[PATCH glibc 5/9] glibc: Perform rseq(2) registration at C startup and thread creation (v17)
Szabolcs Nagy
szabolcs.nagy@arm.com
Wed Apr 29 08:16:09 GMT 2020
The 04/28/2020 10:58, Mathieu Desnoyers wrote:
> ----- On Apr 28, 2020, at 8:54 AM, Florian Weimer fw@deneb.enyo.de wrote:
> > That one definitely should work.
> >
> > I expect you might see this if libgcc_s.so.1 is installed into a
> > multiarch subdirectory that upstream glibc does not search. (The
> > Debian patches are unfortunately not upstream.)
>
> My test environment is a Ubuntu 18.04.1 LTS.
>
> >
> > I think on my system, the built glibc can find the system libgcc_s via
> > /etc/ld.so.cache, so I haven't seen this issue yet.
>
> On my system, libgcc_s is provided here:
>
> /lib/x86_64-linux-gnu/libgcc_s.so.1
>
> by this package:
>
> Package: libgcc1
> Architecture: amd64
> Version: 1:8.4.0-1ubuntu1~18.04
before running the tests
cp `$CC --print-file-name libgcc_s.so.1` glibc/build/dir
cp `$CC --print-file-name libstdc++.so.6` glibc/build/dir
so those toolchain libs are in the search path
of the newly built libc when running tests.
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