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== [[Xfree in opt]]: how to install latest cvs XFree in /opt/X11R6 ==

This is a trick I learned for jailing installation of XFree in <tt>/opt/X11R6</tt> in order to avoid conflicts with the standard debian xfree packages that are quite outdated now (4.2.1).

All you need is:
*retreive either latest snapshot of xfree [http://www.xfree86.org/develsnaps/] (4.3.99.902) or latest cvs snapshot:
 cvs -d :pserver:anoncvs@anoncvs.xfree86.org:/cvs login
 passwd: 'anoncvs'
 cvs -z3 -d :pserver:anoncvs@anoncvs.xfree86.org:/cvs co xc
*create host specific configuration file <tt>xc/config/cf/host.def</tt> containing for the ezra processor
 #define DefaultGcc2i386Opt -march=c3 -O3 -mmmx -m3dnow
 /* #define BuildServersOnly YES */
 #define GccWarningOptions -pipe
 #define HasMTRRSupport YES
 #define HasMMXSupport YES
 #define Has3DNowSupport YES
 #define HasSSESupport NO
 #define ProjectRoot /opt/X11R6-ezra
 #define NothingOutsideProjectRoot YES
 #define EtcX11Directory ProjectRoot/etc
xor for the nehemiah processor:
 #define DefaultGcc2i386Opt -march=i686 -O3 -mmmx -msse
 /* #define BuildServersOnly YES */
 #define GccWarningOptions -pipe
 #define HasMTRRSupport YES
 #define HasMMXSupport YES
 #define Has3DNowSupport YES
 #define HasSSESupport NO
 #define ProjectRoot /opt/X11R6-ezra
 #define NothingOutsideProjectRoot YES
 #define EtcX11Directory ProjectRoot/etc
*recompile the whole through a <tt>make World >& World.log</tt>
*install it: <tt>make install && make install.man</tt>
*change your PATH variable to execute first <tt>/opt/X11R6/bin</tt> binaries: <tt>export PATH=/opt/X11R6/bin:${PATH}</tt>
*change global library paths by editing <tt>/etc/ld.so.conf</tt> file and adding on top of it:
 /opt/X11R6/lib
*in order to use dri from via own cle266 graphic engine linux drivers [http://www.viaarena.com/?PageID=325] install the following via binaries :
 PREFIX=/opt/X11R6
 cp via_dri.so ${PREFIX}/lib/modules/dri/
 cp libdri.a ${PREFIX}/lib/modules/extensions/
 cp libGL.so.1.2 ${PREFIX}/lib/
 cp -f libGL.so.1.2 ${PREFIX}/lib/
 rm -f ${PREFIX}/lib/libGL.so
 rm -f ${PREFIX}/lib/libGL.so.1
 ln -s ${PREFIX}/lib/libGL.so.1.2 ${PREFIX}/lib/libGL.so
 ln -s ${PREFIX}/lib/libGL.so.1.2 ${PREFIX}/lib/libGL.so.1
 rm -f /usr/lib/libGL.so
 rm -f /usr/lib/libGL.so.1
 ln -s ${PREFIX}/lib/libGL.so.1.2 /usr/lib/libGL.so
 ln -s ${PREFIX}/lib/libGL.so.1.2 /usr/lib/libGL.so.1
 cp libglut.so.3.7.0 /usr/lib/
 cp -f libglut.so.3.7.0 /usr/lib
 cp -f libglut.so.3.7.0 /usr/lib
 rm -f /usr/lib/libglut.so.3
 ln -sf /usr/lib/libglut.so.3.7.0 /usr/lib/libglut.so.3
*other <tt>host.def</tt> options in order to reduce the time for XFree recompilation
 #define BuildFontServer         NO
 #define BuildSpeedo             NO
 #define BuildType1              NO
 #define BuildCID                NO
 #define BuildFreeType           NO
 #define BuildXTrueType          NO
 #define BuildFonts              NO
 #define Build75DpiFonts         NO
 #define Build100DpiFonts        NO
 #define BuildSpeedoFonts        NO
 #define BuildType1Fonts         NO
 #define BuildCIDFonts           NO
 #define BuildTrueTypeFonts      NO
 #define BuildCyrillicFonts      NO
 #define MakeLocalFontDir        NO
If you need only the server part you can also use: <tt>#define BuildServersOnly YES</tt>.