- extensions to build:
compiletc.tcz
meson.tcz
ninja.tcz
boost.tcz
squashfs-tools.tcz
expat2-dev.tcz

- compiler flags:
   export CFLAGS="-march=i486 -mtune=i686 -Os -pipe"
   export CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe"
   export LDFLAGS="-Wl,-O1"

- build:
   meson --prefix /usr/local --buildtype=plain . output
   ninja -C output
   sudo DESTDIR=path