Is it not enough to have libpng-1.0.1 installed? I've installed it as libpng-1.0.1-3.i386.rpm on Linux/Intel, but it was not detected (`config.status --recheck`)... [furutaka＠titsib35 furutaka]$ ls -l /usr/lib/libpng.so* lrwxrwxrwx 1 root root 11 Aug 3 15:34 /usr/lib/libpng.so -> \ libpng.so.2 lrwxrwxrwx 1 root root 15 Aug 3 15:34 /usr/lib/libpng.so.2 ->\ libpng.so.2.1.0 -rwxr-xr-x 1 root root 114848 May 8 12:33 /usr/lib/libpng.so.2.1.0 -- Kazuyoshi Furutaka furutaka(a)tokai.pnc.go.jp furutaka(a)jb3.so-net.ne.jp