the do-build target so CC & friends get set in the enviroment so jam
can pick them up. This fixes the build on 9.3-R amd64. [1]
* Add patch from debian to fix segfault in dispwin with bad command
line options
Submitted by: pkg-fallout [1]
ArgyllCMS is an ICC compatible color management system. It supports
accurate ICC profile creation for scanners, cameras and film recorders
and calibration and profiling of displays and RGB & CMYK printers.