Currently, Qt on MXE uses mng (-lmng), which in turn uses lcms (-llcms). However, Poppler prefers lcms2 over lcms, and uses lcms2 when available. If Poppler is compiled with lcms2, then applications that use Qt and Poppler can't be linked. There is an option in Poppler that forces lcms even if lcms2 is available (--enable-cms=[auto/lcms1/lcms2/none]). Can --enable-cms=lcms1 be added to the list of options in Poppler's makefile?