diff -up make-3.82/main.c\~ make-3.82/main.c

--- make-3.82/main.c~	2010-07-19 09:10:53.000000000 +0200

+++ make-3.82/main.c	2010-08-11 15:12:09.000000000 +0200

@@ -1765,6 +1765,20 @@ main (int argc, char **argv, char **envp

         }

     }

+#ifdef PIPE_BUF

+  if (job_slots > PIPE_BUF)

+#elif defined _POSIX_PIPE_BUF

+  if (job_slots > _POSIX_PIPE_BUF)

+#else

+  if (job_slots > 512)

+#endif

+    {

+      error (NILF,

+	     _("More parallel jobs (-jN) than this platform can handle requested."));

+      error (NILF, _("Resetting to single job (-j1) mode."));

+      job_slots = 1;

+    }

+

   /* If we have >1 slot but no jobserver-fds, then we're a top-level make.

      Set up the pipe and install the fds option for our children.  */

Diff finished.  Wed Aug 11 15:12:32 2010