build xserver from master is broken

[Amir Bukhari]

I have tried building xserver from GIT (master) using the modular/build.sh

but I got this error:
#########################
make[3]: Entering directory `/home/bukhari/LG3D/build-xx/lib/libXcomposite/man'
WARNING: configure did not find xmlto, cannot create Xcomposite.man without it
sed -e 's|"__vendorversion__"|"libXcomposite 0.4.0" "X Version 11"|'
-e 's|__xorgversion__|"libXcomposite 0.4.0" "X Version 11"|' -e
's|__xservername__|Xorg|g' -e 's|__xconfigfile__|xorg.conf|g' -e
's|__projectroot__|/opt/xorg|g' -e 's|__apploaddir__||' -e
's|__appmansuffix__|1|g' -e 's|__libmansuffix__|3|g' -e
's|__adminmansuffix__|8|g' -e 's|__miscmansuffix__|7|g' -e
's|__filemansuffix__|5|g' < Xcomposite.man > Xcomposite.3
/bin/sh: Xcomposite.man: No such file or directory
make[3]: *** [Xcomposite.3] Error 1
make[3]: Leaving directory `/home/bukhari/LG3D/build-xx/lib/libXcomposite/man'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/bukhari/LG3D/build-xx/lib/libXcomposite/man'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/bukhari/LG3D/build-xx/lib/libXcomposite'
make: *** [all] Error 2
############################

i have tried to disable compiling libXcomposite. then libXtst fail
also on such same error. is it in compiling man pages.

is the current GIT master not stable?