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Bug#1015522: marked as done (libsigsegv: ftbfs with LTO (link time optimization) enabled)

Your message dated Wed, 24 Sep 2025 07:38:06 +0000
with message-id <E1v1K4k-005aPe-0C@fasolo.debian.org>
and subject line Bug#1015522: fixed in libsigsegv 2.15-1
has caused the Debian Bug report #1015522,
regarding libsigsegv: ftbfs with LTO (link time optimization) enabled
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
1015522: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015522
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: src:libsigsegv
Version: 2.14-1
Severity: minor
Tags: sid bookworm
User: debian-gcc@lists.debian.org
Usertags: ftbfs-lto

This package currently fails to build (at least on the amd64
architecture) with link time optimizations enabled.  For a background
for LTO please see

https://wiki.debian.org/ToolChain/LTO

The goal is to enable this optimization by default in an upcoming
Debian release in dpkg-buildflags for 64bit architectures.  The goal
is to get this package to build with link time optimizations, or to
explicitly disable link time optimizations for this package build.

To reproduce the build failure, enable the lto optimization in
testing/unstable by adding "optimize=+lto" to DEB_BUILD_MAINT_OPTIONS
in the debian/rules file, or if this macro is unset, just set it:

export DEB_BUILD_MAINT_OPTIONS = optimize=+lto

Please try to fix the build with lto enabled, fixing the packaging or
forwarding the issue upstream. If the issue cannot be fixed,
explicitly disallow building the package with lto by adding to your
rules file:

export DEB_BUILD_MAINT_OPTIONS = optimize=-lto

or adding that string to your existing setting of DEB_BUILD_MAINT_OPTIONS.

The full build log can be found at:
http://qa-logs.debian.net/2022/06/09/dpkglto/libsigsegv_2.14-1_unstable_dpkglto.log
The last lines of the build log are at the end of this report.

[...]
In file included from fault-linux-x86_64-old.h:17,
                 from fault.h:36,
                 from handler-unix.c:77,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/asm/sigcontext.h:98:8: error: redefinition of ‘struct _xmmreg’
   98 | struct _xmmreg {
      |        ^~~~~~~
In file included from /usr/include/signal.h:288,
                 from sigsegv.h:31,
                 from handler-unix.c:25,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/bits/sigcontext.h:53:8: note: originally defined here
   53 | struct _xmmreg
      |        ^~~~~~~
In file included from fault-linux-x86_64-old.h:17,
                 from fault.h:36,
                 from handler-unix.c:77,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/asm/sigcontext.h:180:8: error: redefinition of ‘struct _ymmh_state’
  180 | struct _ymmh_state {
      |        ^~~~~~~~~~~
In file included from /usr/include/signal.h:288,
                 from sigsegv.h:31,
                 from handler-unix.c:25,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/bits/sigcontext.h:184:8: note: originally defined here
  184 | struct _ymmh_state
      |        ^~~~~~~~~~~
In file included from fault-linux-x86_64-old.h:17,
                 from fault.h:36,
                 from handler-unix.c:77,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/asm/sigcontext.h:192:8: error: redefinition of ‘struct _xstate’
  192 | struct _xstate {
      |        ^~~~~~~
In file included from /usr/include/signal.h:288,
                 from sigsegv.h:31,
                 from handler-unix.c:25,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/bits/sigcontext.h:189:8: note: originally defined here
  189 | struct _xstate
      |        ^~~~~~~
In file included from fault-linux-x86_64-old.h:17,
                 from fault.h:36,
                 from handler-unix.c:77,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/asm/sigcontext.h:317:8: error: redefinition of ‘struct sigcontext’
  317 | struct sigcontext {
      |        ^~~~~~~~~~
In file included from /usr/include/signal.h:288,
                 from sigsegv.h:31,
                 from handler-unix.c:25,
                 from handler.c:19:
/usr/include/x86_64-linux-gnu/bits/sigcontext.h:139:8: note: originally defined here
  139 | struct sigcontext
      |        ^~~~~~~~~~
In file included from handler.c:19:
handler-unix.c: In function ‘sigsegv_handler’:
handler-unix.c:359:57: warning: initialization of ‘stackoverflow_context_t’ {aka ‘struct sigcontext *’} from incompatible pointer type ‘struct sigcontext *’ [-Wincompatible-pointer-types]
  359 |                       stackoverflow_context_t context = (SIGSEGV_FAULT_CONTEXT);
      |                                                         ^
make[3]: *** [Makefile:496: handler.lo] Error 1
make[3]: Leaving directory '/<<PKGBUILDDIR>>/src'
make[2]: *** [Makefile:434: all-recursive] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: *** [Makefile:366: all] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_build: error: make -j8 returned exit code 2
make: *** [debian/rules:9: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

--- End Message ---
--- Begin Message --- 
Source: libsigsegv
Source-Version: 2.15-1
Done: Peter Van Eynde <pvaneynd@debian.org>

We believe that the bug you reported is fixed in the latest version of
libsigsegv, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1015522@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Peter Van Eynde <pvaneynd@debian.org> (supplier of updated libsigsegv package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


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Hash: SHA512

Format: 1.8
Date: Wed, 24 Sep 2025 08:24:18 +0200
Source: libsigsegv
Architecture: source
Version: 2.15-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Common Lisp Team <debian-common-lisp@lists.debian.org>
Changed-By: Peter Van Eynde <pvaneynd@debian.org>
Closes: 1015522
Changes:
 libsigsegv (2.15-1) unstable; urgency=medium
 .
   [ Sébastien Villemot ]
   * Remove myself from Uploaders
 .
   [ Peter Van Eynde ]
   * Add all signing keys
   * New upstream version 2.15
   * This upstream also works with LTO (link time optimization) enabled.
     (Closes: #1015522)
Checksums-Sha1:
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 2ac62456ce0834107ed8e5709e91794485c2d8e4 494383 libsigsegv_2.15.orig.tar.gz
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 ea5f2db23991402a8d32df88073b78468ebbbac6 23412 libsigsegv_2.15-1.debian.tar.xz
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Checksums-Sha256:
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Files:
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 a45d06d11866c7195fc65528ca128bfc 6450 libdevel optional libsigsegv_2.15-1_amd64.buildinfo

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