1  /* NB: Don't define MINSIGSTKSZ nor SIGSTKSZ to sysconf (SC_SIGSTKSZ) for
       2     glibc build.  IS_IN can only be used when _ISOMAC isn't defined.  */
       3  #ifdef _ISOMAC
       4  # include_next <bits/sigstksz.h>
       5  #elif IS_IN (libsupport)
       6  # include_next <bits/sigstksz.h>
       7  #endif