all::

prefix ?= $(HOME)

bindir ?= $(prefix)/bin

sharedir ?= $(prefix)/share

gitk_libdir ?= $(sharedir)/gitk/lib

msgsdir ?= $(gitk_libdir)/msgs

msgsdir_SQ = $(subst ','\'',$(msgsdir))

SHELL_PATH ?= /bin/sh

TCL_PATH ?= tclsh

TCLTK_PATH ?= wish

INSTALL ?= install

RM ?= rm -f

DESTDIR_SQ = $(subst ','\'',$(DESTDIR))

bindir_SQ = $(subst ','\'',$(bindir))

TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))

TRACK_TCLTK = $(subst ','\'',-DTCLTK_PATH='$(TCLTK_PATH_SQ)')

GIT-TCLTK-VARS: FORCE

@VARS='$(TRACK_TCLTK)'; \

if test x"$$VARS" != x"`cat $@ 2>/dev/null`" ; then \

echo 1>&2 " * new Tcl/Tk interpreter location"; \

echo "$$VARS" >$@; \

fi

XGETTEXT ?= xgettext

ifdef NO_MSGFMT

MSGFMT ?= $(TCL_PATH) po/po2msg.sh

else

MSGFMT ?= msgfmt

ifneq ($(shell $(MSGFMT) --tcl -l C -d . /dev/null 2>/dev/null; echo $$?),0)

MSGFMT := $(TCL_PATH) po/po2msg.sh

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 $@ &&

all:: gitk-wish $(ALL_MSGFILES)

install:: all

$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'

$(INSTALL) -m 755 gitk-wish '$(DESTDIR_SQ)$(bindir_SQ)'/gitk

$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(msgsdir_SQ)'

$(foreach p,$(ALL_MSGFILES), $(INSTALL) -m 644 $p '$(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 GIT-TCLTK-VARS

gitk-wish: gitk GIT-TCLTK-VARS

$(QUIET_GEN)$(RM) $@ $@+ && \

$(SHELL_PATH) ./generate-tcl.sh "$(TCLTK_PATH_SQ)" "$<" "$@"

$(PO_TEMPLATE): gitk

$(XGETTEXT) -kmc -LTcl --package-name=Gitk -o $@ gitk

update-po:: $(PO_TEMPLATE)

$(foreach p, $(ALL_POFILES), echo Updating $p ; msgmerge -U --add-location $p $(PO_TEMPLATE) ; )

@echo "Before committing changes, ensure that a clean-filter is installed:"; \

echo; \

echo " git config filter.gettext-no-location.clean \"msgcat --no-location -\""

$(ALL_MSGFILES): %.msg : %.po

@echo Generating catalog $@

$(MSGFMT) --statistics --tcl -l $(basename $(notdir $<)) -d $(dir $@) $<

.PHONY: all install uninstall clean update-po

.PHONY: FORCE