Just a heads-up, I'm currently looking into the FTBFS of firebird3.0 
on powerpc and the backtrace seems to tell the same story:
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Reading symbols from
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/powerpc-linux-gnu/libthread_db.so.1".
gpre: no source file named.
Program received signal SIGSEGV, Segmentation fault.
0x0fa79960 in _IO_wsetb () from /lib/powerpc-linux-gnu/libc.so.6
#0 0x0fa79960 in _IO_wsetb () from /lib/powerpc-linux-gnu/libc.so.6
#1 0x0fa88dac in ?? () from /lib/powerpc-linux-gnu/libc.so.6
#2 0x0fa3cd58 in ?? () from /lib/powerpc-linux-gnu/libc.so.6
#3 0x0fa3ce30 in exit () from /lib/powerpc-linux-gnu/libc.so.6
#4 0x10027f28 in CPR_exit (stat=263831632) at ./src/gpre/gpre.cpp:978
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
Anyone has reported this to glibc upstrem yet?
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FTBFS on powerpc
Status in glibc package in Ubuntu:
Status in lua5.1 package in Ubuntu:
Status in lua5.2 package in Ubuntu:
Status in lua5.3 package in Ubuntu:
On Matthias's archive rebuild for Xenial, we see build failures for
lua5.1, lua5.2, and lua5.3 on powerpc:
I've done some investigation, but not found the source of the
problems. Trying to capture what I know here.
The build fails because part of the build tries to run `src/lua5.3 -v`
and that segfaults. It crashes after main() exits in _IO_wsetb() in
glibc's wgenops.c:105. This is because f->_wide_data points to bogus
data. Setting a breakpoint in main() doesn't help because the data is
already corrupted by then. Setting a breakpoint in _start or _init
and then a watchpoint on this point shows that it gets corrupted in
_IO_check_libio() in glibc's oldstdfiles.c. We then thought the
likely culprit was compilation with g++ but linkage with gcc, however
fixing that to compile and link *everything* with g++ doesn't solve
the problem. This is the change we made in 5.3.1-1ubuntu1, which can
be thrown away.
But the problem *is* related to lua5.3's d/patches/0001-build-
system.patch because if you remove that from the quilt stack, you end
up with a src/lua (not version numbered) for which `lua -v` doesn't
My only other thought was that maybe libtool was corrupting things,
but I wasn't able to prove that. I tried various other
transformations of that patch without success.
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