Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes: > - cc_check -lpng -lz && _png=yes > + for ld_tmp in "-lpng -lz" "-lpng16 -lz" ; do > + cc_check $ld_tmp && _png=yes && break > + done This is not sufficient as they decided to also change the installation directory for png.h Sorry for the noise, Carl Eugen