=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for pngcrush-1.7.56-nolib.tar.xz
=> Checksum RMD160 OK for pngcrush-1.7.56-nolib.tar.xz
===> Installing dependencies for pngcrush-1.7.56
=> Tool dependency xz>=4.999.9betanb1: found xz-5.0.4
=> Full dependency png>=1.6.0nb1: found png-1.6.2
===> Overriding tools for pngcrush-1.7.56
===> Extracting for pngcrush-1.7.56
===> Patching for pngcrush-1.7.56
=> Applying pkgsrc patches for pngcrush-1.7.56
===> Creating toolchain wrappers for pngcrush-1.7.56