Now fixed hopefullytested on Slackware 15.0 i586 no-thirdparty build and termux/aarch64 rebuild with ffmpeg 6.0Slackware line was:LDFLAGS=`pkg-config --libs x11` setarch i686 ./configure --with-single-user --without-thirdparty --without-lv2 --without-libdpxmake there was:make --versionGNU Make 4.3Built for i586-slackware-linux-gnuCopyright (C) 1988-2020 Free Software Foundation, Inc.License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>This is free software: you are free to change and redistribute it.There is NO WARRANTY, to the extent permitted by law.I wonder if Debian 9 have earlier make?