compile xorg

[sNop]

to i compile xserver-xgl with newest mesa from 
git://people.freedesktop.org/users/krh/mesa and i get this error

gcc -DHAVE_CONFIG_H -I. -I. -I../../../../include -I../../../../include 
-I../../../../include -I../../../../include -I../../../../include 
-I../../../../include -I../../../../include -I../../../../include 
-I/opt/Xgl/_tmp_/mesa/include -I../grammar -I../../X -I../../array_cache 
-I../../glapi -I../../main -I../../math -I../../shader -I../../swrast 
-I../../swrast_setup -I../../tnl -I../.. 
-I../../../../hw/xfree86/os-support -DHAVE_DIX_CONFIG_H -DXFree86Server 
-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes 
-Wmissing-declarations -Wnested-externs -fno-strict-aliasing 
-D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT -I/opt/Xorg/include 
-I../../../../include -I../../../../include -I../../../../Xext 
-I../../../../composite -I../../../../damageext -I../../../../xfixes 
-I../../../../Xi -I../../../../mi -I../../../../miext/shadow 
-I../../../../miext/damage -I../../../../render -I../../../../randr 
-I../../../../fb -g -O2 -MT slang_preprocess.lo -MD -MP -MF 
.deps/slang_preprocess.Tpo -c slang_preprocess.c  -fPIC -DPIC -o 
.libs/slang_preprocess.o
slang_preprocess.c:36:42: error: library/slang_pp_version_syn.h: No such 
file or directory
slang_preprocess.c:37: error: syntax error before ';' token
make[4]: *** [slang_preprocess.lo] Error 1
make[4]: Leaving directory `/opt/Xorg/_tmp_/xserver/GL/mesa/shader/slang'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/opt/Xorg/_tmp_/xserver/GL/mesa/shader'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/opt/Xorg/_tmp_/xserver/GL/mesa'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/Xorg/_tmp_/xserver/GL'
make: *** [all-recursive] Error 1

i must have add slang_pp_version_syn.h symlink to this directory - 
xserver/GL/mesa/shader/slang/library - manually
i compile xserver with mesa from git://people.freedesktop.org/users/krh/mesa