two more tweaks to cleanup

Author: eddelbuettel

cleanup

@@ -35,5 +35,5 @@ rm -rf	autom4te.cache inst/lib/ inst/doc/man/ inst/doc/html/ inst/doc/latex/ \
 find . -name \*~ -exec rm {} \;
 find . -name \*.flc -exec rm {} \;
 
-(cd vignettes/ && make clean && cd -)
-(cd vignettes/rmd/ && make clean && cd -)
+(cd vignettes/ && make clean && cd -) >/dev/null
+(cd vignettes/rmd/ && make clean && cd -) >/dev/null

vignettes/Makefile

@@ -35,3 +35,6 @@ rnwvignettes  = 	Rcpp-attributes.pdf \
 
 all:			${rnwvignettes}
 			@rm -f *.aux *.log *.tex
+
+clean:
+			@rm -f *.aux *.log *.tex