use Inline 'C' => Config => BUILD_NOISY => 1;
use Inline 'C' => Config => CCFLAGSEX => '-O3 -fopenmp';
use Inline 'C' => config => LIBS => '-lgomp';
use Inline 'C' => <<'END_C',  CLEAN_AFTER_BUILD => 0;
   // C code
END_C