libjpeg build procedure does not pass -m32 (or equivalent) flags to the linker,
so while object files are generated in 32-bit mode, resulting .so file is linked
in as for x86_64 architecture. Resulting shared library is unusable and build
This happens when compiling libjpeg-6b-37.src.rpm on x86_64 machine running FC6.
rpmbuild --rebuild --target=i386 libjpeg-6b-37.src.rpm
/usr/bin/ld: warning: i386 architecture of input file `jcapimin.lo' is
incompatible with i386:x86-64 output
./djpeg -dct int -ppm -outfile testout.ppm ./testorig.jpg
make: *** [test] Segmentation fault
Created attachment 154091 [details]
buildlog of libjpeg
Hmm ... in part this is the lack of CFLAGS in the linker calls, which is the same problem complained of in
bug #244778. However, after applying their patch and trying to build according to your example, what I
get is 32-bit libraries installed in /usr/lib64 :-(. AFAICT this is not the fault of the specfile; %configure is
generating --libdir=/usr/lib64 so the problem is somewhere in the RPM infrastructure. I'm not by any
means an RPM guru; but I wonder whether setting --target is supposed to be enough, or whether you
must also set --host and/or --build to make this work.
Anyway, please experiment with libjpeg-6b-38, pushed to F7 testing today, since that at least fixes the
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You also need to remove or adjust /etc/rpm/platform
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