Hi, On 07/03/18 14:32, s3rj1k wrote: > 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. I'm not sure I understand what you mean. Do you have any logs? A stack backtrace? Specifically what commands do you run to get the segfault? > 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 If this flag genuinely does fix the segfault, then there's likely some undefined behavior in libopenmpt which the compiler is exploiting and your suggested fix would just hide the real bug. Thanks, James
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