Manual Makefile tweaks:
- remove html output folder on "make clean"
- fix "make manual" that was broken for some targets (e.g. h100) when configured for normal / sim build
- add manual-txt target to generate a plain text version. Requires links.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11319 a1c6a512-1295-4272-9138-f99709370657
diff --git a/manual/Makefile b/manual/Makefile
index ac7fd62..233ab37 100644
--- a/manual/Makefile
+++ b/manual/Makefile
@@ -7,20 +7,27 @@
 	@mkdir -p $(OBJDIR)
 	@cp -R * $(OBJDIR)
 	@perl credits.pl < ../docs/CREDITS | iconv -f utf-8 -t iso-8859-1 > $(OBJDIR)/CREDITS.tex
-	@echo "\newcommand{\platform}{${ARCHOS}}" > $(OBJDIR)/rockbox-build.tex
+	@echo "\newcommand{\platform}{${MANUALDEV}}" > $(OBJDIR)/rockbox-build.tex
 	@echo "\newcommand{\buildversion}{$(VERSION)}" >> $(OBJDIR)/rockbox-build.tex
 	@echo "\input{rockbox.tex}" >> $(OBJDIR)/rockbox-build.tex
 	@mv $(OBJDIR)/Makefile.pdflatex $(OBJDIR)/Makefile
 
 manual-pdf: manual-prep rockbox.tex
-	$(MAKE) -C $(OBJDIR)
+	$(MAKE) -C $(OBJDIR) buildmanual
 
 manual-html: manual-prep rockbox.tex
 	$(MAKE) -C $(OBJDIR) buildhtml
 
+manual-txt: manual-html
+	$(MAKE) -C $(OBJDIR) buildtxt
+
+manual-txt-zip: manual-txt
+	$(MAKE) -C $(OBJDIR) txtzip
+
 manual-zip: manual-html
 	$(MAKE) -C $(OBJDIR) htmlzip
 
 clean:
 	@if [ "$(OBJDIR)" == "" ]; then echo Run make in you build directory!; false; fi
 	@rm -rf $(OBJDIR)/manual $(OBJDIR)/*.pdf
+	@rm -rf $(OBJJDIR)/html $(OBJDIR)/txt