Compiling Lilypond on Termux
~ $ echo "foo" > $PREFIX/tmp/foo; iconv -f utf-8 -t latin1 -o $PREFIX/tmp/{bar,foo}
Usage: iconv [-c] [-s] [-f fromcode] [-t tocode] [file ...]
or: iconv -l
Try '/data/data/com.termux/files/usr/bin/iconv --help' for more information.