Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_c3f83/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_c3f83.dir/build.make CMakeFiles/cmTC_c3f83.dir/build
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_c3f83.dir/src.c.o
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/src.c"' -DCMAKE_HAVE_LIBC_PTHREAD  -DNDEBUG   -o CMakeFiles/cmTC_c3f83.dir/src.c.o   -c /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_c3f83
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_c3f83.dir/link.txt --verbose=1
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"$(subst /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/,,$(abspath $<))"' -DCMAKE_HAVE_LIBC_PTHREAD  -DNDEBUG    CMakeFiles/cmTC_c3f83.dir/src.c.o  -o cmTC_c3f83 
CMakeFiles/cmTC_c3f83.dir/src.c.o: In function `main':
src.c:(.text.startup+0x10): undefined reference to `pthread_create'
src.c:(.text.startup+0x16): undefined reference to `pthread_detach'
src.c:(.text.startup+0x1e): undefined reference to `pthread_join'
src.c:(.text.startup+0x28): undefined reference to `pthread_atfork'
collect2: error: ld returned 1 exit status
make[2]: *** [cmTC_c3f83] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_c3f83/fast] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'


Source file was:
#include <pthread.h>

void* test_func(void* data)
{
  return data;
}

int main(void)
{
  pthread_t thread;
  pthread_create(&thread, NULL, test_func, NULL);
  pthread_detach(thread);
  pthread_join(thread, NULL);
  pthread_atfork(NULL, NULL, NULL);
  pthread_exit(NULL);

  return 0;
}

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_e2ae9/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_e2ae9.dir/build.make CMakeFiles/cmTC_e2ae9.dir/build
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_e2ae9.dir/CheckFunctionExists.c.o
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"/home/buildroot/autobuild/run/instance-3/output-1/host/share/cmake-3.15/Modules/CheckFunctionExists.c"' -DCHECK_FUNCTION_EXISTS=pthread_create  -DNDEBUG   -o CMakeFiles/cmTC_e2ae9.dir/CheckFunctionExists.c.o   -c /home/buildroot/autobuild/run/instance-3/output-1/host/share/cmake-3.15/Modules/CheckFunctionExists.c
Linking C executable cmTC_e2ae9
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_e2ae9.dir/link.txt --verbose=1
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"$(subst /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/,,$(abspath $<))"' -DCHECK_FUNCTION_EXISTS=pthread_create  -DNDEBUG    CMakeFiles/cmTC_e2ae9.dir/CheckFunctionExists.c.o  -o cmTC_e2ae9 -lpthreads 
/home/buildroot/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-none-linux-gnueabi/4.8.3/../../../../arm-none-linux-gnueabi/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
make[2]: *** [cmTC_e2ae9] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_e2ae9/fast] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'



Performing C SOURCE FILE Test MK_HAVE_VALGRIND failed with the following output:
Change Dir: /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_69ad0/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_69ad0.dir/build.make CMakeFiles/cmTC_69ad0.dir/build
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_69ad0.dir/src.c.o
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/src.c"' -DMK_HAVE_VALGRIND  -DNDEBUG   -o CMakeFiles/cmTC_69ad0.dir/src.c.o   -c /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c
/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:2:33: fatal error: valgrind/valgrind.h: No such file or directory
   #include <valgrind/valgrind.h>
                                 ^
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_69ad0.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_69ad0/fast] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'


Source file was:

  #include <valgrind/valgrind.h>
  int main() {
     return 0;
  }
Performing C SOURCE FILE Test HAVE_REGEX failed with the following output:
Change Dir: /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_f0741/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_f0741.dir/build.make CMakeFiles/cmTC_f0741.dir/build
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_f0741.dir/src.c.o
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/src.c"' -DHAVE_REGEX  -DNDEBUG   -o CMakeFiles/cmTC_f0741.dir/src.c.o   -c /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c
/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c: In function 'main':
/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:6:6: error: 'ret' undeclared (first use in this function)
      ret = regcomp(&reg, str, REG_EXTENDED|REG_ICASE|REG_NOSUB);
      ^
/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:6:6: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [CMakeFiles/cmTC_f0741.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_f0741/fast] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'


Source file was:

  #include <regex.h>
  int main() {
     regex_t reg;
     const char str[] = "[a-zA-Z0-9]*";
     ret = regcomp(&reg, str, REG_EXTENDED|REG_ICASE|REG_NOSUB);
     return 0;
  }
Performing C SOURCE FILE Test HAVE_KQUEUE failed with the following output:
Change Dir: /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_de29e/fast && make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_de29e.dir/build.make CMakeFiles/cmTC_de29e.dir/build
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_de29e.dir/src.c.o
/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-none-linux-gnueabi-gcc --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabi/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/src.c"' -DHAVE_KQUEUE  -DNDEBUG   -o CMakeFiles/cmTC_de29e.dir/src.c.o   -c /home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c
/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:2:25: fatal error: sys/event.h: No such file or directory
   #include <sys/event.h>
                         ^
compilation terminated.
make[2]: *** [CMakeFiles/cmTC_de29e.dir/src.c.o] Error 1
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'
make[1]: *** [cmTC_de29e/fast] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp'


Source file was:

  #include <sys/event.h>
  int main() {
     return kqueue();
  }