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Shawn O. Pearce 2f7c9a7f31 git-gui: Support native Win32 Tcl/Tk under Cygwin 
Cygwin has been stuck on the 8.4.1 version of Tcl/Tk for quite some
time, even though the main Tcl/Tk distribution is already shipping
an 8.4.15.  The problem is Tcl/Tk no longer supports Cygwin so
apparently building the package for Cygwin is now a non-trivial task.

Its actually quite easy to build the native Win32 version of Tcl/Tk
by compiling with the -mno-cygwin flag passed to GCC but this means
we lose all of the "fancy" Cygwin path translations that the Tcl
library was doing for us.  This is particularly an issue when we
are trying to start git-gui through the git wrapper as the git
wrapper is passing off a Cygwin path for $0 and Tcl cannot find
the startup script or the library directory.

We now use `cygpath -m -a` to convert the UNIX style paths to Windows
style paths in our startup script if we are building on Cygwin.
Doing so allows either the Cygwin-ized Tcl/Tk 8.4.1 that comes with
Cygwin or a manually built 8.4.15 that is running the pure Win32
implementation to read our script.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-20 23:16:53 -04:00

215 lines
7.1 KiB
Makefile
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all::
# Define V=1 to have a more verbose compile.
#
GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
@$(SHELL_PATH) ./GIT-VERSION-GEN
-include GIT-VERSION-FILE
uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
SCRIPT_SH = git-gui.sh
GITGUI_BUILT_INS = git-citool
ALL_PROGRAMS = $(GITGUI_BUILT_INS) $(patsubst %.sh,%,$(SCRIPT_SH))
ALL_LIBFILES = $(wildcard lib/*.tcl)
PRELOAD_FILES = lib/class.tcl
ifndef SHELL_PATH
SHELL_PATH = /bin/sh
endif
ifndef gitexecdir
gitexecdir := $(shell git --exec-path)
endif
ifndef sharedir
sharedir := $(dir $(gitexecdir))share
endif
ifndef INSTALL
INSTALL = install
endif
RM_F ?= rm -f
RMDIR ?= rmdir
INSTALL_D0 = $(INSTALL) -d -m755 # space is required here
INSTALL_D1 =
INSTALL_R0 = $(INSTALL) -m644 # space is required here
INSTALL_R1 =
INSTALL_X0 = $(INSTALL) -m755 # space is required here
INSTALL_X1 =
INSTALL_L0 = rm -f # space is required here
INSTALL_L1 = && ln # space is required here
INSTALL_L2 =
INSTALL_L3 =
REMOVE_D0 = $(RMDIR) # space is required here
REMOVE_D1 = || true
REMOVE_F0 = $(RM_F) # space is required here
REMOVE_F1 =
CLEAN_DST = true
ifndef V
QUIET = @
QUIET_GEN = $(QUIET)echo ' ' GEN $@ &&
QUIET_BUILT_IN = $(QUIET)echo ' ' BUILTIN $@ &&
QUIET_INDEX = $(QUIET)echo ' ' INDEX $(dir $@) &&
QUIET_MSGFMT0 = $(QUIET)printf ' MSGFMT %12s ' $@ && v=`
QUIET_MSGFMT1 = 2>&1` && echo "$$v" | sed -e 's/fuzzy translations/fuzzy/' | sed -e 's/ messages//g'
QUIET_2DEVNULL = 2>/dev/null
INSTALL_D0 = dir=
INSTALL_D1 = && echo ' ' DEST $$dir && $(INSTALL) -d -m755 "$$dir"
INSTALL_R0 = src=
INSTALL_R1 = && echo ' ' INSTALL 644 `basename $$src` && $(INSTALL) -m644 $$src
INSTALL_X0 = src=
INSTALL_X1 = && echo ' ' INSTALL 755 `basename $$src` && $(INSTALL) -m755 $$src
INSTALL_L0 = dst=
INSTALL_L1 = && src=
INSTALL_L2 = && dst=
INSTALL_L3 = && echo ' ' 'LINK ' `basename "$$dst"` '->' `basename "$$src"` && rm -f "$$dst" && ln "$$src" "$$dst"
CLEAN_DST = echo ' ' UNINSTALL
REMOVE_D0 = dir=
REMOVE_D1 = && echo ' ' REMOVE $$dir && test -d "$$dir" && $(RMDIR) "$$dir" || true
REMOVE_F0 = dst=
REMOVE_F1 = && echo ' ' REMOVE `basename "$$dst"` && $(RM_F) "$$dst"
endif
TCL_PATH ?= tclsh
TCLTK_PATH ?= wish
ifeq ($(findstring $(MAKEFLAGS),s),s)
QUIET_GEN =
QUIET_BUILT_IN =
endif
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
gitexecdir_SQ = $(subst ','\'',$(gitexecdir))
SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
TCL_PATH_SQ = $(subst ','\'',$(TCL_PATH))
TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
TCLTK_PATH_SED = $(subst ','\'',$(subst \,\\,$(TCLTK_PATH)))
gg_libdir ?= $(sharedir)/git-gui/lib
libdir_SQ = $(subst ','\'',$(gg_libdir))
libdir_SED = $(subst ','\'',$(subst \,\\,$(gg_libdir)))
exedir = $(dir $(gitexecdir))share/git-gui/lib
GITGUI_SCRIPT := $$0
GITGUI_RELATIVE :=
ifeq ($(exedir),$(gg_libdir))
GITGUI_RELATIVE := 1
endif
ifeq ($(uname_O),Cygwin)
GITGUI_SCRIPT := `cygpath --windows --absolute "$(GITGUI_SCRIPT)"`
ifeq ($(GITGUI_RELATIVE),)
gg_libdir := $(shell cygpath --windows --absolute "$(gg_libdir)")
endif
endif
$(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
$(QUIET_GEN)rm -f $@ $@+ && \
sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
-e '1,30s|^ argv0=$$0| argv0=$(GITGUI_SCRIPT)|' \
-e '1,30s|^ exec wish | exec '\''$(TCLTK_PATH_SED)'\'' |' \
-e 's/@@GITGUI_VERSION@@/$(GITGUI_VERSION)/g' \
-e 's|@@GITGUI_RELATIVE@@|$(GITGUI_RELATIVE)|' \
-e '$(GITGUI_RELATIVE)s|@@GITGUI_LIBDIR@@|$(libdir_SED)|' \
$@.sh >$@+ && \
chmod +x $@+ && \
mv $@+ $@
$(GITGUI_BUILT_INS): git-gui
$(QUIET_BUILT_IN)rm -f $@ && ln git-gui $@
XGETTEXT ?= xgettext
MSGFMT ?= msgfmt
msgsdir = $(gg_libdir)/msgs
msgsdir_SQ = $(subst ','\'',$(msgsdir))
PO_TEMPLATE = po/git-gui.pot
ALL_POFILES = $(wildcard po/*.po)
ALL_MSGFILES = $(subst .po,.msg,$(ALL_POFILES))
$(PO_TEMPLATE): $(SCRIPT_SH) $(ALL_LIBFILES)
$(XGETTEXT) -kmc -LTcl -o $@ $(SCRIPT_SH) $(ALL_LIBFILES)
update-po:: $(PO_TEMPLATE)
$(foreach p, $(ALL_POFILES), echo Updating $p ; msgmerge -U $p $(PO_TEMPLATE) ; )
$(ALL_MSGFILES): %.msg : %.po
$(QUIET_MSGFMT0)$(MSGFMT) --statistics --tcl $< -l $(basename $(notdir $<)) -d $(dir $@) $(QUIET_MSGFMT1)
lib/tclIndex: $(ALL_LIBFILES)
$(QUIET_INDEX)if echo \
$(foreach p,$(PRELOAD_FILES),source $p\;) \
auto_mkindex lib '*.tcl' \
| $(TCL_PATH) $(QUIET_2DEVNULL); then : ok; \
else \
echo 1>&2 " * $(TCL_PATH) failed; using unoptimized loading"; \
rm -f $@ ; \
echo '# Autogenerated by git-gui Makefile' >$@ && \
echo >>$@ && \
$(foreach p,$(PRELOAD_FILES) $(ALL_LIBFILES),echo '$(subst lib/,,$p)' >>$@ &&) \
echo >>$@ ; \
fi
# These can record GITGUI_VERSION
$(patsubst %.sh,%,$(SCRIPT_SH)): GIT-VERSION-FILE GIT-GUI-VARS
lib/tclIndex: GIT-GUI-VARS
TRACK_VARS = \
$(subst ','\'',SHELL_PATH='$(SHELL_PATH_SQ)') \
$(subst ','\'',TCL_PATH='$(TCL_PATH_SQ)') \
$(subst ','\'',TCLTK_PATH='$(TCLTK_PATH_SQ)') \
$(subst ','\'',gitexecdir='$(gitexecdir_SQ)') \
$(subst ','\'',gg_libdir='$(libdir_SQ)') \
#end TRACK_VARS
GIT-GUI-VARS: .FORCE-GIT-GUI-VARS
@VARS='$(TRACK_VARS)'; \
if test x"$$VARS" != x"`cat $@ 2>/dev/null`" ; then \
echo 1>&2 " * new locations or Tcl/Tk interpreter"; \
echo 1>$@ "$$VARS"; \
fi
all:: $(ALL_PROGRAMS) lib/tclIndex $(ALL_MSGFILES)
install: all
$(QUIET)$(INSTALL_D0)'$(DESTDIR_SQ)$(gitexecdir_SQ)' $(INSTALL_D1)
$(QUIET)$(INSTALL_X0)git-gui $(INSTALL_X1) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
$(QUIET)$(foreach p,$(GITGUI_BUILT_INS), $(INSTALL_L0)'$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' $(INSTALL_L1)'$(DESTDIR_SQ)$(gitexecdir_SQ)/git-gui' $(INSTALL_L2)'$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' $(INSTALL_L3) &&) true
$(QUIET)$(INSTALL_D0)'$(DESTDIR_SQ)$(libdir_SQ)' $(INSTALL_D1)
$(QUIET)$(INSTALL_R0)lib/tclIndex $(INSTALL_R1) '$(DESTDIR_SQ)$(libdir_SQ)'
$(QUIET)$(foreach p,$(ALL_LIBFILES), $(INSTALL_R0)$p $(INSTALL_R1) '$(DESTDIR_SQ)$(libdir_SQ)' &&) true
$(QUIET)$(INSTALL_D0)'$(DESTDIR_SQ)$(msgsdir_SQ)' $(INSTALL_D1)
$(QUIET)$(foreach p,$(ALL_MSGFILES), $(INSTALL_R0)$p $(INSTALL_R1) '$(DESTDIR_SQ)$(msgsdir_SQ)' &&) true
uninstall:
$(QUIET)$(CLEAN_DST) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
$(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/git-gui $(REMOVE_F1)
$(QUIET)$(foreach p,$(GITGUI_BUILT_INS), $(REMOVE_F0)'$(DESTDIR_SQ)$(gitexecdir_SQ)'/$p $(REMOVE_F1) &&) true
$(QUIET)$(CLEAN_DST) '$(DESTDIR_SQ)$(libdir_SQ)'
$(QUIET)$(REMOVE_F0)'$(DESTDIR_SQ)$(libdir_SQ)'/tclIndex $(REMOVE_F1)
$(QUIET)$(foreach p,$(ALL_LIBFILES), $(REMOVE_F0)'$(DESTDIR_SQ)$(libdir_SQ)'/$(notdir $p) $(REMOVE_F1) &&) true
$(QUIET)$(CLEAN_DST) '$(DESTDIR_SQ)$(msgsdir_SQ)'
$(QUIET)$(foreach p,$(ALL_MSGFILES), $(REMOVE_F0)'$(DESTDIR_SQ)$(msgsdir_SQ)'/$(notdir $p) $(REMOVE_F1) &&) true
$(QUIET)$(REMOVE_D0)'$(DESTDIR_SQ)$(gitexecdir_SQ)' $(REMOVE_D1)
$(QUIET)$(REMOVE_D0)'$(DESTDIR_SQ)$(msgsdir_SQ)' $(REMOVE_D1)
$(QUIET)$(REMOVE_D0)'$(DESTDIR_SQ)$(libdir_SQ)' $(REMOVE_D1)
$(QUIET)$(REMOVE_D0)`dirname '$(DESTDIR_SQ)$(libdir_SQ)'` $(REMOVE_D1)
dist-version:
@mkdir -p $(TARDIR)
@echo $(GITGUI_VERSION) > $(TARDIR)/version
clean::
rm -f $(ALL_PROGRAMS) lib/tclIndex po/*.msg
rm -f GIT-VERSION-FILE GIT-GUI-VARS
.PHONY: all install uninstall dist-version clean
.PHONY: .FORCE-GIT-VERSION-FILE
.PHONY: .FORCE-GIT-GUI-VARS
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