9c8df5ee67
- introduce X11FLAVOUR to choose src/x11 vs src/external/mit/xorg for the X11 to build if MKX11=yes is set. it takes the values of either Xorg or XFree86. - default to Xorg on alpha, i386, macppc, shark, sparc and sparc64 - remove MKXORG_WITH_XSRC_XSERVER, unused and never useful