Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
Is lcms listed as a library for the LIBS tag? The LCMS delegate library is required to apply color profiles to an image. You could use the option -colorspace CMYK but the color conversion can not match that of a profile conversion.