Gentoo's Bugzilla –
Attachment 397024 Details for
Bug 494308x11-drivers/xf86-video-qxl-0.1.1 - In function 'spiceqxl_display_monitors_config': .../work/xf86-video-qxl-0.1.1/src/spiceqxl_display.c:353:56: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]