* Makefile.in (refcard.dvi): Rewrite to avoid problems with empty

[deliverable/binutils-gdb.git] / gdb / doc / Makefile.in

diff --git a/gdb/doc/Makefile.in b/gdb/doc/Makefile.in
index d483330a5c61260112e8e3cf51ffb2eb87634bd3..f45a28f3a46537ac14a62314266788ea088eebba 100644 (file)
--- a/gdb/doc/Makefile.in
+++ b/gdb/doc/Makefile.in
@@ -200,14 +200,12 @@ maintainer-clean realclean: distclean
 
 # GDB QUICK REFERENCE (dvi output)
 refcard.dvi : refcard.tex $(REFEDITS)
-       if [ -z "$(REFEDITS)" ]; then \
-               cp $(srcdir)/refcard.tex sedref.tex ; \
-       else \
-               echo > tmp.sed ; \
-               for f in $(REFEDITS) ; do \
-                       cat $(srcdir)/$$f >>tmp.sed ; done ; \
-               sed -f tmp.sed $(srcdir)/refcard.tex >sedref.tex ; \
-       fi
+       echo > tmp.sed
+       for f in x $(REFEDITS) ; do \
+               test x$$f = xx && continue ; \
+               cat $(srcdir)/$$f >>tmp.sed ; \
+       done
+       sed -f tmp.sed $(srcdir)/refcard.tex >sedref.tex
        $(SET_TEXINPUTS) $(TEX) sedref.tex
        mv sedref.dvi refcard.dvi
        rm -f sedref.log sedref.tex tmp.sed