Migrate from broken pre-libgcc legacy support to libgcc-centric rules.

	* config/mmix/t-mmix: New file.
	* config.host <mmix-knuth-mmixware> (extra_parts, tmake_file): Set.

From-SVN: r156946

libgcc/ChangeLog

+2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	Migrate from broken pre-libgcc legacy support to libgcc-centric rules.
+	* config/mmix/t-mmix: New file.
+	* config.host <mmix-knuth-mmixware> (extra_parts, tmake_file): Set.
+
 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
 
 	PR java/41991

libgcc/config.host

@@ -432,6 +432,8 @@ mips-wrs-vxworks)
 mipstx39-*-elf* | mipstx39el-*-elf*)
 	;;
 mmix-knuth-mmixware)
+	extra_parts="crti.o crtn.o crtbegin.o crtend.o"
+	tmake_file="${tmake_file} ${cpu_type}/t-${cpu_type}"
 	;;
 mn10300-*-*)
 	;;

libgcc/config/mmix/t-mmix

+# Don't use global registers in libraries.
+# FIXME: Not applied at "root" level, so disabled at the moment to stop
+# incorrect comparisons with -mabi=gnu.
+#MULTILIB_EXTRA_OPTS = mno-base-addresses
+
+$(T)crti.o: $(gcc_srcdir)/config/mmix/crti.asm $(GCC_PASSES)
+	$(crt_compile) $(INCLUDES) \
+	$(CRTSTUFF_T_CFLAGS) -c -x assembler-with-cpp \
+	$(gcc_srcdir)/config/mmix/crti.asm
+
+$(T)crtn.o: $(gcc_srcdir)/config/mmix/crtn.asm $(GCC_PASSES)
+	$(crt_compile) $(INCLUDES) \
+	$(CRTSTUFF_T_CFLAGS) -c -x assembler-with-cpp \
+	$(gcc_srcdir)/config/mmix/crtn.asm