[Fedora-packaging] Question about how libgcj-devel requires zlib

[Denis Leroy]

seth vidal wrote:
> On Mon, 2008-09-22 at 11:33 -0500, Bruno Wolff III wrote:
>> While playing with custom repos I noticed that libgcj-devel requires a
>> file from zlib-devel that isn't explicitly provided. In a mixed x86_86 / i386
>> environmentment this requires looking at the file lists to see that
>> libgcj-devel-4.3.2-4.i386 needs zlib-1.2.3-18.fc9.i386 and that
>> zlib-1.2.3-18.fc9.x86_64 isn't good enough.
>>
>> I am not sure if this is actually a bug though and if so, which package
>> is at fault. I was hoping to get some guidance here on whether or not
>> this is something I should bugzilla.
> 
> I think that file dep is explicit - b/c libgcj-devel-4.3.2-4.i386 needs
> the i386 version of that package - not the x86_64.

do you know what is the technical reason for this dependency ? Exotic 
build system ?