x11-drm emerge error

mv: cannot stat `/var/tmp/portage/x11-base/x11-drm-20060608/work/patch/*kernel-2.4*': No such file or directory
autoreconf-2.61: Entering directory `.'
autoreconf-2.61: configure.ac: not using Gettext
autoreconf-2.61: running: aclocal  --output=aclocal.m4t
autoreconf-2.61: `aclocal.m4' is created
autoreconf-2.61: configure.ac: tracing
autoreconf-2.61: running: libtoolize --copy
autoreconf-2.61: `aclocal.m4' is unchanged
autoreconf-2.61: running: /usr/bin/autoconf-2.61
autoreconf-2.61: running: /usr/bin/autoheader-2.61
autoreconf-2.61: running: automake --add-missing --copy
configure.ac: installing `./install-sh'
configure.ac: installing `./mkinstalldirs'
configure.ac: installing `./missing'
libdrm/Makefile.am: installing `./depcomp'
autoreconf-2.61: Leaving directory `.'
+ ln -s ../shared-core/drm.h drm.h
+ ln -s ../shared-core/drm_sarea.h drm_sarea.h
+ ln -s ../shared-core/mga_dma.c mga_dma.c
+ ln -s ../shared-core/mga_drm.h mga_drm.h
+ ln -s ../shared-core/mga_drv.h mga_drv.h
+ ln -s ../shared-core/mga_irq.c mga_irq.c
+ ln -s ../shared-core/mga_state.c mga_state.c
+ ln -s ../shared-core/mga_ucode.h mga_ucode.h
+ ln -s ../shared-core/mga_warp.c mga_warp.c
+ ln -s ../shared-core/r128_drv.h r128_drv.h
+ ln -s ../shared-core/r128_drm.h r128_drm.h
+ ln -s ../shared-core/r128_cce.c r128_cce.c
+ ln -s ../shared-core/r128_state.c r128_state.c
+ ln -s ../shared-core/r128_irq.c r128_irq.c
+ ln -s ../shared-core/radeon_drv.h radeon_drv.h
+ ln -s ../shared-core/radeon_drm.h radeon_drm.h
+ ln -s ../shared-core/radeon_cp.c radeon_cp.c
+ ln -s ../shared-core/radeon_irq.c radeon_irq.c
+ ln -s ../shared-core/radeon_mem.c radeon_mem.c
+ ln -s ../shared-core/radeon_state.c radeon_state.c
+ ln -s ../shared-core/r300_cmdbuf.c r300_cmdbuf.c
+ ln -s ../shared-core/r300_reg.h r300_reg.h
+ ln -s ../shared-core/sis_drv.h sis_drv.h
+ ln -s ../shared-core/sis_drm.h sis_drm.h
+ ln -s ../shared-core/tdfx_drv.h tdfx_drv.h
+ ln -s ../shared-core/via_drm.h via_drm.h
+ ln -s ../shared-core/via_drv.h via_drv.h
+ ln -s ../shared-core/via_3d_reg.h via_3d_reg.h
+ ln -s ../shared-core/via_drv.c via_drv.c
+ ln -s ../shared-core/via_irq.c via_irq.c
+ ln -s ../shared-core/via_map.c via_map.c
+ ln -s ../shared-core/via_dma.c via_dma.c
+ ln -s ../shared-core/via_verifier.c via_verifier.c
+ ln -s ../shared-core/via_verifier.h via_verifier.h
+ ln -s ../shared-core/via_video.c via_video.c
+ ln -s ../shared-core/mach64_drv.h mach64_drv.h
+ ln -s ../shared-core/mach64_drm.h mach64_drm.h
+ ln -s ../shared-core/mach64_dma.c mach64_dma.c
+ ln -s ../shared-core/mach64_irq.c mach64_irq.c
+ ln -s ../shared-core/mach64_state.c mach64_state.c
+ ln -s ../shared-core/i915_drv.h i915_drv.h
+ ln -s ../shared-core/i915_drm.h i915_drm.h
+ ln -s ../shared-core/i915_irq.c i915_irq.c
+ ln -s ../shared-core/i915_mem.c i915_mem.c
+ ln -s ../shared-core/i915_dma.c i915_dma.c
+ ln -s ../shared-core/savage_drv.h savage_drv.h
+ ln -s ../shared-core/savage_drm.h savage_drm.h
+ ln -s ../shared-core/savage_bci.c savage_bci.c
+ ln -s ../shared-core/savage_state.c savage_state.c
+ ln -s ../shared-core/nv_drv.h nv_drv.h
In file included from /var/tmp/portage/x11-base/x11-drm-20060608/work/drm/linux-core/drm_auth.c:36:
/var/tmp/portage/x11-base/x11-drm-20060608/work/drm/linux-core/drmP.h:44:26: error: linux/config.h: No such file or directory
make[2]: *** [/var/tmp/portage/x11-base/x11-drm-20060608/work/drm/linux-core/drm_auth.o] Error 1
make[1]: *** [_module_/var/tmp/portage/x11-base/x11-drm-20060608/work/drm/linux-core] Error 2
make: *** [modules] Error 2

!!! ERROR: x11-base/x11-drm-20060608 failed.
Call stack:
  ebuild.sh, line 1580:   Called dyn_compile
  ebuild.sh, line 945:   Called src_compile
  x11-drm-20060608.ebuild, line 111:   Called die_error
  x11-drm-20060608.ebuild, line 235:   Called die

!!! Unable to build DRM modules.
!!! If you need support, post the topmost build error, and the call stack if relevant.