build error again

gistfile1.txt

[ 14%] Building CXX object CMakeFiles/benchmark.dir/src/benchmark.cc.o
[ 28%] Building CXX object CMakeFiles/benchmark.dir/src/colorprint.cc.o
[ 42%] Building CXX object CMakeFiles/benchmark.dir/src/commandlineflags.cc.o
[ 57%] Building CXX object CMakeFiles/benchmark.dir/src/sleep.cc.o
[ 71%] Building CXX object CMakeFiles/benchmark.dir/src/sysinfo.cc.o
/Users/davidcoeurjolly/local/src/benchmark/src/sysinfo.cc:256:25: error: use of undeclared identifier 'CTL_HW'
  int numcpus_name[] = {CTL_HW, HW_NCPU};
                        ^
/Users/davidcoeurjolly/local/src/benchmark/src/sysinfo.cc:256:33: error: use of undeclared identifier 'HW_NCPU'
  int numcpus_name[] = {CTL_HW, HW_NCPU};
                                ^
/Users/davidcoeurjolly/local/src/benchmark/src/sysinfo.cc:257:9: error: no member named 'sysctl' in the global namespace
  if (::sysctl(numcpus_name, arraysize(numcpus_name), &num_cpus, &size, 0, 0) ==
      ~~^
/Users/davidcoeurjolly/local/src/benchmark/src/sysinfo.cc:257:30: error: no matching function for call to 'ArraySizeHelper'
  if (::sysctl(numcpus_name, arraysize(numcpus_name), &num_cpus, &size, 0, 0) ==
                             ^~~~~~~~~~~~~~~~~~~~~~~
/Users/davidcoeurjolly/local/src/benchmark/include/benchmark/macros.h:35:34: note: expanded from macro 'arraysize'
#define arraysize(array) (sizeof(ArraySizeHelper(array)))
                                 ^~~~~~~~~~~~~~~
/Users/davidcoeurjolly/local/src/benchmark/include/benchmark/macros.h:25:8: note: candidate template ignored: failed template argument deduction
char (&ArraySizeHelper(T (&array)[N]))[N];
       ^
/Users/davidcoeurjolly/local/src/benchmark/include/benchmark/macros.h:32:8: note: candidate template ignored: failed template argument deduction
char (&ArraySizeHelper(const T (&array)[N]))[N];
       ^
4 errors generated.
make[2]: *** [CMakeFiles/benchmark.dir/src/sysinfo.cc.o] Error 1
make[1]: *** [CMakeFiles/benchmark.dir/all] Error 2
make: *** [all] Error 2