Install libmng by running the following commands: cp configure configure.bak && sed 's/lcms\/lcms.h/lcms.h/' configure.bak > configure && ./configure --prefix=/usr --with-zlib \ --with-jpeg --with-lcms && make && make install && cp doc/man/*.3 /usr/share/man/man3 && cp doc/man/*.5 /usr/share/man/man5