[PROTON-202] build on non-x86 fails with "error: 'scanned' may be used uninitialized"

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-0.3
• Component/s: proton-c
• Assignee: Darryl Pierce
• Reporter: Darryl Pierce
• Created: 25/Jan/13 14:43
• Updated: 08/Jan/16 10:57
• Resolved: 25/Jan/13 14:57

Description

Build of qpid-proton-0.3 fails on s390 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