gdb ./eador
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Reading symbols from ./eador...(no debugging symbols found)...done.
(gdb) run
Starting program: /mnt/disk/Games/GOG Games/Eador - Genesis/eador
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff4125700 (LWP 3325)]
[New Thread 0x7ffff3924700 (LWP 3326)]
[New Thread 0x7fffe7ffe700 (LWP 3329)]
[Thread 0x7fffe7ffe700 (LWP 3329) exited]
[New Thread 0x7fffe7ffe700 (LWP 3330)]
[New Thread 0x7fffe75f7700 (LWP 3331)]

Thread 1 "eador" received signal SIGSEGV, Segmentation fault.
0x00007ffff7afcb83 in pack_fwrite () from /usr/lib/x86_64-linux-gnu/liballeg.so.4.4
(gdb) bt
#0  0x00007ffff7afcb83 in pack_fwrite () from /usr/lib/x86_64-linux-gnu/liballeg.so.4.4
#1  0x00000000004a1e17 in ?? ()
#2  0x0000000000404107 in ?? ()
#3  0x00007ffff6c62830 in __libc_start_main (main=0x4033a0, argc=1, argv=0x7fffffffde78, init=<optimized>, fini=<optimized>,
    rtld_fini=<optimized>, stack_end=0x7fffffffde68) at ../csu/libc-start.c:291
#4  0x0000000000405912 in ?? ()
(gdb)

$ ./eador
Shutting down Allegro due to signal #11
Segmentation fault (core dumped)

liballegro4.4

sudo apt install liballegro4.4

libvorbis

libvorbis0a          libvorbis-dev        libvorbisfile3       libvorbisidec-dev    libvorbis-ocaml      libvorbisspi-java
libvorbis-dbg        libvorbisenc2        libvorbisidec1       libvorbis-java       libvorbis-ocaml-dev