* Package:    dev-util/lttng-modules-2.8.0
 * Repository: gentoo
 * Maintainer: dlan@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   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/4.7.3-hardened/build
 * Found sources for kernel version:
 *     4.7.3-hardened
 * Checking for suitable kernel configuration options...
 [ ok ]
>>> Unpacking source...
>>> Unpacking lttng-modules-2.8.0.tar.bz2 to /var/tmp/portage/dev-util/lttng-modules-2.8.0/work
>>> Source unpacked in /var/tmp/portage/dev-util/lttng-modules-2.8.0/work
>>> Preparing source in /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0 ...
ln: failed to create symbolic link 'Module.symvers': File exists
 * Preparing  module
make -j1 HOSTCC=x86_64-pc-linux-gnu-gcc CROSS_COMPILE=x86_64-pc-linux-gnu- 'LDFLAGS=-m elf_x86_64' default 
make -C /lib/modules/4.7.3-hardened/build M=/var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0 CONFIG_LTTNG=m modules
make[1]: Entering directory '/usr/src/linux-4.7.3-hardened'
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lttng-ring-buffer-client-discard.o
In file included from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/wrapper/ringbuffer/backend_internal.h:2:0,
                 from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lib/ringbuffer/backend.h:40,
                 from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/wrapper/ringbuffer/backend.h:1,
                 from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lib/ringbuffer/api.h:26,
                 from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/wrapper/ringbuffer/api.h:1,
                 from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lttng-ring-buffer-client.h:180,
                 from /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lttng-ring-buffer-client-discard.c:29:
/var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lib/ringbuffer/backend_internal.h: In function ‘subbuffer_id_set_noref_offset’:
/var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lib/ringbuffer/backend_internal.h:174:20: error: assignment of read-only location ‘*__builtin_memcpy(&<U6870>, &({...}))’
   ACCESS_ONCE(*id) = tmp;
                    ^
make[2]: *** [scripts/Makefile.build:296: /var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0/lttng-ring-buffer-client-discard.o] Error 1
make[1]: *** [Makefile:1465: _module_/var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0] Error 2
make[1]: Leaving directory '/usr/src/linux-4.7.3-hardened'
make: *** [Makefile:110: modules] Error 2
 * ERROR: dev-util/lttng-modules-2.8.0::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=dev-util/lttng-modules-2.8.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/lttng-modules-2.8.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-util:lttng-modules-2.8.0:20160915-053644.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-util/lttng-modules-2.8.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/lttng-modules-2.8.0/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0'
 * S: '/var/tmp/portage/dev-util/lttng-modules-2.8.0/work/lttng-modules-2.8.0'