[Sugar-devel] Automake-fu question

[Sayamindu Dasgupta]

On Sun, Feb 21, 2010 at 8:40 PM, Tomeu Vizoso <tomeu at tomeuvizoso.net> wrote:
> On Fri, Feb 19, 2010 at 19:47, Andrés Ambrois <andresambrois at gmail.com> wrote:
>> Hello list!
>>
>> To provide mobile-broadband-provider-info support for the 3G feature, I need
>> to parse some system files, namely /usr/share/zoneinfo/iso3166.tab and
>> /usr/share/mobile-broadband-provider-info/serviceproviders.xml.  In order for
>> packagers to override those locations I created a config.py.in file that looks
>> like this:
>>
>> PROVIDERS_PATH = "@prefix@/share/mobile-broadband-provider-
>> info/serviceproviders.xml"
>> PROVIDERS_FORMAT_SUPPORTED = "2.0"
>> COUNTRY_CODES_PATH = "@prefix@/share/zoneinfo/iso3166.tab"
>>
>> Which is then converted by a make rule in Makefile.am into config.py. I
>> understand this is the recommended approach when using autotools [0].
>>
>> One of the problems is that this breaks jhbuild, because it uses
>> --prefix=/path/to/jhbuild/install. The other is that by default @prefix@ expands
>> to /usr/local/, which is not the usual location for these files.
>>
>> The full patch is [1], if you're interested.
>
> Hmm, as we want to know where the packages that provide those files
> were installed, and not where is Sugar installed, I think @prefix@ is
> not what we want here.
>
> The best I can think right now is harcoding to the /usr prefix, or
> adding a configure switch for each. Unless we can get those paths from
> a .pc file, which would be the ideal but I don't think it's likely.
>
> What do other packages that consume those files?
>

I think pkg-config would be right solution here (the package
iso-codes-devel provides the relevant .pc file which contains the
prefix)

-sdg-



-- 
Sayamindu Dasgupta
[http://sayamindu.randomink.org/ramblings]