--- /dev/null
- all:: gitk-wish
+# The default target of this Makefile is...
+all::
+
+prefix ?= $(HOME)
+bindir ?= $(prefix)/bin
++sharedir ?= $(prefix)/share
++gitk_libdir ?= $(sharedir)/gitk/lib
++msgsdir ?= $(gitk_libdir)/msgs
++msgsdir_SQ = $(subst ','\'',$(msgsdir))
++
+TCLTK_PATH ?= wish
+INSTALL ?= install
+RM ?= rm -f
+
+DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
+bindir_SQ = $(subst ','\'',$(bindir))
+TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
+
++## po-file creation rules
++XGETTEXT ?= xgettext
++MSGFMT ?= msgfmt
++PO_TEMPLATE = po/gitk.pot
++ALL_POFILES = $(wildcard po/*.po)
++ALL_MSGFILES = $(subst .po,.msg,$(ALL_POFILES))
++
+ifndef V
+ QUIET = @
+ QUIET_GEN = $(QUIET)echo ' ' GEN $@ &&
+endif
+
- $(RM) gitk-wish
++all:: gitk-wish $(ALL_MSGFILES)
++
+install:: all
+ $(INSTALL) gitk-wish '$(DESTDIR_SQ)$(bindir_SQ)'/gitk
++ $(INSTALL) -d '$(DESTDIR_SQ)$(msgsdir_SQ)'
++ $(foreach p,$(ALL_MSGFILES), $(INSTALL) $p '$(DESTDIR_SQ)$(msgsdir_SQ)' &&) true
++
++uninstall::
++ $(foreach p,$(ALL_MSGFILES), $(RM) '$(DESTDIR_SQ)$(msgsdir_SQ)'/$(notdir $p) &&) true
++ $(RM) '$(DESTDIR_SQ)$(bindir_SQ)'/gitk
++
+clean::
++ $(RM) gitk-wish po/*.msg
+
+gitk-wish: gitk
+ $(QUIET_GEN)$(RM) $@ $@+ && \
+ sed -e '1,3s|^exec .* "$$0"|exec $(subst |,'\|',$(TCLTK_PATH_SQ)) "$$0"|' <gitk >$@+ && \
+ chmod +x $@+ && \
+ mv -f $@+ $@
++
++$(PO_TEMPLATE): gitk
++ $(XGETTEXT) -kmc -LTcl -o $@ gitk
++update-po:: $(PO_TEMPLATE)
++ $(foreach p, $(ALL_POFILES), echo Updating $p ; msgmerge -U $p $(PO_TEMPLATE) ; )
++$(ALL_MSGFILES): %.msg : %.po
++ @echo Generating catalog $@
++ $(MSGFMT) --statistics --tcl $< -l $(basename $(notdir $<)) -d $(dir $@)
++