make-host-1.lisp

   1 ;;; (We want to have some limit on print length and print level during
   2 ;;; bootstrapping because PRINT-OBJECT only gets set up rather late,
   3 ;;; and running without PRINT-OBJECT it's easy to fall into printing
   4 ;;; enormous (or infinitely circular) low-level representations of
   5 ;;; things.)
   6 (setf *print-level* 5 *print-length* 5)
   7
   8 (progn
   9   (load "src/cold/shared.lisp")
  10   (load "tools-for-build/ldso-stubs.lisp")
  11   (let ((*print-pretty* nil)
  12         (*print-length* nil))
  13     (dolist (thing '("*SHEBANG-FEATURES*" "*SHEBANG-BACKEND-SUBFEATURES*"))
  14       (let ((val (symbol-value (intern thing "SB-COLD"))))
  15         (when val
  16           (format t "~&target *~A* = ~S~%"
  17                   (subseq thing (length "*SHEBANG-") (1- (length thing)))
  18                   val))))))
  19 (in-package "SB-COLD")
  20 (progn
  21   (setf *host-obj-prefix* "obj/from-host/")
  22   (load "src/cold/set-up-cold-packages.lisp")
  23   (load "src/cold/defun-load-or-cload-xcompiler.lisp")
  24
  25   ;; Supress function/macro redefinition warnings under clisp.
  26   #+clisp (setf custom:*suppress-check-redefinition* t)
  27
  28   (defmacro maybe-with-compilation-unit (&body forms)
  29     ;; A compilation-unit seems to kill the compile. I'm not sure if it's
  30     ;; running out of memory or what. I don't care to find out,
  31     ;; but it's most definitely the cause of the breakage.
  32     #+clisp `(progn ,@forms)
  33
  34     #+sbcl
  35     ;; Watch for deferred warnings under SBCL.
  36     ;; UNDEFINED-VARIABLE does not cause COMPILE-FILE to return warnings-p
  37     ;; unless outside a compilation unit. You find out about it only upon
  38     ;; exit of SUMMARIZE-COMPILATION-UNIT. So we set up a handler for that.
  39     `(let (in-summary fail)
  40        (handler-bind (((and simple-warning (not style-warning))
  41                        (lambda (c)
  42                          ;; hack for PPC. See 'build-order.lisp-expr'
  43                          ;; Ignore the warning, and the warning about the warning.
  44                          (unless (or (search "not allowed by the operand type"
  45                                              (simple-condition-format-control c))
  46                                      (search "ignoring FAILURE-P return"
  47                                              (simple-condition-format-control c)))
  48                            (setq fail 'warning))))
  49                       ;; Prevent regressions on a couple platforms
  50                       ;; that are known to build cleanly.
  51                       #!+(or x86 x86-64 arm64)
  52                       (sb-int:simple-style-warning
  53                        (lambda (c)
  54                          (when (and in-summary
  55                                     (search "undefined"
  56                                             (simple-condition-format-control c)))
  57                            (unless (eq fail 'warning)
  58                              (setq fail 'style-warning))))))
  59          (with-compilation-unit ()
  60            (multiple-value-prog1 (progn ,@forms) (setq in-summary t))))
  61        (when fail
  62          (cerror "Proceed anyway"
  63                  "make-host-1 stopped due to unexpected ~A." fail)))
  64
  65     #-(or clisp sbcl) `(with-compilation-unit () ,@forms))
  66
  67   ;; Now we can set the #[+-] readers to our precautionary
  68   ;; readers that prohibit use of ":sbcl" as the condition.
  69   (set-dispatch-macro-character #\# #\+ #'she-reader)
  70   (set-dispatch-macro-character #\# #\- #'she-reader))
  71
  72 (maybe-with-compilation-unit
  73  (load-or-cload-xcompiler #'host-cload-stem)
  74
  75 ;;; Let's check that the type system, and various other things, are
  76 ;;; reasonably sane. (It's easy to spend a long time wandering around
  77 ;;; confused trying to debug cross-compilation if it isn't.)
  78  (load "tests/type.before-xc.lisp")
  79  (load "tests/info.before-xc.lisp")
  80  (load "tests/vm.before-xc.lisp")
  81 ;; When building on a slow host using a slow Lisp,
  82 ;; the wait time in slurp-ucd seems interminable - over a minute.
  83 ;; Compiling seems to help a bit, but maybe it's my imagination.
  84  (let ((object (compile-file "tools-for-build/ucd.lisp")))
  85    (load object)
  86    (delete-file object))
  87
  88 ;;; Generate character database tables.
  89  (dolist (s '(sb-cold::slurp-ucd sb-cold::slurp-proplist sb-cold::output))
  90    (funcall s))
  91
  92 ;;; propagate structure offset and other information to the C runtime
  93 ;;; support code.
  94  (host-cload-stem "src/compiler/generic/genesis" nil)
  95 ) ; END with-compilation-unit
  96
  97 (sb-cold:genesis :c-header-dir-name "src/runtime/genesis")