git/gitk-git/Makefile

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Makefile
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# The default target of this Makefile is...
all::
prefix ?= $(HOME)
bindir ?= $(prefix)/bin
TCLTK_PATH ?= wish
INSTALL ?= install
RM ?= rm -f
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
ifndef V
QUIET = @
QUIET_GEN = $(QUIET)echo ' ' GEN $@ &&
endif
all:: gitk-wish
install:: all
$(INSTALL) gitk-wish '$(DESTDIR_SQ)$(bindir_SQ)'/gitk
clean::
$(RM) gitk-wish
gitk-wish: gitk
$(QUIET_GEN)$(RM) $@ $@+ && \
sed -e '1,3s|^exec .* "$$0"|exec $(subst |,'\|',$(TCLTK_PATH_SQ)) "$$0"|' <gitk >$@+ && \
chmod +x $@+ && \
mv -f $@+ $@