Calculating dependencies... done!
[ebuild  N    ] x11-drivers/ati-drivers-8.27.10-r1  USE="acpi -doc -opengl" 0 kB

Total size of downloads: 0 kB

Would you like to merge these packages? [Yes/No] y

>>> Emerging (1 of 1) x11-drivers/ati-drivers-8.27.10-r1 to /
 * ati-driver-installer-8.27.10-x86.run MD5 ;-) ...                                                                       [ ok ]
 * ati-driver-installer-8.27.10-x86.run RMD160 ;-) ...                                                                    [ ok ]
 * ati-driver-installer-8.27.10-x86.run SHA1 ;-) ...                                                                      [ ok ]
 * ati-driver-installer-8.27.10-x86.run SHA256 ;-) ...                                                                    [ ok ]
 * ati-driver-installer-8.27.10-x86.run size ;-) ...                                                                      [ ok ]
 * checking ebuild checksums ;-) ...                                                                                      [ ok ]
 * checking auxfile checksums ;-) ...                                                                                     [ ok ]
 * checking miscfile checksums ;-) ...                                                                                    [ ok ]
 * checking ati-driver-installer-8.27.10-x86.run ;-) ...                                                                  [ ok ]
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     2.6.18-gentoo-r2
 * Checking for MTRR support enabled ...                                                                                  [ ok ]
 * Checking for AGP support enabled ...                                                                                   [ ok ]
 * Checking for DRM support disabled ...                                                                                  [ ok ]
 * X11 implementation is xorg-x11.
>>> Unpacking source...
 * Unpacking Ati drivers ...                                                                                              [ ok ]
 * Applying ati-powermode.sh.patch ...                                                                                    [ ok ]
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/ati-drivers-8.27.10-r1 ...
 * Building the DRM module...
make: Entering directory `/usr/src/linux-2.6.18-gentoo-r2'
  CC [M]  /var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.o
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c:233: error: 'UTS_RELEASE' undeclared here (not in a function)
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c: In function 'firegl_stub_open':
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c:559: warning: assignment discards qualifiers from pointer target type
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c: In function '__ke_vm_map':
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c:3159: error: 'VM_SHM' undeclared (first use in this function)
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c:3159: error: (Each undeclared identifier is reported only once
/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.c:3159: error: for each function it appears in.)
make[1]: *** [/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod/firegl_public.o] Error 1
make: *** [_module_/var/tmp/portage/ati-drivers-8.27.10-r1/work/common/lib/modules/fglrx/build_mod] Error 2
make: Leaving directory `/usr/src/linux-2.6.18-gentoo-r2'
 * DRM module not built
>>> Source compiled.
>>> Test phase [not enabled]: x11-drivers/ati-drivers-8.27.10-r1

>>> Install ati-drivers-8.27.10-r1 into /var/tmp/portage/ati-drivers-8.27.10-r1/image/ category x11-drivers
 * Installing fglrx module
install: cannot stat `fglrx.ko': No such file or directory

!!! ERROR: x11-drivers/ati-drivers-8.27.10-r1 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_install
  ebuild.sh, line 1020:   Called src_install
  ati-drivers-8.27.10-r1.ebuild, line 205:   Called linux-mod_src_install
  linux-mod.eclass, line 510:   Called die

!!! doins fglrx.ko failed
!!! If you need support, post the topmost build error, and the call stack if relevant.