upgrade to external gettext, modernize handling of m4 subdirectory

* configure.ac.in (AM_GNU_GETTEXT_VERSION): Bump to 0.17.
(AC_OUTPUT): Remove m4/Makefile creation.
* Makefile.am (subdirs): Remove m4 subdirectory.
(EXTRA_DIST): Add build-aux/config.rpath.
* intl/*: Remove.
* m4/Makefile.am: Remove.
* m4/codeset.m4: Remove.
* m4/glibc.m4: Remove.
* m4/glibc21.m4: Remove.
* m4/header.m4: Remove.
* m4/install.m4: Remove.
* m4/isc-posix.m4: Remove.
* m4/lcmessage.m4: Remove.
* m4/sanity.m4: Remove.
* m4/gettext.m4: Upgrade to gettext-0.17.
* m4/iconv.m4: Upgrade to gettext-0.17.
* m4/lib-ld.m4: New file, from gettext-0.17.
* m4/lib-link.m4: New file, from gettext-0.17.
* m4/lib-prefix.m4: New file, from gettext-0.17.
* m4/nls.m4: New file, from gettext-0.17.
* m4/po.m4: New file, from gettext-0.17.
* m4/progtest.m4: Upgrade to gettext-0.17.
* m4/Makefile.am (EXTRA_DIST): Add the new files.
* po/Makefile.in.in: Upgrade to gettext-0.17.
* po/Makevars: New.
* po/cat-id-tbl.c: New.
* src/Makefile.am: Replace @INTLLIBS@ with @LIBINTL@.

4 files changed, 402 insertions, 150 deletions

diff --git a/po/.gitignore b/po/.gitignore
index 92f9f7ee..c23b52f1 100644
--- a/po/.gitignore
+++ b/po/.gitignore
@@ -1,4 +1,14 @@
 *.gmo
-POTFILES
-grep.pot
-stamp-cat-id
+.reference
+LINGUAS
+Makefile.in.in
+Makevars.template
+Rules-quot
+boldquot.sed
+en@boldquot.header
+en@quot.header
+insert-header.sed
+insert-header.sin
+quot.sed
+remove-potcdate.sed
+remove-potcdate.sin
diff --git a/po/Makefile.in.in b/po/Makefile.in.in
index c81f8562..fecf500f 100644
--- a/po/Makefile.in.in
+++ b/po/Makefile.in.in
@@ -1,13 +1,19 @@
-# Makefile for program source directory in GNU NLS utilities package.
-# Copyright (C) 1995, 1996, 1997 by Ulrich Drepper <drepper@gnu.ai.mit.edu>
+# Makefile for PO directory in any package using GNU gettext.
+# Copyright (C) 1995-1997, 2000-2007 by Ulrich Drepper <drepper@gnu.ai.mit.edu>
 #
-# This file file be copied and used freely without restrictions.  It can
-# be used in projects which are not available under the GNU Public License
-# but which still want to provide support for the GNU gettext functionality.
-# Please note that the actual code is *not* freely available.
+# This file can be copied and used freely without restrictions.  It can
+# be used in projects which are not available under the GNU General Public
+# License but which still want to provide support for the GNU gettext
+# functionality.
+# Please note that the actual code of GNU gettext is covered by the GNU
+# General Public License and is *not* in the public domain.
+#
+# Origin: gettext-0.17
+GETTEXT_MACRO_VERSION = 0.17
 
 PACKAGE = @PACKAGE@
 VERSION = @VERSION@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
 
 SHELL = /bin/sh
 @SET_MAKE@
@@ -18,220 +24,405 @@ VPATH = @srcdir@
 
 prefix = @prefix@
 exec_prefix = @exec_prefix@
-datadir = $(prefix)/@DATADIRNAME@
-localedir = $(datadir)/locale
-gnulocaledir = $(prefix)/share/locale
-gettextsrcdir = $(prefix)/share/gettext/po
-subdir = po
+datarootdir = @datarootdir@
+datadir = @datadir@
+localedir = @localedir@
+gettextsrcdir = $(datadir)/gettext/po
 
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
-MKINSTALLDIRS = $(top_srcdir)/@MKINSTALLDIRS@
-
-CC = @CC@
-GENCAT = @GENCAT@
-GMSGFMT = PATH=../src:$$PATH @GMSGFMT@
-MSGFMT = @MSGFMT@
-XGETTEXT = PATH=../src:$$PATH @XGETTEXT@
-MSGMERGE = PATH=../src:$$PATH msgmerge
+
+# We use $(mkdir_p).
+# In automake <= 1.9.x, $(mkdir_p) is defined either as "mkdir -p --" or as
+# "$(mkinstalldirs)" or as "$(install_sh) -d". For these automake versions,
+# @install_sh@ does not start with $(SHELL), so we add it.
+# In automake >= 1.10, @mkdir_p@ is derived from ${MKDIR_P}, which is defined
+# either as "/path/to/mkdir -p" or ".../install-sh -c -d". For these automake
+# versions, $(mkinstalldirs) and $(install_sh) are unused.
+mkinstalldirs = $(SHELL) @install_sh@ -d
+install_sh = $(SHELL) @install_sh@
 MKDIR_P = @MKDIR_P@
 mkdir_p = @mkdir_p@
 
-DEFS = @DEFS@
-CFLAGS = @CFLAGS@
-CPPFLAGS = @CPPFLAGS@
-
-INCLUDES = -I.. -I$(top_srcdir)/intl
-
-COMPILE = $(CC) -c $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS) $(XCFLAGS)
+GMSGFMT_ = @GMSGFMT@
+GMSGFMT_no = @GMSGFMT@
+GMSGFMT_yes = @GMSGFMT_015@
+GMSGFMT = $(GMSGFMT_$(USE_MSGCTXT))
+MSGFMT_ = @MSGFMT@
+MSGFMT_no = @MSGFMT@
+MSGFMT_yes = @MSGFMT_015@
+MSGFMT = $(MSGFMT_$(USE_MSGCTXT))
+XGETTEXT_ = @XGETTEXT@
+XGETTEXT_no = @XGETTEXT@
+XGETTEXT_yes = @XGETTEXT_015@
+XGETTEXT = $(XGETTEXT_$(USE_MSGCTXT))
+MSGMERGE = msgmerge
+MSGMERGE_UPDATE = @MSGMERGE@ --update
+MSGINIT = msginit
+MSGCONV = msgconv
+MSGFILTER = msgfilter
 
-SOURCES = cat-id-tbl.c
 POFILES = @POFILES@
 GMOFILES = @GMOFILES@
-DISTFILES = Makefile.in.in POTFILES.in $(PACKAGE).pot \
-stamp-cat-id $(POFILES) $(GMOFILES) $(SOURCES)
+UPDATEPOFILES = @UPDATEPOFILES@
+DUMMYPOFILES = @DUMMYPOFILES@
+DISTFILES.common = Makefile.in.in remove-potcdate.sin \
+$(DISTFILES.common.extra1) $(DISTFILES.common.extra2) $(DISTFILES.common.extra3)
+DISTFILES = $(DISTFILES.common) Makevars POTFILES.in \
+$(POFILES) $(GMOFILES) \
+$(DISTFILES.extra1) $(DISTFILES.extra2) $(DISTFILES.extra3)
 
 POTFILES = \
 
 CATALOGS = @CATALOGS@
-CATOBJEXT = @CATOBJEXT@
-INSTOBJEXT = @INSTOBJEXT@
 
-.SUFFIXES:
-.SUFFIXES: .c .o .po .pox .gmo .mo .msg .cat
-
-.c.o:
-	$(COMPILE) $<
+# Makevars gets inserted here. (Don't remove this line!)
 
-.po.pox:
-	$(MAKE) $(PACKAGE).pot
-	$(MSGMERGE) $< $(srcdir)/$(PACKAGE).pot -o $*.pox
+.SUFFIXES:
+.SUFFIXES: .po .gmo .mo .sed .sin .nop .po-create .po-update
 
 .po.mo:
-	$(MSGFMT) -o $@ $<
+	@echo "$(MSGFMT) -c -o $@ $<"; \
+	$(MSGFMT) -c -o t-$@ $< && mv t-$@ $@
 
 .po.gmo:
-	file=$(srcdir)/`echo $* | sed 's,.*/,,'`.gmo \
-	  && rm -f $$file && $(GMSGFMT) -o $$file $<
+	@lang=`echo $* | sed -e 's,.*/,,'`; \
+	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+	echo "$${cdcmd}rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o $${lang}.gmo $${lang}.po"; \
+	cd $(srcdir) && rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o t-$${lang}.gmo $${lang}.po && mv t-$${lang}.gmo $${lang}.gmo
 
-.po.cat:
-	sed -f ../intl/po2msg.sed < $< > $*.msg \
-	  && rm -f $@ && $(GENCAT) $@ $*.msg
+.sin.sed:
+	sed -e '/^#/d' $< > t-$@
+	mv t-$@ $@
 
 
-all: all-@USE_NLS@
+all: check-macro-version all-@USE_NLS@
 
-all-yes: cat-id-tbl.c $(CATALOGS)
+all-yes: stamp-po
 all-no:
 
-$(srcdir)/$(PACKAGE).pot: $(POTFILES)
-	$(XGETTEXT) --default-domain=$(PACKAGE) --directory=$(top_srcdir) \
-	  --add-comments --keyword=_ --keyword=N_ \
-	  --files-from=$(srcdir)/POTFILES.in \
-	&& test ! -f $(PACKAGE).po \
-	   || ( rm -f $(srcdir)/$(PACKAGE).pot \
-		&& mv $(PACKAGE).po $(srcdir)/$(PACKAGE).pot )
-
-$(srcdir)/cat-id-tbl.c: stamp-cat-id; @:
-$(srcdir)/stamp-cat-id: $(PACKAGE).pot
-	rm -f cat-id-tbl.tmp
-	sed -f ../intl/po2tbl.sed $(srcdir)/$(PACKAGE).pot \
-		| sed -e "s/@PACKAGE NAME@/$(PACKAGE)/" > cat-id-tbl.tmp
-	if cmp -s cat-id-tbl.tmp $(srcdir)/cat-id-tbl.c; then \
-	  rm cat-id-tbl.tmp; \
+# Ensure that the gettext macros and this Makefile.in.in are in sync.
+check-macro-version:
+	@test "$(GETTEXT_MACRO_VERSION)" = "@GETTEXT_MACRO_VERSION@" \
+	  || { echo "*** error: gettext infrastructure mismatch: using a Makefile.in.in from gettext version $(GETTEXT_MACRO_VERSION) but the autoconf macros are from gettext version @GETTEXT_MACRO_VERSION@" 1>&2; \
+	       exit 1; \
+	     }
+
+# $(srcdir)/$(DOMAIN).pot is only created when needed. When xgettext finds no
+# internationalized messages, no $(srcdir)/$(DOMAIN).pot is created (because
+# we don't want to bother translators with empty POT files). We assume that
+# LINGUAS is empty in this case, i.e. $(POFILES) and $(GMOFILES) are empty.
+# In this case, stamp-po is a nop (i.e. a phony target).
+
+# stamp-po is a timestamp denoting the last time at which the CATALOGS have
+# been loosely updated. Its purpose is that when a developer or translator
+# checks out the package via CVS, and the $(DOMAIN).pot file is not in CVS,
+# "make" will update the $(DOMAIN).pot and the $(CATALOGS), but subsequent
+# invocations of "make" will do nothing. This timestamp would not be necessary
+# if updating the $(CATALOGS) would always touch them; however, the rule for
+# $(POFILES) has been designed to not touch files that don't need to be
+# changed.
+stamp-po: $(srcdir)/$(DOMAIN).pot
+	test ! -f $(srcdir)/$(DOMAIN).pot || \
+	  test -z "$(GMOFILES)" || $(MAKE) $(GMOFILES)
+	@test ! -f $(srcdir)/$(DOMAIN).pot || { \
+	  echo "touch stamp-po" && \
+	  echo timestamp > stamp-poT && \
+	  mv stamp-poT stamp-po; \
+	}
+
+# Note: Target 'all' must not depend on target '$(DOMAIN).pot-update',
+# otherwise packages like GCC can not be built if only parts of the source
+# have been downloaded.
+
+# This target rebuilds $(DOMAIN).pot; it is an expensive operation.
+# Note that $(DOMAIN).pot is not touched if it doesn't need to be changed.
+$(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
+	if LC_ALL=C grep 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null | grep -v 'libtool:' >/dev/null; then \
+	  package_gnu='GNU '; \
+	else \
+	  package_gnu=''; \
+	fi; \
+	if test -n '$(MSGID_BUGS_ADDRESS)' || test '$(PACKAGE_BUGREPORT)' = '@'PACKAGE_BUGREPORT'@'; then \
+	  msgid_bugs_address='$(MSGID_BUGS_ADDRESS)'; \
+	else \
+	  msgid_bugs_address='$(PACKAGE_BUGREPORT)'; \
+	fi; \
+	case `$(XGETTEXT) --version | sed 1q | sed -e 's,^[^0-9]*,,'` in \
+	  '' | 0.[0-9] | 0.[0-9].* | 0.1[0-5] | 0.1[0-5].* | 0.16 | 0.16.[0-1]*) \
+	    $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+	      --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) @XGETTEXT_EXTRA_OPTIONS@ \
+	      --files-from=$(srcdir)/POTFILES.in \
+	      --copyright-holder='$(COPYRIGHT_HOLDER)' \
+	      --msgid-bugs-address="$$msgid_bugs_address" \
+	    ;; \
+	  *) \
+	    $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+	      --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) @XGETTEXT_EXTRA_OPTIONS@ \
+	      --files-from=$(srcdir)/POTFILES.in \
+	      --copyright-holder='$(COPYRIGHT_HOLDER)' \
+	      --package-name="$${package_gnu}@PACKAGE@" \
+	      --package-version='@VERSION@' \
+	      --msgid-bugs-address="$$msgid_bugs_address" \
+	    ;; \
+	esac
+	test ! -f $(DOMAIN).po || { \
+	  if test -f $(srcdir)/$(DOMAIN).pot; then \
+	    sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > $(DOMAIN).1po && \
+	    sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
+	    if cmp $(DOMAIN).1po $(DOMAIN).2po >/dev/null 2>&1; then \
+	      rm -f $(DOMAIN).1po $(DOMAIN).2po $(DOMAIN).po; \
+	    else \
+	      rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot && \
+	      mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+	    fi; \
+	  else \
+	    mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+	  fi; \
+	}
+
+# This rule has no dependencies: we don't need to update $(DOMAIN).pot at
+# every "make" invocation, only create it when it is missing.
+# Only "make $(DOMAIN).pot-update" or "make dist" will force an update.
+$(srcdir)/$(DOMAIN).pot:
+	$(MAKE) $(DOMAIN).pot-update
+
+# This target rebuilds a PO file if $(DOMAIN).pot has changed.
+# Note that a PO file is not touched if it doesn't need to be changed.
+$(POFILES): $(srcdir)/$(DOMAIN).pot
+	@lang=`echo $@ | sed -e 's,.*/,,' -e 's/\.po$$//'`; \
+	if test -f "$(srcdir)/$${lang}.po"; then \
+	  test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+	  echo "$${cdcmd}$(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot"; \
+	  cd $(srcdir) && $(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot; \
 	else \
-	  echo cat-id-tbl.c changed; \
-	  rm -f $(srcdir)/cat-id-tbl.c; \
-	  mv cat-id-tbl.tmp $(srcdir)/cat-id-tbl.c; \
+	  $(MAKE) $${lang}.po-create; \
 	fi
-	cd $(srcdir) && rm -f stamp-cat-id && echo timestamp > stamp-cat-id
 
 
 install: install-exec install-data
 install-exec:
 install-data: install-data-@USE_NLS@
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  $(mkdir_p) $(DESTDIR)$(gettextsrcdir); \
+	  for file in $(DISTFILES.common) Makevars.template; do \
+	    $(INSTALL_DATA) $(srcdir)/$$file \
+			    $(DESTDIR)$(gettextsrcdir)/$$file; \
+	  done; \
+	  for file in Makevars; do \
+	    rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
+	  done; \
+	else \
+	  : ; \
+	fi
 install-data-no: all
 install-data-yes: all
-	$(mkdir_p) $(DESTDIR)/$(datadir)
+	$(mkdir_p) $(DESTDIR)$(datadir)
 	@catalogs='$(CATALOGS)'; \
 	for cat in $$catalogs; do \
 	  cat=`basename $$cat`; \
-	  case "$$cat" in \
-	    *.gmo) destdir=$(gnulocaledir);; \
-	    *)     destdir=$(localedir);; \
-	  esac; \
-	  lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \
-	  dir=$$destdir/$$lang/LC_MESSAGES; \
-	  $(mkdir_p) $(DESTDIR)/$$dir; \
-	  if test -r $$cat; then \
-	    $(INSTALL_DATA) $$cat $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT); \
-	    echo "installing $$cat as $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT)"; \
-	  else \
-	    $(INSTALL_DATA) $(srcdir)/$$cat $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT); \
-	    echo "installing $(srcdir)/$$cat as" \
-		 "$$dir/$(PACKAGE)$(INSTOBJEXT)"; \
-	  fi; \
-	  if test -r $$cat.m; then \
-	    $(INSTALL_DATA) $$cat.m $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m; \
-	    echo "installing $$cat.m as $(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \
-	  else \
-	    if test -r $(srcdir)/$$cat.m ; then \
-	      $(INSTALL_DATA) $(srcdir)/$$cat.m \
-		$(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m; \
-	      echo "installing $(srcdir)/$$cat as" \
-		   "$(DESTDIR)/$$dir/$(PACKAGE)$(INSTOBJEXT).m"; \
-	    else \
-	      true; \
+	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+	  dir=$(localedir)/$$lang/LC_MESSAGES; \
+	  $(mkdir_p) $(DESTDIR)$$dir; \
+	  if test -r $$cat; then realcat=$$cat; else realcat=$(srcdir)/$$cat; fi; \
+	  $(INSTALL_DATA) $$realcat $(DESTDIR)$$dir/$(DOMAIN).mo; \
+	  echo "installing $$realcat as $(DESTDIR)$$dir/$(DOMAIN).mo"; \
+	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
+	    if test -n "$$lc"; then \
+	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
+	        link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
+	        mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	        mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
+	         for file in *; do \
+	           if test -f $$file; then \
+	             ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
+	           fi; \
+	         done); \
+	        rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	      else \
+	        if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
+	          :; \
+	        else \
+	          rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	          mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        fi; \
+	      fi; \
+	      rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+	      ln -s ../LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
+	      ln $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
+	      cp -p $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+	      echo "installing $$realcat link as $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo"; \
 	    fi; \
-	  fi; \
+	  done; \
 	done
-	if test "$(PACKAGE)" = "gettext"; then \
-	  $(mkdir_p) $(DESTDIR)/$(gettextsrcdir); \
-	  $(INSTALL_DATA) $(srcdir)/Makefile.in.in \
-			  $(DESTDIR)/$(gettextsrcdir)/Makefile.in.in; \
+
+install-strip: install
+
+installdirs: installdirs-exec installdirs-data
+installdirs-exec:
+installdirs-data: installdirs-data-@USE_NLS@
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  $(mkdir_p) $(DESTDIR)$(gettextsrcdir); \
 	else \
 	  : ; \
 	fi
+installdirs-data-no:
+installdirs-data-yes:
+	$(mkdir_p) $(DESTDIR)$(datadir)
+	@catalogs='$(CATALOGS)'; \
+	for cat in $$catalogs; do \
+	  cat=`basename $$cat`; \
+	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+	  dir=$(localedir)/$$lang/LC_MESSAGES; \
+	  $(mkdir_p) $(DESTDIR)$$dir; \
+	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
+	    if test -n "$$lc"; then \
+	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
+	        link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
+	        mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	        mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
+	         for file in *; do \
+	           if test -f $$file; then \
+	             ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
+	           fi; \
+	         done); \
+	        rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	      else \
+	        if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
+	          :; \
+	        else \
+	          rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	          mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        fi; \
+	      fi; \
+	    fi; \
+	  done; \
+	done
 
 # Define this as empty until I found a useful application.
 installcheck:
 
-uninstall:
+uninstall: uninstall-exec uninstall-data
+uninstall-exec:
+uninstall-data: uninstall-data-@USE_NLS@
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  for file in $(DISTFILES.common) Makevars.template; do \
+	    rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
+	  done; \
+	else \
+	  : ; \
+	fi
+uninstall-data-no:
+uninstall-data-yes:
 	catalogs='$(CATALOGS)'; \
 	for cat in $$catalogs; do \
 	  cat=`basename $$cat`; \
-	  lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \
-	  rm -f $(localedir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT); \
-	  rm -f $(localedir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT).m; \
-	  rm -f $(gnulocaledir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT); \
-	  rm -f $(gnulocaledir)/$$lang/LC_MESSAGES/$(PACKAGE)$(INSTOBJEXT).m; \
+	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+	  for lc in LC_MESSAGES $(EXTRA_LOCALE_CATEGORIES); do \
+	    rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+	  done; \
 	done
-	rm -f $(gettextsrcdir)/po-Makefile.in.in
 
 check: all
 
-cat-id-tbl.o: ../intl/libgettext.h
-
-dvi info tags TAGS ID:
+info dvi ps pdf html tags TAGS ctags CTAGS ID:
 
 mostlyclean:
-	rm -f core core.* *.pox $(PACKAGE).po *.old.po cat-id-tbl.tmp
+	rm -f remove-potcdate.sed
+	rm -f stamp-poT
+	rm -f core core.* $(DOMAIN).po $(DOMAIN).1po $(DOMAIN).2po *.new.po
 	rm -fr *.o
 
 clean: mostlyclean
 
 distclean: clean
-	rm -f Makefile Makefile.in POTFILES *.mo *.msg *.cat *.cat.m
+	rm -f Makefile Makefile.in POTFILES *.mo
 
 maintainer-clean: distclean
 	@echo "This command is intended for maintainers to use;"
 	@echo "it deletes files that may require special tools to rebuild."
-	rm -f $(GMOFILES)
-
-distdir = ../$(PACKAGE)-$(VERSION)/$(subdir)
-dist distdir: update-po $(DISTFILES)
+	rm -f stamp-po $(GMOFILES)
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+dist distdir:
+	$(MAKE) update-po
+	@$(MAKE) dist2
+# This is a separate target because 'update-po' must be executed before.
+dist2: stamp-po $(DISTFILES)
 	dists="$(DISTFILES)"; \
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  dists="$$dists Makevars.template"; \
+	fi; \
+	if test -f $(srcdir)/$(DOMAIN).pot; then \
+	  dists="$$dists $(DOMAIN).pot stamp-po"; \
+	fi; \
+	if test -f $(srcdir)/ChangeLog; then \
+	  dists="$$dists ChangeLog"; \
+	fi; \
+	for i in 0 1 2 3 4 5 6 7 8 9; do \
+	  if test -f $(srcdir)/ChangeLog.$$i; then \
+	    dists="$$dists ChangeLog.$$i"; \
+	  fi; \
+	done; \
+	if test -f $(srcdir)/LINGUAS; then dists="$$dists LINGUAS"; fi; \
 	for file in $$dists; do \
-	  ln $(srcdir)/$$file $(distdir) 2> /dev/null \
-	    || cp -p $(srcdir)/$$file $(distdir); \
+	  if test -f $$file; then \
+	    cp -p $$file $(distdir) || exit 1; \
+	  else \
+	    cp -p $(srcdir)/$$file $(distdir) || exit 1; \
+	  fi; \
 	done
 
 update-po: Makefile
-	$(MAKE) $(PACKAGE).pot
-	PATH=`pwd`/../src:$$PATH; \
+	$(MAKE) $(DOMAIN).pot-update
+	test -z "$(UPDATEPOFILES)" || $(MAKE) $(UPDATEPOFILES)
+	$(MAKE) update-gmo
+
+# General rule for creating PO files.
+
+.nop.po-create:
+	@lang=`echo $@ | sed -e 's/\.po-create$$//'`; \
+	echo "File $$lang.po does not exist. If you are a translator, you can create it through 'msginit'." 1>&2; \
+	exit 1
+
+# General rule for updating PO files.
+
+.nop.po-update:
+	@lang=`echo $@ | sed -e 's/\.po-update$$//'`; \
+	if test "$(PACKAGE)" = "gettext-tools"; then PATH=`pwd`/../src:$$PATH; fi; \
+	tmpdir=`pwd`; \
+	echo "$$lang:"; \
+	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+	echo "$${cdcmd}$(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$lang.new.po"; \
 	cd $(srcdir); \
-	catalogs='$(CATALOGS)'; \
-	for cat in $$catalogs; do \
-	  cat=`basename $$cat`; \
-	  lang=`echo $$cat | sed 's/\$(CATOBJEXT)$$//'`; \
-	  mv $$lang.po $$lang.old.po; \
-	  echo "$$lang:"; \
-	  if $(MSGMERGE) $$lang.old.po $(PACKAGE).pot -o $$lang.po; then \
-	    rm -f $$lang.old.po; \
+	if $(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$tmpdir/$$lang.new.po; then \
+	  if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
+	    rm -f $$tmpdir/$$lang.new.po; \
 	  else \
-	    echo "msgmerge for $$cat failed!"; \
-	    rm -f $$lang.po; \
-	    mv $$lang.old.po $$lang.po; \
+	    if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
+	      :; \
+	    else \
+	      echo "msgmerge for $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
+	      exit 1; \
+	    fi; \
 	  fi; \
-	done
+	else \
+	  echo "msgmerge for $$lang.po failed!" 1>&2; \
+	  rm -f $$tmpdir/$$lang.new.po; \
+	fi
 
-POTFILES: POTFILES.in
-	( if test 'x$(srcdir)' != 'x.'; then \
-	    posrcprefix='$(top_srcdir)/'; \
-	  else \
-	    posrcprefix="../"; \
-	  fi; \
-	  rm -f $@-t $@ \
-	    && (sed -e '/^#/d' -e '/^[ 	]*$$/d' \
-		    -e "s@.*@	$$posrcprefix& \\\\@" < $(srcdir)/$@.in \
-		| sed -e '$$s/\\$$//') > $@-t \
-	    && chmod a-w $@-t \
-	    && mv $@-t $@ )
-
-Makefile: Makefile.in.in ../config.status POTFILES
-	cd .. \
-	  && CONFIG_FILES=$(subdir)/$@.in CONFIG_HEADERS= \
-	       $(SHELL) ./config.status
+$(DUMMYPOFILES):
+
+update-gmo: Makefile $(GMOFILES)
+	@:
+
+Makefile: Makefile.in.in Makevars $(top_builddir)/config.status @POMAKEFILEDEPS@
+	cd $(top_builddir) \
+	  && $(SHELL) ./config.status $(subdir)/$@.in po-directories
+
+force:
 
 # Tell versions [3.59,3.63) of GNU make not to export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/po/Makevars b/po/Makevars
new file mode 100644
index 00000000..84a3f135
--- /dev/null
+++ b/po/Makevars
@@ -0,0 +1,51 @@
+# Makefile variables for PO directory in any package using GNU gettext.
+
+# Usually the message domain is the same as the package name.
+DOMAIN = $(PACKAGE)
+
+# These two variables depend on the location of this directory.
+subdir = po
+top_builddir = ..
+
+# These options get passed to xgettext.
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_ \
+ --flag=_:1:pass-c-format\
+ --flag=N_:1:pass-c-format\
+ --flag=error:3:c-format --flag=error_at_line:5:c-format\
+ --from-code=UTF-8\
+ --flag=asprintf:2:c-format --flag=vasprintf:2:c-format\
+ --flag=asnprintf:3:c-format --flag=vasnprintf:3:c-format\
+ --flag=wrapf:1:c-format\
+ --flag=error:3:c-format --flag=error_at_line:5:c-format\
+ $${end_of_xgettext_options+}
+
+
+# This is the copyright holder that gets inserted into the header of the
+# $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding
+# package.  (Note that the msgstr strings, extracted from the package's
+# sources, belong to the copyright holder of the package.)  Translators are
+# expected to transfer the copyright for their translations to this person
+# or entity, or to disclaim their copyright.  The empty string stands for
+# the public domain; in this case the translators are expected to disclaim
+# their copyright.
+COPYRIGHT_HOLDER = Free Software Foundation, Inc.
+
+# This is the email address or URL to which the translators shall report
+# bugs in the untranslated strings:
+# - Strings which are not entire sentences, see the maintainer guidelines
+#   in the GNU gettext documentation, section 'Preparing Strings'.
+# - Strings which use unclear terms or require additional context to be
+#   understood.
+# - Strings which make invalid assumptions about notation of date, time or
+#   money.
+# - Pluralisation problems.
+# - Incorrect English spelling.
+# - Incorrect formatting.
+# It can be your email address, or a mailing list address where translators
+# can write to without being subscribed, or the URL of a web page through
+# which the translators can contact you.
+MSGID_BUGS_ADDRESS = bug-grep@gnu.org
+
+# This is the list of locale categories, beyond LC_MESSAGES, for which the
+# message catalogs shall be used.  It is usually empty.
+EXTRA_LOCALE_CATEGORIES =
diff --git a/po/cat-id-tbl.c b/po/cat-id-tbl.c
deleted file mode 100644
index e69de29b..00000000
--- a/po/cat-id-tbl.c
+++ /dev/null