t-avr: Correct avr-mmcu.texi dependencies.

	* config/avr/t-avr: Correct avr-mmcu.texi dependencies.
	(s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
	* doc/avr-mmcu.texi (svn:eol-style): Set to native.

From-SVN: r188065

gcc/ChangeLog

+2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
+
+	* config/avr/t-avr: Correct avr-mmcu.texi dependencies.
+	(s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
+	* doc/avr-mmcu.texi (svn:eol-style): Set to native.
+	
 2012-05-31  Richard Guenther  <rguenther@suse.de>
 
 	* tree-loop-distribution.c (struct partition_s): New struct,

gcc/config/avr/t-avr

@@ -47,10 +47,18 @@ gen-avr-mmcu-texi$(build_exeext): $(srcdir)/config/avr/gen-avr-mmcu-texi.c \
   $(TM_H) $(AVR_MCUS) $(srcdir)/config/avr/avr-devices.c
 	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $< -o $@
 
-avr-devices.o: s-avr-mmcu-texi
+# Make sure that the -mmcu= documentation is in sync with the compiler.
+$(srcdir)/doc/avr-mmcu.texi: s-avr-mmcu-texi; @true
 
+# invoke.texi @includes avr-mmcu.texi.  Put this dependency here instead
+# of in the global Makefile so that developers of other backends are not
+# bothered with AVR stuff. 
+$(srcdir)/doc/invoke.texi: $(srcdir)/doc/avr-mmcu.texi
+
+# Ensure that device support is in sync with -mmcu= documentation.
 s-avr-mmcu-texi: gen-avr-mmcu-texi$(build_exeext)
-	$(RUN_GEN) ./$< | sed -e 's:\r::g' > avr-mmcu.texi
+	$(RUN_GEN) ./$< > tmp-avr-mmcu.texi
+	$(SHELL) $(srcdir)/../move-if-change tmp-avr-mmcu.texi avr-mmcu.texi
 	@if cmp -s $(srcdir)/doc/avr-mmcu.texi avr-mmcu.texi; then \
 	  $(STAMP) $@;		\
 	else			\