keyutils: needs mmu

Fixes:
http://autobuild.buildroot.org/results/ff84ee5335e3302dbb47d881d9903db81884014c

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
conntrack-tools: needs mmu

Fixes
http://autobuild.buildroot.net/results/641755fbc61b47361b71161eabbf3075c7598c88/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
libffi: fix powerpc build breakage

Happens with the latest release when there are no FP registers.
Fixes:
http://autobuild.buildroot.net/results/bc43261d3ddc9d4c320522563249f4a0695a35a4/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
package/vtun: add missing 'depends on' zlib

The dependency on zlib is correctly expresed in vtun.mk,
but was missing from the Config.in.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
ruby: security bump to version 1.9.3-p392

Fixes JSON DoS (CVE-2013-0269) and REXML DoS (no assigned CVE yet).

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
ruby: disable parallel build

Fixes http://autobuild.buildroot.net/results/c71100ee21a12db47047563c6e70afdc552595d4/

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
haserl: needs fork()

Fixes http://autobuild.buildroot.net/results/e265d061e1956522dad4566827ed4171160dfecc

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
libmad: force architecture-specific optimisations on AVR32

Fixes:
http://autobuild.buildroot.net/results/e01f5a5484299dce1797966445f3972583c67b22
http://autobuild.buildroot.net/results/7ed0563fbbfc19c93ec5be35d3b6a95e496b4c5d

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>