1 diff --git a/SConstruct b/SConstruct
6 assert conf.CheckLibWithHeader('png', 'png.h', 'C', 'png_byte;', 1),"please install: libpng12-dev"
7 assert conf.CheckLibWithHeader('jpeg', 'jconfig.h', 'C', 'jpeg_std_error();', 1),"please install: libjpeg62-dev"
8 -assert conf.CheckLibWithHeader('tiff', 'tiff.h', 'C', 'inflate();', 1), "please install: libtiff4-dev"
9 +assert conf.CheckLibWithHeader('z', 'zlib.h', 'C', 'inflate;', 1), "please install: zlib"
10 +assert conf.CheckLibWithHeader('tiff', 'tiff.h', 'C', 'TIFFOpen();', 1), "please install: libtiff4-dev"
12 ### check for optional parts