After your make World BOOTSTRAPCFLAGS="... succeed,
make installto install in /usr/X11R6. Make sure you have enough space, and /usr/X11R6 exists either as a directory or a symlink to another directory maybe in another filesystem.
make install.manto install the compressed nroff versions of the manual pages into /usr/X11R6/man. This directory will be generated if it doesn't exist.
You should tune the Kernel using the command-file
/usr/X11R6/lib/X11/etc/xf86install
This will increase the available pseudo devices,
some Tunable Parameters and install some files
to use inside sysadm. You could also install
some additional Fonts and Terminal files.
This is now a menu driven config tool for XFree86 on IUS For the first setup you should go from 1 to x step by step. Here is its main screen
X11R6 XFree86 Version (version)
-------------------------------------------------------------------------------
Check dependencies: 1
Make XFree86 Label 2
Install Remove script 3
Setup node.d + sdevice.d Files 4
Tune Kernel Variables 5
Tune PseudoTerminals 6
Install xterm terminal entries 7
Install VGA font 8
Save current KernelConfig 9
Exit X
Your Choice [1-9]?<enter>:
You also should increase MAXUMEM to its maximum, else programs may die with:
X Error of failed request: BadAlloc (insufficient resources for operation) Major opcode of failed request: 53 (X_CreatePixmap) Serial number of failed request: 37791 Current serial number in output stream: 37822 Widget hierarchy of resource: unknown