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Bug#950254: initramfs-tools: Please make libpthread pull in libgcc_s

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Package: initramfs-tools
Version: 0.136
Severity: wishlist

Dear Maintainer,

libthread appears to load libgcc_s via dlopen, so copy_exec() won't copy
it to the initramfs image.  This causes pthread_cancel to fail with

    LIBGCC_S_SO must be installed for pthread_cancel to work
    https://sources.debian.org/src/glibc/2.29-9/fbtl/sysdeps/pthread/unwind-forcedunwind.c/#L64

Some packages (cryptsetup-initramfs, open-iscsi, btrfs-progs, and
probably others) have added brittle workarounds to their initramfs hooks
to copy libgcc_s.  As discussed here at HSBXL, please consider making
libthread pull libgcc_s.  (Or alternatively, providing a helper function
so these packages don't need to reinvent the wheel.)

Thanks,
cheers,
-- 
Guilhem.

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Bug#950254: initramfs-tools: Please make libpthread pull in libgcc_s Guilhem Moulin <guilhem@debian.org> - 2020-01-30 16:50 +0100
  Bug#950254: System not boot because of missing libgcc_s.so.1 when unlocking the encrypted disk Jens Yllman <jens@yllman.se> - 2020-02-03 09:30 +0100
  Bug#950254: initramfs-tools: Please make libpthread pull in libgcc_s Vincent Bernat <bernat@debian.org> - 2020-02-03 13:30 +0100
    Bug#950254: initramfs-tools: Please make libpthread pull in libgcc_s Guilhem Moulin <guilhem@debian.org> - 2020-02-05 01:30 +0100
  Bug#950254: marked as done (initramfs-tools: Please make  libpthread pull in libgcc_s) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2020-04-28 21:30 +0200

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