Hi,

On Sun, 20 Jan 2008, Shawn O. Pearce wrote:

quoted text
> Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> > [PATCH] Fall back to po2msg when msgfmt is unavailable
> > 
> > diff --git a/git-gui/Makefile b/git-gui/Makefile
> > index c109eab..c7921e7 100644
> > --- a/git-gui/Makefile
> > +++ b/git-gui/Makefile
> > @@ -210,7 +211,8 @@ $(PO_TEMPLATE): $(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)
> > +	$(QUIET_MSGFMT0)$(MSGFMT) --statistics --tcl -l $(basename $(notdir $<)) -d $(dir $@) $< $(QUIET_MSGFMT1) || \
> > +	$(QUIET_MSGFMT0)$(PO2MSG) --statistics --tcl -l $(basename $(notdir $<)) -d $(dir $@) $< $(QUIET_MSGFMT1)
> 
> That will cause the QUIET_MSGFMT0 script to echo twice; once when we try 
> to run msgfmt and again when we fallback to po2msg.
> 
> That messes with the user's display and won't look very nice coming out 
> of a supposedly quiet make.
> 
> In other words this is probably better:
> 
> +	$(QUIET_MSGFMT0)($(MSGFMT) --statistics --tcl -l $(basename $(notdir $<)) -d $(dir $@) $< || \
> +	$(PO2MSG) --statistics --tcl -l $(basename $(notdir $<)) -d $(dir $@) $< )$(QUIET_MSGFMT1)
> 
> But it is a lot uglier to read, and I tend to not like subshells.

It was exactly this ugliness which made me not do it.

Note: There might be yet a better way.  Instead of trying each and every 
time, we could detect the presence of msgfmt with something like this:

+ifeq $(shell msgfmt2 2>/dev/null >/dev/null; echo $?) = 127
+	MSGFMT = $(TCL_PATH) po/po2msg.sh
+endif

This is not tested, yet, tough,

Ciao,
Dscho

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