|
|
2d4dfd6 |
diff -Nrup a/main.c b/main.c
|
|
|
2d4dfd6 |
--- a/main.c 2013-10-09 00:22:40.000000000 -0400
|
|
|
2d4dfd6 |
+++ b/main.c 2014-02-03 17:18:04.238609236 -0500
|
|
|
2d4dfd6 |
@@ -1987,6 +1987,20 @@ main (int argc, char **argv, char **envp
|
|
|
2d4dfd6 |
}
|
|
|
2d4dfd6 |
#endif
|
|
|
2d4dfd6 |
|
|
|
2d4dfd6 |
+#ifdef PIPE_BUF
|
|
|
2d4dfd6 |
+ if (job_slots > PIPE_BUF)
|
|
|
2d4dfd6 |
+#elif defined _POSIX_PIPE_BUF
|
|
|
2d4dfd6 |
+ if (job_slots > _POSIX_PIPE_BUF)
|
|
|
2d4dfd6 |
+#else
|
|
|
2d4dfd6 |
+ if (job_slots > 512)
|
|
|
2d4dfd6 |
+#endif
|
|
|
2d4dfd6 |
+ {
|
|
|
2d4dfd6 |
+ O (error, NILF,
|
|
|
2d4dfd6 |
+ _("More parallel jobs (-jN) than this platform can handle requested."));
|
|
|
2d4dfd6 |
+ O (error, NILF, _("Resetting to single job (-j1) mode."));
|
|
|
2d4dfd6 |
+ job_slots = 1;
|
|
|
2d4dfd6 |
+ }
|
|
|
2d4dfd6 |
+
|
|
|
2d4dfd6 |
#ifdef MAKE_JOBSERVER
|
|
|
2d4dfd6 |
/* If we have >1 slot but no jobserver-fds, then we're a top-level make.
|
|
|
2d4dfd6 |
Set up the pipe and install the fds option for our children. */
|