* Package:    net-misc/batman-adv-2014.2.0
 * Repository: gentoo
 * Maintainer: xmw@gentoo.org
 * USE:        abi_x86_64 amd64 dat elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found kernel object directory:
 *     /lib/modules/4.11.3/build
 * Found sources for kernel version:
 *     4.11.3
 * Checking for suitable kernel configuration options...
 *   CONFIG_LIBCRC32C:	 is not set when it should be.
 * Please check to make sure these options are set correctly.
 * Failure to do so may cause unexpected problems.
>>> Unpacking source...
>>> Unpacking batman-adv-2014.2.0.tar.gz to /var/tmp/portage/net-misc/batman-adv-2014.2.0/work
>>> Source unpacked in /var/tmp/portage/net-misc/batman-adv-2014.2.0/work
>>> Preparing source in /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0 ...
ln: failed to create symbolic link 'Module.symvers': File exists
 * Preparing batman-adv module
make -j1 HOSTCC=x86_64-pc-linux-gnu-gcc CROSS_COMPILE=x86_64-pc-linux-gnu- 'LDFLAGS=-m elf_x86_64' CONFIG_BATMAN_ADV_DEBUG=n CONFIG_BATMAN_ADV_BLA=n CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=n CONFIG_BATMAN_ADV_NC=n all 
/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/gen-compat-autoconf.sh /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/compat-autoconf.h
make -C /usr/src/linux M=/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0 PWD=/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0 modules
make[1]: Entering directory '/usr/src/linux-4.11.3'
  CC [M]  /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/compat.o
  CC [M]  /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/bat_iv_ogm.o
  CC [M]  /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/bitarray.o
  CC [M]  /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/debugfs.o
  CC [M]  /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/distributed-arp-table.o
/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/distributed-arp-table.c: In function ‘batadv_dat_snoop_outgoing_arp_request’:
/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/distributed-arp-table.c:963:23: error: ‘struct net_device’ has no member named ‘last_rx’
   bat_priv->soft_iface->last_rx = jiffies;
                       ^~
make[2]: *** [scripts/Makefile.build:295: /var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0/distributed-arp-table.o] Error 1
make[1]: *** [Makefile:1492: _module_/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0] Error 2
make[1]: Leaving directory '/usr/src/linux-4.11.3'
make: *** [Makefile:53: all] Error 2
 * ERROR: net-misc/batman-adv-2014.2.0::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=net-misc/batman-adv-2014.2.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-misc/batman-adv-2014.2.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-misc:batman-adv-2014.2.0:20170608-211336.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-misc/batman-adv-2014.2.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-misc/batman-adv-2014.2.0/temp/environment'.
 * Working directory: '/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0'
 * S: '/var/tmp/portage/net-misc/batman-adv-2014.2.0/work/batman-adv-2014.2.0'