ipfilter 4.1.6 won't build on FreeBSD5.3 amd64 (fwd)

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On Mon, 7 Mar 2005, Goran Gajic wrote:

> Hi,
>
> I have tried to build ipfilter 4.1.6 as module and as part of kernel on 
> FreeBSD 5.3 on amd64 but in both cases I have failed. When I use
> option IPFILTER in kernel config this is what I get:
>
> cc -c -O2 -frename-registers -pipe -fno-strict-aliasing  -Wall 
> -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes 
> -Wpointer-arith -Winline -Wcast-qual -fformat-extensions -std=c99  -nostdinc 
> -I-  -I. -I../../.. -I../../../contrib/dev/acpica -I../../../contrib/altq 
> -I../../../contrib/ipfilter
> -I../../../contrib/pf -I../../../contrib/dev/ath 
> -I../../../contrib/dev/ath/freebsd -I../../../contrib/ngatm -D_KERNEL 
> -include opt_global.h -fno-common -finline-limit=8000 --param 
> inline-unit-growth=100 --param large-function-growth=1000  -mcmodel=kernel 
> -mno-red-zone  -mfpmath=387 -mno-sse -mno-sse2 -mno-mmx -mno-3dnow 
> -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -Werror 
> .../../../contrib/ipfilter/netinet/ip_frag.c
> .../../../contrib/ipfilter/netinet/ip_frag.c: In function `fr_ipid_newfrag':
> .../../../contrib/ipfilter/netinet/ip_frag.c:394: warning: cast to pointer 
> from integer of different size
> .../../../contrib/ipfilter/netinet/ip_frag.c: In function 
> `fr_ipid_knownfrag':
> .../../../contrib/ipfilter/netinet/ip_frag.c:579: warning: cast from pointer 
> to integer of different size
> *** Error code 1
>
> Stop in /usr/src/sys/amd64/compile/SENT.
>
>
> When I have tried to build ipf.ko this is what I get:
> ld -warn-common -r -d -o ipf.kld.5 ip_fil.o fil.o ml_ipl.o ip_nat.o ip_frag.o 
> ip_state.o ip_proxy.o  ip_auth.o ip_log.o ip_pool.o ip_htable.o ip_lookup.o 
> ip_rules.o  ip_scan.o ip_sync.o
> ld -Bshareable -d -warn-common -o ipf.ko ipf.kld.5
> ld: ipf.kld.5: relocation R_X86_64_32 can not be used when making a shared 
> object; recompile with -fPIC
> ipf.kld.5: could not read symbols: Bad value
> *** Error code 1
>
> Stop in /root/ip_fil4.1.6/BSD/FreeBSD-5.3-RELEASE-amd64.
> *** Error code 1
>
> Stop in /root/ip_fil4.1.6.
>
> I have tried recompling with -fPIC but when I do kld_load ipf.ko this is what 
> I get:
> sen# kldload /boot/kernel/ipf.ko
> dmesg output:
> kldload: can't load /boot/kernel/ipf.ko: Exec format error
> kldload: Unsupported file type
> kldload: unexpected relocation type 7
> link_elf: symbol appr_check undefined
>
>
> So, my question is: can ipfilter be used to NAT something like 7000 hosts on 
> FreeBSD? Currently I have cisco 7206 that is running IOS 12.3(4r)T1 only IOS 
> that  has NAT inside CEF (otherwise CPU load is something like 80% with this 
> IOS it is something like 20% for 7000 hosts). I want my amd64 only to NAT 
> inside network (10.1.0.0/16) but when I have tried ipfilter
> v3.4.35 that comes with freebsd5.3 (compiled with LARGE_NAT) it had poor
> performance. (it could handle something like 120000 connections although 
> vaules in ip_nat.h were much greater, maybe I have missed some other 
> parameters?). Machine has two broadcom NICs so I  don't think that is 
> problem, can someone advise what to do to?
>
> Regards,
> Goran Gajic

Are those CFLAGS=-O2, a standard compilation or is that something you
added to the make.conf ?. Ive tried some optimizations myself well
building the kernel and its modules and got a very sparse build of things
they dont seem to build to well when being built with -O2 opts.

Good luck and best regards, check your /etc/make.conf
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