* Package:    sys-fs/aufs-util-4.14_p20190603
 * Repository: gentoo
 * Maintainer: jlec@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_musl 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 sources for kernel version:
 *     5.5.9-gentoo
>>> Unpacking source...
>>> Unpacking aufs-util-4.14_p20190603.tar.xz to /var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work
>>> Source unpacked in /var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work
>>> Preparing source in /var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work/aufs-util-4.14_p20190603 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work/aufs-util-4.14_p20190603 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work/aufs-util-4.14_p20190603 ...
make -j1 
make: 'pre' is up to date.
>>> Source compiled.
>>> Test phase [not enabled]: sys-fs/aufs-util-4.14_p20190603

>>> Install sys-fs/aufs-util-4.14_p20190603 into /var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/image
make -j1 DESTDIR=/var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/image install 
x86_64-gentoo-linux-musl-gcc -O2 -pipe -march=native -fno-common -falign-functions=32:25:16 -Wall -D_GNU_SOURCE -I./libau -DAUFHSM_CMD=\"/usr/bin/aufhsm\" -DMOUNT_CMD=\"/bin/mount\" -DUMOUNT_CMD=\"/bin/umount\" -Wl,-O1 -Wl,--as-needed  ver.c   -o ver
In file included from ver.c:25:
au_util.h:32:10: fatal error: error_at_line.h: No such file or directory
   32 | #include "error_at_line.h"
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [<builtin>: ver] Error 1
 * ERROR: sys-fs/aufs-util-4.14_p20190603::gentoo failed (install phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=sys-fs/aufs-util-4.14_p20190603::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-fs/aufs-util-4.14_p20190603::gentoo'`.
 * The complete build log is located at '/var/log/portage/sys-fs:aufs-util-4.14_p20190603:20200322-194213.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work/aufs-util-4.14_p20190603'
 * S: '/var/tmp/portage/sys-fs/aufs-util-4.14_p20190603/work/aufs-util-4.14_p20190603'