+
+ AC_CHECK_FUNCS([sched_getaffinity sched_getaffinity_np \
+ pstat_getdynamic sysmp sysctl])
+
+ dnl Test whether sched_getaffinity has the expected declaration.
+ dnl glibc 2.3.[0-2]:
+ dnl int sched_getaffinity (pid_t, unsigned int, unsigned long int *);
+ dnl glibc 2.3.3:
+ dnl int sched_getaffinity (pid_t, cpu_set_t *);
+ dnl glibc >= 2.3.4:
+ dnl int sched_getaffinity (pid_t, size_t, cpu_set_t *);
+ if test $ac_cv_func_sched_getaffinity = yes; then
+ AC_CACHE_CHECK([for glibc compatible sched_getaffinity],
+ [gl_cv_func_sched_getaffinity3],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sched.h>]],
+ [[sched_getaffinity (0, 0, (cpu_set_t *) 0);]])],
+ [gl_cv_func_sched_getaffinity3=yes],
+ [gl_cv_func_sched_getaffinity3=no])
+ ])
+ if test $gl_cv_func_sched_getaffinity3 = yes; then
+ AC_DEFINE([HAVE_SCHED_GETAFFINITY_LIKE_GLIBC], [1],
+ [Define to 1 if sched_getaffinity has a glibc compatible declaration.])
+ fi
+ fi