--- /dev/null
+AC_DEFUN(SOLARIS_PROC_HAS_P_COREFILE, [
+AC_MSG_CHECKING(for p_corefile in struct proc)
+AC_CACHE_VAL(ac_cv_solaris_proc_has_p_corefile,
+[
+AC_TRY_COMPILE(
+[#define _KERNEL
+#include <sys/proc.h>],
+[struct proc _proc;
+(void) _proc.p_corefile;],
+ac_cv_solaris_proc_has_p_corefile=yes,
+ac_cv_solaris_proc_has_p_corefile=no)])
+AC_MSG_RESULT($ac_cv_solaris_proc_has_p_corefile)
+if test "$ac_cv_solaris_proc_has_p_corefile" = "yes"; then
+ AC_DEFINE(HAVE_P_COREFILE, 1, [define if struct proc has p_corefile])
+fi
+])
+