Hello. Absolutely, but compiling without INET6 is not supposed to generate error. I've just disabled INET6 on GENERIC file, not other hack.
> To: misc@openbsd.org > From: s...@spacehopper.org > Subject: Re: Kernel without INET6 error on pipex.c > Date: Wed, 23 Nov 2011 21:19:46 +0000 > > diffs might be accepted, but basically: you broke it, you fix it. > > On 2011-11-23, Julien Crapovich <mr_jul...@hotmail.com> wrote: > > Hi, > > > > I'm under OpenBSD 5.0, and I would like to compile a kernel without INET6. > > > > # cd /usr/src > > # wget ftp://ftp.openbsd.org/pub/OpenBSD/5.0/sys.tar.gz > > # tar zxvf sys.tar.gz > > > > I edited /usr/src/sys/conf/GENERIC, and disabled INET6 (line 59, #INET6) > > > > > > # cd /usr/src/sys/arch/`arch -s`/conf > > # config GENERIC && cd ../compile/GENERIC > > # make clean ; make depend ; make > > [.....] > > > > cc > > -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes -Wno-main > > -Wno-uninitialized -Wno-format -Wstack-larger-than-2047 > > -fno-builtin-printf -fno-builtin-snprintf -fno-builtin-vsnprintf > > -fno-builtin-log -fno-builtin-log2 -fno-builtin-malloc -O2 -pipe > > -nostdinc -I. -I../../../.. -I../../../../arch -DDDB -DDIAGNOSTIC > > -DKTRACE -DACCOUNTING -DKMEMSTATS -DPTRACE -DCRYPTO -DSYSVMSG -DSYSVSEM > > -DSYSVSHM -DUVM_SWAP_ENCRYPT -DCOMPAT_43 -DCOMPAT_O48 -DLKM -DFFS -DFFS2 > > -DFFS_SOFTUPDATES -DUFS_DIRHASH -DQUOTA -DEXT2FS -DMFS -DNFSCLIENT > > -DNFSSERVER -DCD9660 -DUDF -DMSDOSFS -DFIFO -DSOCKET_SPLICE -DTCP_SACK > > -DTCP_ECN -DTCP_SIGNATURE -DINET -DALTQ -DIPSEC -DPPP_BSDCOMP > > -DPPP_DEFLATE -DPIPEX -DMROUTING -DMPLS -DBOOT_CONFIG -DUSER_PCICONF > > -DKVM86 -DUSER_LDT -DAPERTURE -DCOMPAT_LINUX -DPROCFS -DNTFS > > -DPCIVERBOSE -DEISAVERBOSE -DUSBVERBOSE -DWSDISPLAY_COMPAT_USL > > -DWSDISPLAY_COMPAT_RAWKBD -DWSDISPLAY_DEFAULTSCREENS="6" > > -DWSDISPLAY_COMPAT_PCVT -DX86EMU -DONEWIREVERBOSE -DMAXUSERS=80 > > -D_KERNEL -MD -MP -c ../../../../net/pipex.c > > ../../../../net/pipex.c: In function 'pipex_l2tp_output': > > ../../../../net/pipex.c:1894: error: invalid application of 'sizeof' to > > incomplete type 'struct ip6_hdr' > > ../../../../net/pipex.c:1911: error: invalid application of 'sizeof' to > > incomplete type 'struct ip6_hdr' > > *** Error code 1 > > > > Stop in /usr/src/sys/arch/i386/compile/GENERIC (line 92 of > > /usr/share/mk/sys.mk) > > > > Thank you > > > > J.Crapovich