* Package:    sys-kernel/kpatch-0.6.3
 * Repository: gentoo
 * Maintainer: alicef@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux kmod kpatch kpatch-build userland_GNU
 * FEATURES:   compressdebug preserve-libs sandbox splitdebug userpriv usersandbox
 * Package:    sys-kernel/kpatch-0.6.3
 * Repository: gentoo
 * Maintainer: alicef@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux kmod kpatch kpatch-build userland_GNU
 * FEATURES:   compressdebug preserve-libs sandbox splitdebug userpriv usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     5.2.3-gentoo
 * Checking for suitable kernel configuration options...
 [ ok ]
>>> Unpacking source...
>>> Unpacking kpatch-0.6.3.tar.gz to /var/tmp/portage/sys-kernel/kpatch-0.6.3/work
>>> Source unpacked in /var/tmp/portage/sys-kernel/kpatch-0.6.3/work
>>> Preparing source in /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3 ...
make -j1 -C kpatch-build 
make: Entering directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kpatch-build'
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o create-diff-object.o create-diff-object.c
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o kpatch-elf.o kpatch-elf.c
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o lookup.o lookup.c
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o insn/insn.o insn/insn.c
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o insn/inat.o insn/inat.c
gcc -Wl,-O1 -Wl,--as-needed  create-diff-object.o kpatch-elf.o lookup.o insn/insn.o insn/inat.o  -lelf -o create-diff-object
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o create-klp-module.o create-klp-module.c
gcc -Wl,-O1 -Wl,--as-needed  create-klp-module.o kpatch-elf.o  -lelf -o create-klp-module
gcc -march=skylake -O1 -pipe -MMD -MP -I../kmod/patch -Iinsn -Wall -Wsign-compare -g -Werror   -c -o create-kpatch-module.o create-kpatch-module.c
gcc -Wl,-O1 -Wl,--as-needed  create-kpatch-module.o kpatch-elf.o  -lelf -o create-kpatch-module
make: Leaving directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kpatch-build'
make -j1 -C kpatch 
make: Entering directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kpatch'
make: Nothing to be done for 'all'.
make: Leaving directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kpatch'
make -j1 -C kmod 
make: Entering directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod'
make -C core clean
make[1]: Entering directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core'
rm -f -Rf .*.o.cmd .*.ko.cmd .tmp_versions *.o *.ko *.mod.c \
Module.symvers
make[1]: Leaving directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core'
make -C core
make[1]: Entering directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core'
make -C /lib/modules/5.2.3-gentoo/build M=/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core kpatch.ko
make[2]: Entering directory '/usr/src/linux-5.2.3-gentoo'
  CC [M]  /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.o
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:143:15: error: variable ‘trace’ has initializer but incomplete type
  143 | static struct stack_trace trace = {
      |               ^~~~~~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:144:3: error: ‘struct stack_trace’ has no member named ‘max_entries’
  144 |  .max_entries = ARRAY_SIZE(stack_entries),
      |   ^~~~~~~~~~~
In file included from ./include/linux/list.h:9,
                 from ./include/linux/module.h:9,
                 from /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:37:
./include/linux/kernel.h:47:25: warning: excess elements in struct initializer
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                         ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:144:17: note: in expansion of macro ‘ARRAY_SIZE’
  144 |  .max_entries = ARRAY_SIZE(stack_entries),
      |                 ^~~~~~~~~~
./include/linux/kernel.h:47:25: note: (near initialization for ‘trace’)
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                         ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:144:17: note: in expansion of macro ‘ARRAY_SIZE’
  144 |  .max_entries = ARRAY_SIZE(stack_entries),
      |                 ^~~~~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:145:3: error: ‘struct stack_trace’ has no member named ‘entries’
  145 |  .entries = &stack_entries[0],
      |   ^~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:145:13: warning: excess elements in struct initializer
  145 |  .entries = &stack_entries[0],
      |             ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:145:13: note: (near initialization for ‘trace’)
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c: In function ‘kpatch_verify_activeness_safety’:
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:274:8: error: invalid use of undefined type ‘struct stack_trace’
  274 |   trace.nr_entries = 0;
      |        ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:275:3: error: implicit declaration of function ‘save_stack_trace_tsk’ [-Werror=implicit-function-declaration]
  275 |   save_stack_trace_tsk(t, &trace);
      |   ^~~~~~~~~~~~~~~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:276:12: error: invalid use of undefined type ‘struct stack_trace’
  276 |   if (trace.nr_entries >= trace.max_entries) {
      |            ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:276:32: error: invalid use of undefined type ‘struct stack_trace’
  276 |   if (trace.nr_entries >= trace.max_entries) {
      |                                ^
In file included from ./include/linux/kernel.h:15,
                 from ./include/linux/list.h:9,
                 from ./include/linux/module.h:9,
                 from /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:37:
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:279:16: error: invalid use of undefined type ‘struct stack_trace’
  279 |           trace.max_entries);
      |                ^
./include/linux/printk.h:304:33: note: in definition of macro ‘pr_err’
  304 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:283:38: error: invalid use of undefined type ‘struct stack_trace’
  283 |                 for (i = 0; i < trace.nr_entries; i++) {
      |                                      ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:284:13: error: invalid use of undefined type ‘struct stack_trace’
  284 |    if (trace.entries[i] == ULONG_MAX)
      |             ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:287:19: error: invalid use of undefined type ‘struct stack_trace’
  287 |              trace.entries[i]);
      |                   ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:297:24: error: invalid use of undefined type ‘struct stack_trace’
  297 |   for (i = 0; i < trace.nr_entries; i++) {
      |                        ^
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:298:13: error: invalid use of undefined type ‘struct stack_trace’
  298 |    if (trace.entries[i] == ULONG_MAX)
      |             ^
In file included from ./include/linux/kernel.h:15,
                 from ./include/linux/list.h:9,
                 from ./include/linux/module.h:9,
                 from /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:37:
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:301:24: error: invalid use of undefined type ‘struct stack_trace’
  301 |           (void *)trace.entries[i],
      |                        ^
./include/linux/printk.h:304:33: note: in definition of macro ‘pr_err’
  304 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:302:24: error: invalid use of undefined type ‘struct stack_trace’
  302 |           (void *)trace.entries[i]);
      |                        ^
./include/linux/printk.h:304:33: note: in definition of macro ‘pr_err’
  304 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c: At top level:
/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.c:143:27: error: storage size of ‘trace’ isn’t known
  143 | static struct stack_trace trace = {
      |                           ^~~~~
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:279: /var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core/core.o] Error 1
make[2]: *** [Makefile:1746: kpatch.o] Error 2
make[2]: Leaving directory '/usr/src/linux-5.2.3-gentoo'
make[1]: *** [Makefile:13: kpatch.ko] Error 2
make[1]: Leaving directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod/core'
make: *** [Makefile:7: all] Error 2
make: Leaving directory '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3/kmod'
 * ERROR: sys-kernel/kpatch-0.6.3::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=sys-kernel/kpatch-0.6.3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-kernel/kpatch-0.6.3::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/sys-kernel/kpatch-0.6.3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-kernel/kpatch-0.6.3/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3'
 * S: '/var/tmp/portage/sys-kernel/kpatch-0.6.3/work/kpatch-0.6.3'