curl -# https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz tar -xf flex-2.6.4.tar.gz cd flex-2.6.4 sed -i "/math.h/a #include " src/flexdef.h HELP2MAN=/tools/bin/true ./configure --prefix=/usr --docdir=/usr/share/doc/flex-2.6.4 make make check make install DESTDIR="$1" ln -sv flex $1/usr/bin/lex