From deda2c0fd8689349fea2a900199a76ff7ecb319e Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Mon, 20 Feb 2017 00:05:26 -0800
Subject: Import Upstream version 5d6

---
 compile.scm | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100755 compile.scm

(limited to 'compile.scm')

diff --git a/compile.scm b/compile.scm
new file mode 100755
index 0000000..ce96822
--- /dev/null
+++ b/compile.scm
@@ -0,0 +1,112 @@
+#! /bin/sh
+:;exec scm -e"(set! *script* \"$0\")" -f$0 $*
+
+;; Copyright (C) 1992-2002 Free Software Foundation, Inc.
+;;
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this software; see the file COPYING.  If not, write to
+;; the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+;;
+;; As a special exception, the Free Software Foundation gives permission
+;; for additional uses of the text contained in its release of SCM.
+;;
+;; The exception is that, if you link the SCM library with other files
+;; to produce an executable, this does not by itself cause the
+;; resulting executable to be covered by the GNU General Public License.
+;; Your use of that executable is in no way restricted on account of
+;; linking the SCM library code into it.
+;;
+;; This exception does not however invalidate any other reasons why
+;; the executable file might be covered by the GNU General Public License.
+;;
+;; This exception applies only to the code released by the
+;; Free Software Foundation under the name SCM.  If you copy
+;; code from other Free Software Foundation releases into a copy of
+;; SCM, as the General Public License permits, the exception does
+;; not apply to the code that you add in this way.  To avoid misleading
+;; anyone as to the status of such modified files, you must delete
+;; this exception notice from them.
+;;
+;; If you write modifications of your own for SCM, it is your choice
+;; whether to permit this exception to apply to your modifications.
+;; If you do not wish that, delete this exception notice.
+
+;;;; "compile.scm", Compile C ==> Scheme ==> object-file.
+;;; Author: Aubrey Jaffer.
+
+(define (go-script)
+  (cond ((not *script*))
+	((and (<= 1 (- (length *argv*) *optind*))
+	      (not (eqv? #\- (string-ref (car (list-tail *argv* *optind*)) 0))))
+	 (apply compile-file (list-tail *argv* *optind*)))
+	(else
+	 (display "\
+\
+Usage: compile.scm FILE1.scm FILE2.scm ...
+\
+  Compiles Scheme FILE1.scm FILE2.scm ... to an object file named
+  FILE1<object-suffix>, where <object-suffix> is the object file suffix
+  for your computer (for instance, `.o').  FILE1.scm must be in the
+  current directory; FILE2.scm ... can be in other directories.
+"
+		  (current-error-port))
+	 (exit #f))))
+
+;;; This unusual autoload loads either the
+;;; source or compiled version if present.
+(if (not (defined? hobbit))		;Autoload for hobbit
+(define (hobbit . args)
+  (require 'hobbit)
+  (apply hobbit args)))
+
+(define (compile-file file . args)
+  (require 'glob)
+  (apply hobbit file args)
+  (let ((command
+	 (list "build"
+	       "-hsystem"
+	       "-tdll"
+	       (string-append "--compiler-options=-I" (implementation-vicinity))
+	       "-c" (replace-suffix file (scheme-file-suffix) ".c"))))
+    (require 'build)
+    (cond ((>= (verbose) 3) (write command) (newline)))
+    (build-from-whole-argv command)))
+
+(define (compile->executable name . args)
+  (define sfs (scheme-file-suffix))
+  (require 'glob)
+  (for-each hobbit args)
+  (let ((inits (map (lambda (file)
+		      (string-append "-iinit_" (replace-suffix file sfs "")))
+		    args))
+	(files (map (lambda (file)
+		      (string-append "-c" (replace-suffix file sfs ".c")))
+		    args)))
+    (define command (append (list "build"
+				  "-hsystem"
+				  "--type=exe"
+				  "-o" name
+				  "-F" "compiled-closure" "inexact"
+				  (string-append "--linker-options=-L"
+						 (implementation-vicinity)))
+			    files
+			    inits))
+    (require 'build)
+    (cond ((>= (verbose) 3) (write command) (newline)))
+    (build-from-whole-argv command)))
+
+(go-script)
+
+;;; Local Variables:
+;;; mode:scheme
+;;; End:
-- 
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