Without having mesa installed, emerge x11-drivers/xf86-video-intel-2.9.1 fails to compile because of missing OpenGL-headers: [..] Making all in render_program CC i810_accel.o CC i810_cursor.o In file included from i810.h:60, from i810_accel.c:41: /usr/include/GL/glxint.h:36:19: error: GL/gl.h: No such file or directory [..] Installing mesa first and the intel driver hereafter solved the problem. Reproducible: Always
Created attachment 209831 [details] Build log
Mesa is a proper dep of xorg-server. You probably removed it with emerge --depclean or something. emerge -DuN world will probably want to emerge it back. Thanks