Проблема с Iptables

Не могу не как поставить Iptables, такая проблема в первые.....
# emerge iptables
Calculating dependencies... done!
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) net-firewall/iptables-1.4.0-r1 to /
* netfilter-layer7-v2.17.tar.gz RMD160 SHA1 SHA256 size ;-) ... [ ok ]
* iptables-1.4.0-imq.diff RMD160 SHA1 SHA256 size ;-) ... [ ok ]
* iptables-1.4.0.tar.bz2 RMD160 SHA1 SHA256 size ;-) ... [ ok ]
* checking ebuild checksums ;-) ... [ ok ]
* checking auxfile checksums ;-) ... [ ok ]
* checking miscfile checksums ;-) ... [ ok ]
* checking iptables-1.4.0.tar.bz2 ;-) ... [ ok ]
* checking iptables-1.4.0-imq.diff ;-) ... [ ok ]
* checking netfilter-layer7-v2.17.tar.gz ;-) ... [ ok ]
* WARNING: 3rd party extensions has been enabled.
* This means that iptables will use your currently installed
* kernel in /usr/src/linux as headers for iptables.
*
* You may have to patch your kernel to allow iptables to build.
* Please check http://ftp.netfilter.org/pub/patch-o-matic-ng/snapshot/ for patches
* for your kernel.
*
* Determining the location of the kernel source code
* Found kernel source directory:
* /usr/src/linux
* Found sources for kernel version:
*
ERROR: Kernel configuration is invalid.
include/linux/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.

2.
ERROR: Kernel configuration is invalid.
include/linux/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.

6.
ERROR: Kernel configuration is invalid.
include/linux/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.

19
ERROR: Kernel configuration is invalid.
include/linux/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.

-gentoo-r5
/usr/portage/eclass/linux-info.eclass: line 219: [: too many arguments
/usr/portage/eclass/linux-info.eclass: line 219: [: too many arguments
*
* ERROR: net-firewall/iptables-1.4.0-r1 failed.
* Call stack:
* ebuild.sh, line 49: Called pkg_setup
* iptables-1.4.0-r1.ebuild, line 51: Called die
* The specific snippet of code:
* [ ! -f "${KERNEL_DIR}/include/linux/netfilter/xt_layer7.h" ] && \
* die "For layer 7 support emerge net-misc/l7-filter-${L7_PV} before this."
* The die message:
* For layer 7 support emerge net-misc/l7-filter-2.17 before this.
*
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/tmp/portage/net-firewall/iptables-1.4.0-r1/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/net-firewall/iptables-1.4.0-r1/temp/die.env'.
*

* Messages for package net-firewall/iptables-1.4.0-r1:

* WARNING: 3rd party extensions has been enabled.
* This means that iptables will use your currently installed
* kernel in /usr/src/linux as headers for iptables.
*
* You may have to patch your kernel to allow iptables to build.
* Please check http://ftp.netfilter.org/pub/patch-o-matic-ng/snapshot/ for patches
* for your kernel.
*
*
* ERROR: net-firewall/iptables-1.4.0-r1 failed.
* Call stack:
* ebuild.sh, line 49: Called pkg_setup
* iptables-1.4.0-r1.ebuild, line 51: Called die
* The specific snippet of code:
* [ ! -f "${KERNEL_DIR}/include/linux/netfilter/xt_layer7.h" ] && \n
* die "For layer 7 support emerge net-misc/l7-filter-${L7_PV} before this."
* The die message:
* For layer 7 support emerge net-misc/l7-filter-2.17 before this.
*
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/tmp/portage/net-firewall/iptables-1.4.0-r1/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/net-firewall/iptables-1.4.0-r1/temp/die.env'.
*
кто нибуть сталкивался с такой проблемой ?