1 ;;;; Compile the fundamental system sources (not CLOS, and possibly
2 ;;;; not some other warm-load-only stuff like DESCRIBE) to produce
3 ;;;; object files. Also set *TARGET-OBJECT-FILES* to all of their
6 ;;;; This software is part of the SBCL system. See the README file for
9 ;;;; This software is derived from the CMU CL system, which was
10 ;;;; written at Carnegie Mellon University and released into the
11 ;;;; public domain. The software is in the public domain and is
12 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
13 ;;;; files for more information.
15 (in-package "SB-COLD")
17 (defvar *target-object-file-names
*)
19 ;;; Evaluate compile-time effects only
20 (when (make-host-2-parallelism)
22 #+#.
(cl:if
(cl:find-package
"SB-POSIX") '(and) '(or))
23 (defun parallel-make-host-2 (max-jobs)
24 (let ((reversed-target-object-file-names nil
)
26 (subprocess-list nil
))
28 (multiple-value-bind (pid status
) (sb-posix:wait
)
29 (format t
"~&; Subprocess ~D exit status ~D~%" pid status
)
30 (setq subprocess-list
(delete pid subprocess-list
)))
31 (decf subprocess-count
)))
32 (do-stems-and-flags (stem flags
)
33 (unless (position :not-target flags
)
34 (when (>= subprocess-count max-jobs
)
36 (let ((pid (sb-posix:fork
)))
38 (target-compile-stem stem flags
)
39 ;; FIXME: convey exit code based on COMPILE result.
41 (nth-value 1 (find-symbol "OS-EXIT" :sb-sys
)))
42 `(,(find-symbol "OS-EXIT" :sb-sys
) 0)
43 `(sb-unix:unix-exit
0)))
44 (push pid subprocess-list
))
45 (incf subprocess-count
)
46 ;; Cause the compile-time effects from this file
47 ;; to appear in subsequently forked children.
48 (let ((*compile-for-effect-only
* t
))
49 (target-compile-stem stem flags
))
50 (unless (find :not-genesis flags
)
51 (push (stem-object-path stem flags
:target-compile
)
52 reversed-target-object-file-names
))))
53 (loop (if (plusp subprocess-count
) (wait) (return)))
54 (nreverse reversed-target-object-file-names
))))
57 (setf *target-object-file-names
*
58 (if (make-host-2-parallelism)
59 (parallel-make-host-2 (make-host-2-parallelism))
60 (let ((reversed-target-object-file-names nil
))
61 (do-stems-and-flags (stem flags
)
62 (unless (position :not-target flags
)
63 (let ((filename (target-compile-stem stem flags
)))
64 (unless (position :not-genesis flags
)
65 (push filename reversed-target-object-file-names
)))
66 #!+sb-show
(warn-when-cl-snapshot-diff *cl-snapshot
*)))
67 (nreverse reversed-target-object-file-names
))))