Darryl L. Pierce created PROTON-202:
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             Summary:  build on non-x86 fails with "error: 'scanned' may be 
used uninitialized"
                 Key: PROTON-202
                 URL: https://issues.apache.org/jira/browse/PROTON-202
             Project: Qpid Proton
          Issue Type: Bug
          Components: proton-c
    Affects Versions: 0.3
            Reporter: Darryl L. Pierce
            Assignee: Darryl L. Pierce


Build of qpid-proton-0.3 fails on s390(x) and ppc(64) with an error from gcc

...
./usr/bin/cc  -Dqpid_proton_EXPORTS -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 
-fexceptions -fstack-protector --param=ssp-buffer-size=4  -m31 -march=z9-109 
-mtune=z10  -fPIC -I/builddir/build/BUILD/qpid-proton-c-0.3 
-I/builddir/build/BUILD/qpid-proton-c-0.3/include    -Werror -Wall 
-pedantic-errors -std=c99 -o CMakeFiles/qpid-proton.dir/src/messenger.c.o   -c 
/builddir/build/BUILD/qpid-proton-c-0.3/src/messenger.c
............/builddir/build/BUILD/qpid-proton-c-0.3/src/codec/codec.c: In 
function 'pn_data_vscan':
/builddir/build/BUILD/qpid-proton-c-0.3/src/codec/codec.c:1712:16: error: 
'scanned' may be used uninitialized in this function 
[-Werror=maybe-uninitialized]
cc1: all warnings being treated as errors
make[2]: *** [CMakeFiles/qpid-proton.dir/src/codec/codec.c.o] Error 1
...

Probably the understanding of the function by gcc differs between x86 and s390 
or ppc
gcc-4.7.2-8.fc18.s390
gcc-4.7.2-7.fc18.ppc

Version-Release number of selected component (if applicable):
qpid-proton-0.3-1.fc18

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