Bug#892272: libopenmpt0: segfaults with memcopy if loaded from external application

[s3rj1k <evasive.gyron@gmail.com>]

Package: libopenmpt0
Version: 0.2.7386~beta20.3-3+deb9u2
Severity: important

Dear Maintainer,

 Using this shared library with external application creates segfault
 with memcopy related functions.

 This can be avoided if one would recompile with -O3 optimization as actually
 does upstream in their makefile (not autotool sources)

 Adding this to rules effectively fixes issue:

 export DEB_CXXFLAGS_MAINT_APPEND = -O3

-- System Information:
Debian Release: 9.3
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-6-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libopenmpt0 depends on:
ii  libc6           2.24-11+deb9u1
ii  libgcc1         1:6.3.0-18+deb9u1
ii  libmpg123-0     1.23.8-1+b1
ii  libstdc++6      6.3.0-18+deb9u1
ii  libvorbis0a     1.3.5-4+deb9u1
ii  libvorbisfile3  1.3.5-4+deb9u1
ii  zlib1g          1:1.2.8.dfsg-5

libopenmpt0 recommends no packages.

libopenmpt0 suggests no packages.

-- no debconf information