Re: libqalculate FTBFS on mips* (ball, rem)
Julien BLACHE wrote:
> Thiemo Seufer <firstname.lastname@example.org> wrote:
> > I get consistently a segfault very early on startup (before __start is
> > hit) for any program linked with libcln (adding -lcln is enough):
> > (gdb) run
> > Starting program: /home/ths/colo/libqalculate-0.8.1.1/clntest
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x2ab2000c in cln::cl_heap_weak_hashtable_1<cln::cl_rcpointer, cln::cl_rcpointer>::garcol () from /usr/lib/libcln.so.3
> > (gdb) bt
> > #0 0x2ab2000c in cln::cl_heap_weak_hashtable_1<cln::cl_rcpointer, cln::cl_rcpointer>::garcol () from /usr/lib/libcln.so.3
> > #1 0x00000008 in ?? ()
> > warning: GDB can't find the start of the function at 0x8.
> That's this one, indeed. Though I didn't realize it happened even
> before __start.
> > This looks like the library tries to garbage collect from a global
> > constructor while the data it works on is still NULL.
> Sounds like it, but is there a reason why it happens only on mips ?
I haven't seen anything mips-specific there. The compiler flags
settings in cln's debian/rules don't exactly inspire confidence in
the source code, same goes for the "filter out the -Os optimization
to prevent segfaults" strategy in libqalculate.