Am 18.02.2016 um 17:43 schrieb Dan Dennedy: > On Thu, Feb 18, 2016 at 8:32 AM Patrick Matthäi <pmatth...@debian.org > <mailto:pmatth...@debian.org>> wrote:
> cc -shared -Wl,-soname,libmlt.so.6 -Wl,--version-script=mlt.vers -o > libmlt.so.6.0.0 mlt_frame.o mlt_version.o mlt_geometry.o mlt_deque.o > mlt_property.o mlt_properties.o mlt_events.o mlt_parser.o mlt_service.o > mlt_producer.o mlt_multitrack.o mlt_playlist.o mlt_consumer.o > mlt_filter.o mlt_transition.o mlt_field.o mlt_tractor.o mlt_factory.o > mlt_repository.o mlt_pool.o mlt_tokeniser.o mlt_profile.o mlt_log.o > mlt_cache.o mlt_animation.o -fPIE -pie -Wl,-z,relro -Wl,-z,now > -Wl,--no-undefined -Wl,--as-needed -Wl,--no-undefined -Wl,--as-needed > -ldl -lpthread -lm > /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In > function `_start': > (.text+0x20): undefined reference to `main' > collect2: error: ld returned 1 exit status > Makefile:96: recipe for target 'libmlt.so.6.0.0' failed > > > > I do not know about these things and have no plans to address it in the > near future. A patch is welcome. > I tracked down the problem to PIE (address randomization aka ASLR), see [0]. With PIE enabled mlt fails to build from source. All other flags are enabled and I can not spot any problems, yet. [0]: https://wiki.debian.org/Hardening#DEB_BUILD_HARDENING_PIE_.28gcc.2Fg.2B-.2B-_-fPIE_-pie.29 -- /* Mit freundlichem Gruß / With kind regards, Patrick Matthäi GNU/Linux Debian Developer Blog: http://www.linux-dev.org/ E-Mail: pmatth...@debian.org patr...@linux-dev.org */
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