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+;; Copyright (C) 1993, 1994, 1995 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;
+;; As a special exception, the Free Software Foundation gives permission
+;; for additional uses of the text contained in its release of GUILE.
+;;
+;; The exception is that, if you link the GUILE 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 GUILE 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 GUILE. If you copy
+;; code from other Free Software Foundation releases into a copy of
+;; GUILE, 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 GUILE, it is your choice
+;; whether to permit this exception to apply to your modifications.
+;; If you do not wish that, delete this exception notice.
+
+;;;; "Link.scm", Compiling and dynamic linking code for SCM.
+;;; Author: Aubrey Jaffer.
+
+(define cc:command
+ (let ((default "cc -c")) ;-O removed for HP-UX self-compile
+ (case (software-type)
+ ((unix) (if (memq 'sun-dl *features*)
+ "gcc -g -O -fpic -c" ; If you have problems change -fpic to
+ ; -fPIC (see GCC info pages).
+ default))
+ (else default))))
+
+(define link:command
+ (case (software-type)
+ (else "cc")))
+
+(define scm:object-suffix
+ (case (software-type)
+ ((MSDOS VMS) ".OBJ")
+ (else (if (provided? 'sun-dl) ".so" ".o"))))
+
+;;; This is an unusual autoload because it should load either the
+;;; source or compiled version if present.
+(if (not (defined? hobbit)) ;Autoload for hobbit
+ (define (hobbit . args)
+ (require (in-vicinity (implementation-vicinity) "hobbit"))
+ (provide 'hobbit)
+ (apply hobbit args)))
+
+(define (compile-file file . args)
+ (apply hobbit file args)
+ (require (in-vicinity (implementation-vicinity) "build"))
+ (build-from-whole-argv
+ (list "build" "-tdll"
+ (string-append "--compiler-options=-I" (implementation-vicinity))
+ "-c"
+ (string-append (descmify file) ".c")
+ ;; or (replace-suffix file (scheme-file-suffix) ".c")
+ "-hsystem"
+ )))
+
+(define (link-named-scm name . modules)
+ (require (in-vicinity (implementation-vicinity) "build"))
+ (let* ((iv (implementation-vicinity))
+ (oss (string-append scm:object-suffix " "))
+ (command
+ (list "build" "--type=exe" "-cscm.c" "-hsystem"
+ (string-append "--linker-options=-L" (implementation-vicinity))
+ (apply string-append
+ "-i"
+ (map (lambda (n)
+ (string-append "init_" n))
+ modules))
+ (apply string-append
+ "-j"
+ (map (lambda (n)
+ (string-append n oss)) modules))
+ "-o" name)))
+ (cond ((>= (verbose) 3)
+ (write command) (newline)))
+ (build-from-whole-argv command)))
+
+;;;; Dynamic linking/loading
+
+(cond
+ ((defined? dyn:link)
+ (define link:modules '())
+ (define link:able-suffix
+ (cond ((provided? 'shl) ".sl")
+ ((provided? 'sun-dl) ".so")
+ (else ".o")))
+ (define link:link
+ (lambda (file . libs)
+ (define oloadpath *load-pathname*)
+ (let* ((sl (string-length file))
+ (lasl (string-length link:able-suffix))
+ (*vicinity-suffix*
+ (case (software-type)
+ ((NOSVE) '(#\: #\.))
+ ((AMIGA) '(#\: #\/))
+ ((UNIX) '(#\/))
+ ((VMS) '(#\: #\]))
+ ((MSDOS ATARIST OS/2) '(#\\))
+ ((MACOS THINKC) '(#\:))))
+ (fname (let loop ((i (- sl 1)))
+ (cond ((negative? i) file)
+ ((memv (string-ref file i) *vicinity-suffix*)
+ (substring file (+ i 1) sl))
+ (else (loop (- i 1))))))
+ (nsl (string-length fname))
+ (name (cond ((< nsl lasl) fname)
+ ((string-ci=? (substring fname (- nsl lasl) nsl)
+ link:able-suffix)
+ (substring fname 0 (- nsl lasl)))
+ (else fname)))
+ (linkobj #f))
+ (set! *load-pathname* file)
+ (set! linkobj (assoc name link:modules))
+ (cond (linkobj (dyn:unlink (cdr linkobj))))
+ (set! linkobj (dyn:link file))
+ (for-each (lambda (lib)
+ (cond ((dyn:link lib))
+ (else (slib:error "couldn't link: " lib))))
+ libs)
+ (cond ((not linkobj)
+ (set! *load-pathname* oloadpath) #f)
+ ((dyn:call
+ (string-append
+ "init_" (list->string (map char-downcase (string->list name))))
+ linkobj)
+ (set! link:modules (acons name linkobj link:modules))
+ (set! *load-pathname* oloadpath) #t)
+ (else
+ (dyn:unlink linkobj)
+ (set! *load-pathname* oloadpath) #f)))))))
+
+(cond
+ ((defined? vms:dynamic-link-call)
+ (define link:able-suffix #f)
+ (define (link:link file)
+ (define dir "")
+ (define fil "")
+ (let loop ((i (- (string-length file) 1)))
+ (cond ((negative? i) (set! dir file))
+ ((memv (string-ref file i) '(#\: #\]))
+ (set! dir (substring file 0 (+ i 1)))
+ (set! fil (substring file (+ i 1) (string-length file))))
+ (else (loop (- i 1)))))
+ (vms:dynamic-link-call dir fil (string-append "init_" fil)))))
+
+(set! *catalog*
+ (acons 'scmhob (in-vicinity (implementation-vicinity) "scmhob")
+ *catalog*))
+(and (defined? *catalog*) (defined? link:link)
+ (cond ((provided? 'dld:dyncm)
+ (define (usr:lib lib)
+ (or (and (member lib '("c" "m"))
+ (let ((sa (string-append "/usr/lib/lib" lib ".sa")))
+ (and (file-exists? sa) sa)))
+ (string-append "/usr/lib/lib" lib ".a")))
+ (define (x:lib lib) (string-append "/usr/X11/lib/lib" lib ".sa")))
+ ((provided? 'sun-dl)
+ ;; These libraries are (deferred) linked in conversion to ".so"
+ (define (usr:lib lib) #f)
+ (define (x:lib lib) #f))
+ ((provided? 'shl)
+ (define (usr:lib lib)
+ (if (member lib '("c" "m"))
+ (string-append "/lib/lib" lib link:able-suffix)
+ (string-append "/usr/lib/lib" lib link:able-suffix)))
+ (define (x:lib lib) (string-append "/usr/X11R5/lib/lib"
+ lib link:able-suffix)))
+ (else
+ (define (usr:lib lib) (string-append "/usr/lib/lib" lib ".a"))
+ (define (x:lib lib) (string-append "/usr/X11/lib/lib" lib ".sa"))))
+ (begin
+ (define wb:vicinity (string-append (implementation-vicinity) "../wb/"))
+ (define (catalog:add-link feature ofile . libs)
+ (define fe (file-exists? ofile))
+ (cond ((or (not (require:feature->path feature)) fe)
+ ;; remove #f from libs list
+ (set! libs (let rem ((l libs))
+ (cond ((null? l) l)
+ ((car l) (cons (car l) (rem (cdr l))))
+ (else (rem (cdr l))))))
+ (set! *catalog*
+ (acons feature (cons 'compiled (cons ofile libs))
+ *catalog*))
+ fe)
+ (else #f)))
+ (set! *catalog*
+ (acons 'wb-table (in-vicinity wb:vicinity "wbtab") *catalog*))
+ (catalog:add-link 'db
+ (in-vicinity wb:vicinity "db" link:able-suffix)
+ (in-vicinity wb:vicinity "handle" link:able-suffix)
+ (in-vicinity wb:vicinity "blink" link:able-suffix)
+ (in-vicinity wb:vicinity "prev" link:able-suffix)
+ (in-vicinity wb:vicinity "ent" link:able-suffix)
+ (in-vicinity wb:vicinity "sys" link:able-suffix)
+ (in-vicinity wb:vicinity "del" link:able-suffix)
+ (in-vicinity wb:vicinity "stats" link:able-suffix)
+ (in-vicinity wb:vicinity "blkio" link:able-suffix)
+ (in-vicinity wb:vicinity "scan" link:able-suffix)
+ (usr:lib "c"))
+ (set! *catalog* (cons '(wb . db) *catalog*))
+ (catalog:add-link 'turtle-graphics
+ (in-vicinity (implementation-vicinity) "turtlegr"
+ link:able-suffix)
+ (x:lib "X11")
+ (usr:lib "m")
+ (usr:lib "c"))
+ (catalog:add-link 'curses
+ (in-vicinity (implementation-vicinity) "crs"
+ link:able-suffix)
+ (usr:lib "ncurses")
+ ;;(usr:lib "curses")
+ ;;(usr:lib "termcap")
+ (usr:lib "c"))
+ (catalog:add-link 'edit-line
+ (in-vicinity (implementation-vicinity) "edline"
+ link:able-suffix)
+ (usr:lib "edit")
+ (usr:lib "termcap")
+ (usr:lib "c"))
+ (catalog:add-link 'regex
+ (in-vicinity (implementation-vicinity) "rgx"
+ link:able-suffix)
+ (usr:lib "c"))
+ (catalog:add-link 'unix
+ (in-vicinity (implementation-vicinity) "unix"
+ link:able-suffix)
+ (in-vicinity (implementation-vicinity) "ioext"
+ link:able-suffix)
+ (usr:lib "c"))
+ (catalog:add-link 'posix
+ (in-vicinity (implementation-vicinity) "posix"
+ link:able-suffix)
+ (usr:lib "c"))
+ (catalog:add-link 'socket
+ (in-vicinity (implementation-vicinity) "socket"
+ link:able-suffix)
+ (usr:lib "c"))
+ (cond ((catalog:add-link 'i/o-extensions
+ (in-vicinity (implementation-vicinity) "ioext"
+ link:able-suffix)
+ (usr:lib "c"))
+ (set! *catalog* (append '((line-i/o . i/o-extensions)
+ (pipe . i/o-extensions))
+ *catalog*))))
+ (cond ((catalog:add-link 'rev2-procedures
+ (in-vicinity (implementation-vicinity) "sc2"
+ link:able-suffix))
+ (set! *catalog* (cons '(rev3-procedures . rev2-procedures)
+ *catalog*))))
+ (catalog:add-link 'record
+ (in-vicinity (implementation-vicinity) "record"
+ link:able-suffix))
+ (catalog:add-link 'generalized-c-arguments
+ (in-vicinity (implementation-vicinity) "gsubr"
+ link:able-suffix))
+ (catalog:add-link 'array-for-each
+ (in-vicinity (implementation-vicinity) "ramap"
+ link:able-suffix))
+ ))