-gnu*, to share target specific make details with Linux.

	* config.gcc: Reorganize handling of *-*-gnu*, to share target
	specific make details with Linux.  Update comments to clarify
        the distinction between GNU/Linux and GNU/Hurd.

From-SVN: r38093

gcc/ChangeLog

+2000-12-06  Mark Kettenis  <kettenis@gnu.org>
+
+	* config.gcc: Reorganize handling of *-*-gnu*, to share target
+	specific make details with Linux.  Update comments to clarify
+        the distinction between GNU/Linux and GNU/Hurd.
+
 Wed Dec  6 19:22:02 2000  Jeffrey A Law  (law@cygnus.com)
 
 	* contrib.texi: Fix my email address.  Update Per's
@@ -823,9 +829,6 @@ Tue Dec  5 20:09:14 2000  Jeffrey A Law  (law@cygnus.com)
 
 2000-11-30  Mark Kettenis  <kettenis@gnu.org>
 
-	* configure.in: Reorganize handling of *-*-gnu*, to share target
-	specific make details with Linux.  Update comments to clarify
-        the distinction between GNU/Linux and GNU/Hurd.
 	* config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
 	TARGET_LIBGCC2_CFLAGS): Remove.  We now use the settings from
 	config/t-linux for the Hurd.

gcc/config.gcc

@@ -255,11 +255,28 @@ case $machine in
 	;;
 esac	
 
-# Common parts for linux and openbsd systems
+# Common parts for GNU/Linux, GNU/Hurd and OpenBSD systems.
 case $machine in
 *-*-linux*)
 	xm_defines="HAVE_ATEXIT POSIX BSTRING"
 	;;
+*-*-gnu*)
+	# On the Hurd, the setup is just about the same on
+	# each different CPU.  The specific machines that we
+	# support are matched above and just set $cpu_type.
+	xm_file="xm-gnu.h ${xm_file}"
+	tm_file=${cpu_type}/gnu.h
+	extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
+	# GNU always uses ELF.
+	elf=yes
+	# GNU tools are the only tools.
+	gnu_ld=yes
+	gas=yes
+	# These details are the same as for Linux.
+	xmake_file=x-linux
+	# But here we need a little extra magic.
+	tmake_file="t-linux t-gnu"
+	;;
 *-*-openbsd*)
 	tm_file=${cpu_type}/openbsd.h
 	tmake_file="t-libc-ok t-openbsd"
@@ -3231,23 +3248,6 @@ xscale-*-coff)
 esac
 
 case $machine in
-*-*-linux*)
-        ;; # Existing GNU/Linux systems do not use the GNU setup.
-*-*-gnu*)
-	# On the GNU system, the setup is just about the same on
-	# each different CPU.  The specific machines that GNU
-	# supports are matched above and just set $cpu_type.
-	xm_file="xm-gnu.h ${xm_file}"
-	tm_file=${cpu_type}/gnu.h
-	extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
-	# GNU always uses ELF.
-	elf=yes
-	# GNU tools are the only tools.
-	gnu_ld=yes
-	gas=yes
-	xmake_file=x-linux	# These details are the same as Linux.
-	tmake_file=t-gnu	# These are not.
-	;;
 *-*-sysv4*)
 	xmake_try_sysv=x-sysv
 	install_headers_dir=install-headers-cpio