On Tue, Feb 26, 2019 at 8:44 AM John Reiser <jreiser@xxxxxxxxxxxx> wrote:
> 'addedFunc' itself is 0 (NULL).
> Substituting testvoidarg.cpp.o as compiled by gcc-8.2.1-6.fc28.x86_64 (from the same source)
> gives the same SIGSEGV. So compiling testvoidarg.cpp with gcc-9 is no longer a suspect.
>
>
> I just performed a mockbuild for Fedora 29 and all tests passed... What am I missing?
Look at the final command (the static binding) that built the 'testvoidarg' executable:
=====
cd .../BUILD/apiextractor-0.10.10/x86_64-redhat-linux-gnu/tests &&
/usr/bin/cmake -E cmake_link_script CMakeFiles/testvoidarg.dir/link.txt --verbose=1
/usr/bin/c++ -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS \
-fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 \
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables \
-fstack-clash-protection -fcf-protection -Wall -fvisibility=hidden -DNDEBUG -Wl,-z,relro -Wl,-z,now \
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld -rdynamic CMakeFiles/testvoidarg.dir/testvoidarg.cpp.o \
-o testvoidarg -Wl,-rpath,.../BUILD/apiextractor-0.10.10/x86_64-redhat-linux-gnu/tests \
-lQtTest -lQtCore -lQtGui libapiextractor.so.0.10.10 -lxslt -lxml2 -lQtCore -lQtXmlPatterns -lQtXml
=====
Replace each piece, one-by-one, with the corresponding piece from Fedora 29,
(or from Fedora 30, but compiled by gcc-8.2.1-6) and test before replacing
the next piece, too. In this case: each '-l' argument, and the libapiextractor.so.0.10.10 .
The lines are identical other than rawhide added -Wl,--as-needed but I tried removing it and there was no difference.
I also checked the contents of all the spec files and they are also identical.
Is it definitely the linking? Or should I check the compiler arguments as well?
Thanks,
Richard
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