--- /dev/null
- $(RM) gitk-wish po/*.msg
+# 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))
+
+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))
+
++### Detect Tck/Tk interpreter path changes
++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
++
+## po-file creation rules
+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 $$?),0)
+ MSGFMT := $(TCL_PATH) po/po2msg.sh
+ endif
+endif
+
+PO_TEMPLATE = po/gitk.pot
+ALL_POFILES = $(wildcard po/*.po)
+ALL_MSGFILES = $(subst .po,.msg,$(ALL_POFILES))
+
+ifndef V
+ QUIET = @
+ QUIET_GEN = $(QUIET)echo ' ' GEN $@ &&
+endif
+
+all:: gitk-wish $(ALL_MSGFILES)
+
+install:: all
+ $(INSTALL) -m 755 gitk-wish '$(DESTDIR_SQ)$(bindir_SQ)'/gitk
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(msgsdir_SQ)'
+ $(foreach p,$(ALL_MSGFILES), $(INSTALL) -m 644 $p '$(DESTDIR_SQ)$(msgsdir_SQ)' &&) true
+
+uninstall::
+ $(foreach p,$(ALL_MSGFILES), $(RM) '$(DESTDIR_SQ)$(msgsdir_SQ)'/$(notdir $p) &&) true
+ $(RM) '$(DESTDIR_SQ)$(bindir_SQ)'/gitk
+
+clean::
- gitk-wish: gitk
++ $(RM) gitk-wish po/*.msg GIT-TCLTK-VARS
+
++gitk-wish: gitk GIT-TCLTK-VARS
+ $(QUIET_GEN)$(RM) $@ $@+ && \
+ sed -e '1,3s|^exec .* "$$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 $@)
+
++.PHONY: all install uninstall clean update-po
++.PHONY: FORCE