This quick summary is no substitute for reading the full build instructions later in this document.
Edit xc/config/cf/site.def for local preferences. If you want to build with gcc uncomment the HasGcc2 line. If you want to install somewhere other than /usr/X11R6, change ProjectRoot . (Do not use DESTDIR.)
If any fixes have been released by the X Consortium, stop here and follow the instructions at the top of each patch, but don't do any of the make commands suggested in the patches. Then continue here.
Check the appropriate xc/config/cf/vendor.cf file to make sure that OSMajorVersion and OSMinorVersion are set correctly for your system (change them if necessary).
See if there is a BootstrapCFlags mentioned in the comments in the vendor.cf file. If there isn't one, cd to the xc directory and type:
to Chapter 2. What Is Release 6