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Hello!

Today I tried to install shorewall as firewall for my workstation.
I get the following error message:

emerge shorewall
Calculating dependencies ...done!
>>> emerge (1 of 2) sys-apps/iproute-20010824-r3 to /
>>> md5 src_uri ;-) iproute2-2.4.7-now-ss010824.tar.gz
>>> md5 src_uri ;-) iproute_20010824-9.diff.gz
>>> Unpacking source...
>>> Unpacking iproute2-2.4.7-now-ss010824.tar.gz to /var/tmp/portage/iproute-20010824-r3/work
>>> Unpacking iproute_20010824-9.diff.gz to /var/tmp/portage/iproute-20010824-r3/work
* Applying iproute_20010824-9.diff... [ ok ]>>> Source unpacked.
make[1]: Entering directory `/var/tmp/portage/iproute-20010824-r3/work/iproute2/lib'
gcc -D_GNU_SOURCE -O2 -mcpu=i686 -pipe -Wstrict-prototypes -Wall -g -I../include -I../include-glibc -include ../include-glibc/glibc-bugs.h -I/usr/src/linux/include -DRESOLVE_HOSTNAMES -c -o ll_map.o ll_map.c
gcc -D_GNU_SOURCE -O2 -mcpu=i686 -pipe -Wstrict-prototypes -Wall -g -I../include -I../include-glibc -include ../include-glibc/glibc-bugs.h -I/usr/src/linux/include -DRESOLVE_HOSTNAMES -c -o libnetlink.o libnetlink.c
In file included from ../include-glibc/netinet/in.h:7,
from libnetlink.c:20:
/usr/src/linux/include/linux/in.h:140: field `gr_group' has incomplete type
/usr/src/linux/include/linux/in.h:141: confused by earlier errors, bailing out
make[1]: *** [libnetlink.o] Fehler 1
make[1]: *** Warte auf noch nicht beendete Prozesse...
In file included from ../include-glibc/netinet/in.h:7,
from ll_map.c:19:
/usr/src/linux/include/linux/in.h:140: field `gr_group' has incomplete type
/usr/src/linux/include/linux/in.h:141: confused by earlier errors, bailing out
make[1]: *** [ll_map.o] Fehler 1
make[1]: Leaving directory `/var/tmp/portage/iproute-20010824-r3/work/iproute2/lib'
make: *** [all] Fehler 2

!!! ERROR: sys-apps/iproute-20010824-r3 failed.
!!! Function src_compile, Line 58, Exitcode 2
!!! (no error message)

I'm using kernel 2.4.22-ac1,
/usr/src/linux ist linked to /usr/src/linux-2.4.22-ac1

Thanks for help
Bernhard