* Package:    dev-util/lttng-modules-2.10.6
 * Repository: gentoo
 * Maintainer: dlan@gentoo.org
 * USE:        arm64 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/4.18.9-gentoo/build
 * Found sources for kernel version:
 *     4.18.9-gentoo
 * Checking for suitable kernel configuration options...
 [ ok ]
>>> Unpacking source...
>>> Unpacking lttng-modules-2.10.6.tar.bz2 to /var/tmp/portage/dev-util/lttng-modules-2.10.6/work
>>> Source unpacked in /var/tmp/portage/dev-util/lttng-modules-2.10.6/work
>>> Preparing source in /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6 ...
ln: failed to create symbolic link 'Module.symvers': File exists
 * Preparing  module
make -j6 HOSTCC=aarch64-unknown-linux-gnu-gcc CROSS_COMPILE=aarch64-unknown-linux-gnu- LDFLAGS= KERNELDIR=/usr/src/linux default 
make -C /usr/src/linux M=/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6 CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules
make[1]: Entering directory '/usr/src/linux-4.18.9-gentoo'
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lttng-ring-buffer-client-discard.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lttng-ring-buffer-metadata-client.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lttng-ring-buffer-client-overwrite.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/ring_buffer_backend.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests/probes/lttng-test.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-sched.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-irq.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests/clock-plugin/lttng-clock-plugin-test.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lttng-ring-buffer-client-mmap-discard.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lttng-ring-buffer-client-mmap-overwrite.o
  LD [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests/lttng-clock-plugin-test.o
aarch64-unknown-linux-gnu-ld: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests/clock-plugin/lttng-clock-plugin-test.o: compiled for a big endian system and target is little endian
aarch64-unknown-linux-gnu-ld: failed to merge target specific data of file /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests/clock-plugin/lttng-clock-plugin-test.o
make[3]: *** [scripts/Makefile.build:530: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests/lttng-clock-plugin-test.o] Error 1
make[2]: *** [scripts/Makefile.build:558: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/tests] Error 2
make[2]: *** Waiting for unfinished jobs....
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-timer.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/ring_buffer_frontend.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-kmem.o
aarch64-unknown-linux-gnu-ld: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/.tmp_ring_buffer_backend.o: compiled for a big endian system and target is little endian
aarch64-unknown-linux-gnu-ld: failed to merge target specific data of file /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/.tmp_ring_buffer_backend.o
make[3]: *** [scripts/Makefile.build:317: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/ring_buffer_backend.o] Error 1
make[3]: *** Waiting for unfinished jobs....
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-module.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-power.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-statedump.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-i2c.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-kvm.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-signal.o
aarch64-unknown-linux-gnu-ld: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/.tmp_ring_buffer_frontend.o: compiled for a big endian system and target is little endian
aarch64-unknown-linux-gnu-ld: failed to merge target specific data of file /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/.tmp_ring_buffer_frontend.o
make[3]: *** [scripts/Makefile.build:317: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib/ringbuffer/ring_buffer_frontend.o] Error 1
make[2]: *** [scripts/Makefile.build:558: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/lib] Error 2
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-block.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-napi.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-skb.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-net.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-sock.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-udp.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-asoc.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-gpio.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-jbd2.o
In file included from /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/define_trace.h:100:0,
                 from /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:349,
                 from /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-asoc.c:42:
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h: In function '__event_get_size__asoc_snd_soc_reg':
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:44:25: error: dereferencing pointer to incomplete type 'struct snd_soc_codec'
   ctf_string(name, codec->CODEC_NAME_FIELD)
                         ^
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:561:2: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
  _fields              \
  ^~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:117:3: note: in expansion of macro 'PARAMS'
   PARAMS(_fields), )
   ^~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:36:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
 LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_reg,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:43:2: note: in expansion of macro 'TP_FIELDS'
  TP_FIELDS(
  ^~~~~~~~~
./include/linux/kernel.h:826:4: note: in expansion of macro '__typecheck'
   (__typecheck(x, y) && __no_side_effects(x, y))
    ^~~~~~~~~~~
./include/linux/kernel.h:836:24: note: in expansion of macro '__safe_cmp'
  __builtin_choose_expr(__safe_cmp(x, y), \
                        ^~~~~~~~~~
./include/linux/kernel.h:912:27: note: in expansion of macro '__careful_cmp'
 #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
                           ^~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:521:4: note: in expansion of macro 'max_t'
    max_t(size_t, lttng_strlen_user_inatomic(_src), 1);    \
    ^~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-events-write.h:84:2: note: in expansion of macro '_ctf_string'
  _ctf_string(_item, _src, 0, 0)
  ^~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:44:3: note: in expansion of macro 'ctf_string'
   ctf_string(name, codec->CODEC_NAME_FIELD)
   ^~~~~~~~~~
./include/linux/kernel.h:836:2: error: first argument to '__builtin_choose_expr' not a constant
  __builtin_choose_expr(__safe_cmp(x, y), \
  ^
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:561:2: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
  _fields              \
  ^~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:117:3: note: in expansion of macro 'PARAMS'
   PARAMS(_fields), )
   ^~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:36:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
 LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_reg,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:43:2: note: in expansion of macro 'TP_FIELDS'
  TP_FIELDS(
  ^~~~~~~~~
./include/linux/kernel.h:912:27: note: in expansion of macro '__careful_cmp'
 #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
                           ^~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:521:4: note: in expansion of macro 'max_t'
    max_t(size_t, lttng_strlen_user_inatomic(_src), 1);    \
    ^~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-events-write.h:84:2: note: in expansion of macro '_ctf_string'
  _ctf_string(_item, _src, 0, 0)
  ^~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:44:3: note: in expansion of macro 'ctf_string'
   ctf_string(name, codec->CODEC_NAME_FIELD)
   ^~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h: In function '__event_get_size__asoc_snd_soc_preg':
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:82:28: error: dereferencing pointer to incomplete type 'struct snd_soc_platform'
   ctf_string(name, platform->CODEC_NAME_FIELD)
                            ^
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:561:2: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
  _fields              \
  ^~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:117:3: note: in expansion of macro 'PARAMS'
   PARAMS(_fields), )
   ^~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:74:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
 LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_preg,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:81:2: note: in expansion of macro 'TP_FIELDS'
  TP_FIELDS(
  ^~~~~~~~~
./include/linux/kernel.h:826:4: note: in expansion of macro '__typecheck'
   (__typecheck(x, y) && __no_side_effects(x, y))
    ^~~~~~~~~~~
./include/linux/kernel.h:836:24: note: in expansion of macro '__safe_cmp'
  __builtin_choose_expr(__safe_cmp(x, y), \
                        ^~~~~~~~~~
./include/linux/kernel.h:912:27: note: in expansion of macro '__careful_cmp'
 #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
                           ^~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:521:4: note: in expansion of macro 'max_t'
    max_t(size_t, lttng_strlen_user_inatomic(_src), 1);    \
    ^~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-events-write.h:84:2: note: in expansion of macro '_ctf_string'
  _ctf_string(_item, _src, 0, 0)
  ^~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:82:3: note: in expansion of macro 'ctf_string'
   ctf_string(name, platform->CODEC_NAME_FIELD)
   ^~~~~~~~~~
./include/linux/kernel.h:836:2: error: first argument to '__builtin_choose_expr' not a constant
  __builtin_choose_expr(__safe_cmp(x, y), \
  ^
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:561:2: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
  _fields              \
  ^~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:117:3: note: in expansion of macro 'PARAMS'
   PARAMS(_fields), )
   ^~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:74:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
 LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_preg,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:81:2: note: in expansion of macro 'TP_FIELDS'
  TP_FIELDS(
  ^~~~~~~~~
./include/linux/kernel.h:912:27: note: in expansion of macro '__careful_cmp'
 #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
                           ^~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:521:4: note: in expansion of macro 'max_t'
    max_t(size_t, lttng_strlen_user_inatomic(_src), 1);    \
    ^~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-events-write.h:84:2: note: in expansion of macro '_ctf_string'
  _ctf_string(_item, _src, 0, 0)
  ^~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:82:3: note: in expansion of macro 'ctf_string'
   ctf_string(name, platform->CODEC_NAME_FIELD)
   ^~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h: In function '__event_get_size__asoc_snd_soc_cache_sync':
./include/linux/kernel.h:836:2: error: first argument to '__builtin_choose_expr' not a constant
  __builtin_choose_expr(__safe_cmp(x, y), \
  ^
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:561:2: note: in definition of macro 'LTTNG_TRACEPOINT_EVENT_CLASS_CODE'
  _fields              \
  ^~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:117:3: note: in expansion of macro 'PARAMS'
   PARAMS(_fields), )
   ^~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:51:2: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_CLASS'
  LTTNG_TRACEPOINT_EVENT_CLASS(map,    \
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:54:9: note: in expansion of macro 'PARAMS'
         PARAMS(fields))    \
         ^~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:329:1: note: in expansion of macro 'LTTNG_TRACEPOINT_EVENT_MAP'
 LTTNG_TRACEPOINT_EVENT_MAP(snd_soc_cache_sync,
 ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:338:2: note: in expansion of macro 'TP_FIELDS'
  TP_FIELDS(
  ^~~~~~~~~
./include/linux/kernel.h:912:27: note: in expansion of macro '__careful_cmp'
 #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
                           ^~~~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:521:4: note: in expansion of macro 'max_t'
    max_t(size_t, lttng_strlen_user_inatomic(_src), 1);    \
    ^~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../probes/lttng-events-write.h:84:2: note: in expansion of macro '_ctf_string'
  _ctf_string(_item, _src, 0, 0)
  ^~~~~~~~~~~
/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/../instrumentation/events/lttng-module/asoc.h:339:3: note: in expansion of macro 'ctf_string'
   ctf_string(name, codec->CODEC_NAME_FIELD)
   ^~~~~~~~~~
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-regulator.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-scsi.o
  CC [M]  /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-vmscan.o
make[3]: *** [scripts/Makefile.build:323: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes/lttng-probe-asoc.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [scripts/Makefile.build:558: /var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6/probes] Error 2
make[1]: *** [Makefile:1504: _module_/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6] Error 2
make[1]: Leaving directory '/usr/src/linux-4.18.9-gentoo'
make: *** [Makefile:111: modules] Error 2
 * ERROR: dev-util/lttng-modules-2.10.6::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=dev-util/lttng-modules-2.10.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/lttng-modules-2.10.6::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-util/lttng-modules-2.10.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/lttng-modules-2.10.6/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6'
 * S: '/var/tmp/portage/dev-util/lttng-modules-2.10.6/work/lttng-modules-2.10.6'