manuals.mak: attempt to make 'make distcheck' work with -jN

Attempt to fix the 'cannot create regular file build/image.entitites:
file exists' error I got.

diff --git a/docs/manuals.mak b/docs/manuals.mak
index 229969c21c4139f5c4e5318da296fd3584248c4a..f4497de14ab09c4c7c8ac1f2412f52757e395d96 100644 (file)
--- a/docs/manuals.mak
+++ b/docs/manuals.mak
@@ -80,12 +80,12 @@ debug:
 
 # a rule to copy all of the source for docs into $(builddir)/build
 $(BUILDDIR)/$(MAIN): $(XML) $(CSS) $(EXTRA_SRC)
-       @-mkdir -p $(BUILDDIR)
-       @if test "x$(EXTRA_SRC)" != "x"; then for a in $(EXTRA_SRC); do cp $(srcdir)/$$a $(BUILDDIR); done; fi
-       @for a in $(XML); do cp $(srcdir)/$$a $(BUILDDIR); done
-       @for a in $(CSS); do cp $(srcdir)/$$a $(BUILDDIR); done
-       @cp ../version.entities $(BUILDDIR)
-       @cp $(top_srcdir)/docs/url.entities $(BUILDDIR)
+       @-mkdir -p $(BUILDDIR); \
+       if test "x$(EXTRA_SRC)" != "x"; then for a in $(EXTRA_SRC); do cp $(srcdir)/$$a $(BUILDDIR); done; fi ; \
+       for a in $(XML); do cp $(srcdir)/$$a $(BUILDDIR); done ; \
+       for a in $(CSS); do cp $(srcdir)/$$a $(BUILDDIR); done ; \
+       cp ../version.entities $(BUILDDIR) ; \
+       cp $(top_srcdir)/docs/url.entities $(BUILDDIR)
 
 # we should switch to xsltproc
 # docbook2html aka jade can't add the encoding easily to the html meta