Re: [ptxdist] [PATCH 6/7] host-cups: new package: CUPS PPD compiler

[Roland Hieber <r.hieber@pengutronix.de>]

On 22.09.2017 16:04, Michael Olbrich wrote:
> On Fri, Sep 22, 2017 at 02:06:58PM +0200, Juergen Borleis wrote:
>> When you install to "$(PTXDIST_SYSROOT_HOST)/bin" and
>> "$(PTXDIST_SYSROOT_HOST)/lib" the cross-ppdc variant can be reduced to:
>>
>> 	( \
>> 		echo '#!/bin/sh'; \
>> 		echo $(PTXDIST_SYSROOT_HOST)/bin/ppdc -I $(PTXDIST_SYSROOT_HOST)/share/cups/ppdc "$$@"'; \
>> 	) > $(CROSS_PPDC)
> 
> This realy depends on what '-I' means and the difference between the
> content of $(SYSROOT)/usr/share/cups/ppdc and
> $(PTXDIST_SYSROOT_HOST)/share/cups/ppdc.
> 
> ppdc is used at build-time by packages that create extra cups filters,
> right? If there are differences, then the original command-line is correct.
> In that case host-cups must depend on cup and the package using ppdc must
> depend on host-cups.
> Or, if such packages depend on cups anyways (maybe link to something?) you
> could create an options CUPS_PPDC that trigger a dependency on host-cups
> and create the cross ppdc wrapper in cups.make.

That was also my first thought. But a diff -r on 
$(PTXDIST_SYSROOT_HOST)/share/cups/ppdc and 
$(PTXDIST_SYSROOT_TARGET)/usr/share/cups/ppdc shows that they don't 
differ. So I think we can spare a dependency on target-CUPS if only the 
host ppdc is needed.

  - Roland


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