#MAIN_LDLIBS="$MAIN_LDLIBS -lz"
#check_zlib || fail "please install zlib (libz-dev)"
MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
check_libpng || fail "please install libpng (libpng-dev)"
#MAIN_LDLIBS="$MAIN_LDLIBS -lz"
#check_zlib || fail "please install zlib (libz-dev)"
MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
check_libpng || fail "please install libpng (libpng-dev)"