thread-utils.hon commit t4006-diff-mode.sh: use the $( ... ) construct for command substitution (e1d6b55)
   1#ifndef THREAD_COMPAT_H
   2#define THREAD_COMPAT_H
   3
   4#ifndef NO_PTHREADS
   5#include <pthread.h>
   6
   7extern int online_cpus(void);
   8extern int init_recursive_mutex(pthread_mutex_t*);
   9
  10#endif
  11#endif /* THREAD_COMPAT_H */