[PATCH 1/1] old-fashioned suffix rules cannot have any prerequisites

[Petr Ovtchenkov <ptr@void-ptr.info>]

See:

https://www.gnu.org/software/make/manual/html_node/Suffix-Rules.html#Suffix-Rules

<snip>
  Suffix rules cannot have any prerequisites of their own. If they have
  any, they are treated as normal files with funny names, not as suffix
  rules. Thus, the rule:
  ...
</snip>
---
 build-aux/po/Makefile.in.in | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/build-aux/po/Makefile.in.in b/build-aux/po/Makefile.in.in
index e4169b338..320cef068 100644
--- a/build-aux/po/Makefile.in.in
+++ b/build-aux/po/Makefile.in.in
@@ -107,7 +107,7 @@ DISTFILESDEPS = $(DISTFILESDEPS_$(DIST_DEPENDS_ON_UPDATE_PO))
 # the .pot file. This eliminates the need to update the .po files when the
 # .pot file has changed, which would be troublesome if the .po files are put
 # under version control.
-.po.gmo: $(srcdir)/$(DOMAIN).pot
+%.gmo:	%.po $(srcdir)/$(DOMAIN).pot
 	@lang=`echo $* | sed -e 's,.*/,,'`; \
 	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
 	echo "$${cdcmd}rm -f $${lang}.gmo && $(MSGMERGE) $(MSGMERGE_FOR_MSGFMT_OPTION) -o $${lang}.1po $${lang}.po $(DOMAIN).pot && $(GMSGFMT) -c --statistics --verbose -o $${lang}.gmo $${lang}.1po && rm -f $${lang}.1po"; \
@@ -118,7 +118,7 @@ DISTFILESDEPS = $(DISTFILESDEPS_$(DIST_DEPENDS_ON_UPDATE_PO))
 	mv t-$${lang}.gmo $${lang}.gmo && \
 	rm -f $${lang}.1po
 
-.sin.sed:
+%.sed:	%.sin
 	sed -e '/^#/d' $< > t-$@
 	mv t-$@ $@
 
@@ -444,14 +444,14 @@ update-po: Makefile
 
 # General rule for creating PO files.
 
-.nop.po-create:
+%.po-create:	%.nop
 	@lang=`echo $@ | sed -e 's/\.po-create$$//'`; \
 	echo "File $$lang.po does not exist. If you are a translator, you can create it through 'msginit'." 1>&2; \
 	exit 1
 
 # General rule for updating PO files.
 
-.nop.po-update:
+%.po-update:	%.nop
 	@lang=`echo $@ | sed -e 's/\.po-update$$//'`; \
 	if test "$(PACKAGE)" = "gettext-tools" && test "$(CROSS_COMPILING)" != "yes"; then PATH=`pwd`/../src:$$PATH; fi; \
 	tmpdir=`pwd`; \
-- 
2.25.0.dirty