autoreconf: export WARNINGS=
autoreconf: Entering directory '.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force 
autoreconf: configure.ac: tracing
autoreconf: configure.ac: not using Libtool
autoreconf: configure.ac: not using Intltool
autoreconf: configure.ac: not using Gtkdoc
autoreconf: running: /usr/bin/autoconf --force
autoreconf: running: /usr/bin/autoheader --force
autoreconf: configure.ac: not using Automake
autoreconf: './install-sh' is updated
autoreconf: Leaving directory '.'
configure: WARNING: unrecognized options: --enable-qt6, --disable-qt5
configure: WARNING: unrecognized options: --enable-qt6, --disable-qt5
In file included from /usr/include/string.h:535,
                 from lib/avilib-0.6.10/avilib.h:45,
                 from lib/avilib-0.6.10/avilib.c:36:
In function ‘memset’,
    inlined from ‘avi_close_output_file’ at lib/avilib-0.6.10/avilib.c:1678:4:
/usr/include/bits/string_fortified.h:59:10: warning: ‘__builtin_memset’ offset [2053, 9223372036854775807] is out of the bounds [0, 2048] of object ‘AVI_header’ with type ‘unsigned char[2048]’ [-Warray-bounds=]
   59 |   return __builtin___memset_chk (__dest, __ch, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   60 |                                  __glibc_objsize0 (__dest));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/avilib-0.6.10/avilib.c: In function ‘avi_close_output_file’:
lib/avilib-0.6.10/avilib.c:1178:18: note: ‘AVI_header’ declared here
 1178 |    unsigned char AVI_header[HEADERBYTES];
      |                  ^~~~~~~~~~
In function ‘memset’,
    inlined from ‘avi_update_header’ at lib/avilib-0.6.10/avilib.c:1008:4:
/usr/include/bits/string_fortified.h:59:10: warning: ‘__builtin_memset’ offset [2053, 4294968316] is out of the bounds [0, 2048] of object ‘AVI_header’ with type ‘unsigned char[2048]’ [-Warray-bounds=]
   59 |   return __builtin___memset_chk (__dest, __ch, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   60 |                                  __glibc_objsize0 (__dest));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/avilib-0.6.10/avilib.c: In function ‘avi_update_header’:
lib/avilib-0.6.10/avilib.c:790:18: note: ‘AVI_header’ declared here
  790 |    unsigned char AVI_header[HEADERBYTES];
      |                  ^~~~~~~~~~