...
checking for jmorecfg.h... yes
checking jpeglib.h usability... yes
checking jpeglib.h presence... yes
checking for jpeglib.h... yes
checking for jpeg_read_header in -ljpeg... yes
checking for JPEG library is version 6b or later... yes
yes
checking if JPEG package is complete... yes
checking for ZLIB support ...
checking zconf.h usability... yes
...