On Tue, Feb 26, 2019 at 8:44 AM John Reiser <jrei...@bitwagon.com> 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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