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# 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
ifdef NO_MSGFMT
	MSGFMT ?= $(TCL_PATH) po/po2msg.sh
else
	MSGFMT ?= msgfmt
endif
 
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
 
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 $@)