Как скомпилить иксы?

Есть рэдхэт 6.0, хочю поставить иксы,
вобщем скачал сурсы, разархивировал в директорию xc
зашол в неё, написал make World, всё нормально прошло,
отом пишу make install и происходит ошибка:
в чом дело?? помогите плиз!!

installing in lib/X11...
make[3]: Entering directory `/usr/src/X86Free410/xc/lib/X11'
rm -f LabGcLC.o
gcc -c -O2 -fno-strength-reduce -ansi -pedantic -Wall -Wpointer-arith -I../.. -I../../exports/include -Dlinux -D__i386__ -D_POSIX_C_SOURCE=199309L -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_GNU_SOURCE -DFUNCPROTO=15 -DNARROWPROTO -DXTHREADS -D_REENTRANT -DXUSE_MTSAFE_API -DMALLOC_0_RETURNS_NULL -DHAS_SNPRINTF -DLIBX11 -fPIC LabGcLC.c
/usr/include/bits/mathinline.h: In function `__signbitf':
In file included from /usr/include/math.h:348,
from LabGcLC.c:37:
/usr/include/bits/mathinline.h:117: warning: ANSI C forbids specifying structure member to initialize
/usr/include/bits/mathinline.h:117: initializer element for `__u.__f' is not computable at load time
/usr/include/bits/mathinline.h: In function `__signbit':
/usr/include/bits/mathinline.h:122: warning: ANSI C forbids specifying structure member to initialize
/usr/include/bits/mathinline.h:122: initializer element for `__u.__d' is not computable at load time
/usr/include/bits/mathinline.h: In function `__signbitl':
/usr/include/bits/mathinline.h:127: warning: ANSI C forbids specifying structure member to initialize
/usr/include/bits/mathinline.h:127: initializer element for `__u.__l' is not computable at load time
make[3]: *** [LabGcLC.o] Error 1
make[3]: Leaving directory `/usr/src/X86Free410/xc/lib/X11'
make[2]: *** [install] Error 2
make[2]: Leaving directory `/usr/src/X86Free410/xc/lib'
make[1]: *** [install] Error 2
make[1]: Leaving directory `/usr/src/X86Free410/xc'
make: *** [install] Error 2