(in-package :asdf)
-(export 'load-dso)
-
-(defun concatenate-strings (strings &optional delimiter)
- (if (not (rest strings))
- (first strings)
- (concatenate
- 'string
- (first strings)
- (if delimiter (string delimiter) "")
- (concatenate-strings (rest strings) delimiter))))
-
-;;; The following code is more or less copied frm sb-bsd-sockets.asd,
-;;; but extended to allow flags to be set in a general way
-
-(defclass unix-dso (module) ())
-(defun unix-name (pathname)
+(eval-when (:load-toplevel :compile-toplevel :execute)
+ ;; ASDF defines featurep, which we don't want to clobber. As such, shadow it
+ ;; here and then reference it with a pkg-config: prefix below.
+ (shadow :featurep)
+ (use-package :pkg-config))
+
+(export '(*search-library-path-on-reload* *dso-extension*
+ *operation* *system* *component* library shared-object
+ install-init-hook))
+
+(defvar *dso-extension*
+ #-(or darwin win32)"so" #+darwin"dylib" #+win32"dll")
+
+(defvar *search-library-path-on-reload* t)
+
+
+;;; Since Common Lisp implementations doesn't seem to agree on how to
+;;; run init hooks, we have to add our own compatibility layer.
+
+(defvar *init-hooks* ())
+
+(defun install-init-hook (func &optional (only-once t))
+ (if only-once
+ (pushnew func *init-hooks*)
+ (push func *init-hooks*)))
+
+(defun run-init-hooks ()
+ (mapcar #'funcall (reverse *init-hooks*)))
+
+(pushnew 'run-init-hooks
+ #+cmu ext:*after-save-initializations*
+ #+sbcl sb-ext:*init-hooks*
+ #+clisp custom:*init-hooks*)
+
+(defvar *reload-shared-objects* ()
+ "List of shared objects which should be reloaded from library search
+ path in saved images.")
+
+#?-(sbcl>= 1 0 22)
+(defvar *dont-save-shared-objects* ()
+ "List of shared objects which should not be saved in images.")
+
+(defun namestring-name (namestring)
+ (let ((pos (position #\/ namestring :from-end t)))
+ (if pos
+ (subseq namestring (1+ pos))
+ namestring)))
+
+(defun load-shared-object (pathname &optional dont-save-p (reload-p dont-save-p))
+ (let* ((namestring (ensure-namestring pathname)))
+ #?(sbcl< 1 0 22)(sb-alien:load-shared-object namestring)
+ #?(sbcl>= 1 0 22)
+ (sb-alien:load-shared-object namestring :dont-save dont-save-p)
+ #+cmu(ext:load-foreign namestring)
+ #?(clisp< 2 45)(ffi::foreign-library namestring)
+ #?(clisp>= 2 45)(ffi:open-foreign-library namestring)
+ (when dont-save-p
+ #?-(sbcl>= 1 0 22)
+ (pushnew namestring *dont-save-shared-objects* :test #'string=)
+ (when reload-p
+ (pushnew (namestring-name namestring)
+ *reload-shared-objects* :test #'string=)))))
+
+#?(or (sbcl< 1 0 22) (pkg-config:featurep :cmu))
+(progn
+ (defun remove-shared-objects ()
+ (dolist (namestring *dont-save-shared-objects*)
+ #+sbcl
+ (setf sb-alien::*shared-objects*
+ (remove namestring sb-alien::*shared-objects*
+ :key #'sb-alien::shared-object-file
+ :test #'string=))
+ #+cmu
+ (setf system::*global-table*
+ (remove namestring system::*global-table*
+ :key #'cdr :test #'string=))))
+ (pushnew 'remove-shared-objects
+ #+sbcl sb-ext:*save-hooks*
+ #+cmu ext:*before-save-initializations*))
+
+(defun reload-shared-objects ()
+ (handler-bind (#+sbcl (style-warning #'muffle-warning))
+ (dolist (namestring (reverse *reload-shared-objects*))
+ (load-shared-object namestring))))
+
+(install-init-hook 'reload-shared-objects)
+
+
+
+;;; The following code is more or less copied from sb-bsd-sockets.asd,
+;;; but extended to allow flags to be set in a general way. The class
+;;; has been renamed from unix-dso to shared-object as this code is no
+;;; longer specific to unix
+
+(defclass shared-object (module)
+ ((ldflags :initform nil :initarg :ldflags)
+ (search :initform *search-library-path-on-reload* :initarg :search
+ :reader search-library-path-on-reload)))
+
+(defun ensure-namestring (pathname)
(namestring
(typecase pathname
(logical-pathname (translate-logical-pathname pathname))
(t pathname))))
-(defmethod input-files ((operation compile-op) (dso unix-dso))
+(defmethod input-files ((operation compile-op) (dso shared-object))
(mapcar #'component-pathname (module-components dso)))
-(defmethod output-files ((operation compile-op) (dso unix-dso))
+(defmethod output-files ((operation compile-op) (dso shared-object))
(let ((dir (component-pathname dso)))
(list
- (make-pathname :type "so"
- :name (car (last (pathname-directory dir)))
+ (make-pathname :type *dso-extension*
+ :name (component-name dso)
:directory (butlast (pathname-directory dir))
:defaults dir))))
-
-(defmethod perform :after ((operation compile-op) (dso unix-dso))
- (let ((dso-name (unix-name (car (output-files operation dso)))))
+(defmethod perform :after ((operation compile-op) (dso shared-object))
+ (let ((output (first (output-files operation dso)))
+ (inputs (mapcar #'ensure-namestring
+ (mapcan #'(lambda (c)
+ (output-files operation c))
+ (module-components dso)))))
(unless (zerop
- (run-shell-command
- "gcc ~A -o ~S ~{~S ~}"
- (concatenate 'string
-;; (sb-ext:posix-getenv "EXTRA_LDFLAGS")
-;; " "
- #+sunos "-shared -lresolv -lsocket -lnsl"
- #+darwin "-bundle"
- #-(or darwin sunos) "-shared")
- dso-name
- (mapcar #'unix-name
- (mapcan (lambda (c)
- (output-files operation c))
- (module-components dso)))))
+ (run-shell-command "gcc ~A -o ~S ~{~S~^ ~} ~{~A~^ ~}"
+ #-(or darwin win32)"-shared"
+ #+darwin "-bundle"
+ #+win32
+ (format nil "-shared -Wl,--out-implib,~S"
+ (ensure-namestring
+ (make-pathname
+ :type "a"
+ :name (format nil "lib~Adll" (pathname-name output))
+ :defaults output)))
+ (ensure-namestring output)
+ inputs
+ (slot-value dso 'ldflags)))
(error 'operation-error :operation operation :component dso))))
-
-(defun load-dso (filename)
- #+sbcl(sb-alien:load-shared-object filename)
- #+cmu(ext:load-foreign filename))
-
-
-(defmethod perform ((o load-op) (c unix-dso))
+(defmethod perform ((o load-op) (dso shared-object))
(let ((co (make-instance 'compile-op)))
- (let ((filename (car (output-files co c))))
- (load-dso filename))))
+ (let ((pathname (car (output-files co dso))))
+ (load-shared-object pathname (search-library-path-on-reload dso)))))
(defmethod output-files ((op compile-op) (c c-source-file))
(list (make-pathname :type "o" :defaults (component-pathname c))))
+(defmethod component-pathname ((c c-source-file))
+ (make-pathname :type "c" :name (component-name c)
+ :directory (pathname-directory (call-next-method))))
(defmethod perform ((op compile-op) (c c-source-file))
(unless
- (= 0 (run-shell-command "gcc ~A -o ~S -c ~S"
- (concatenate-strings
- (append
- (list "-fPIC")
- (when (slot-value c 'optimization)
- (list (format nil "-O~A" (slot-value c 'optimization))))
- (loop
- for symbol in (slot-value c 'definitions)
- collect (format nil "-D~A" symbol))
- (loop
- for path in (slot-value c 'include-paths)
- collect (format nil "-I~A" path))
- (slot-value c 'cflags))
- #\sp)
- (unix-name (car (output-files op c)))
- (unix-name (component-pathname c))))
+ (= 0 (run-shell-command "gcc -Wall ~A~{ ~A~} -o ~S -c ~S"
+ #-win32 "-fPIC"
+ #+win32 "-DBUILD_DLL"
+ (nconc
+ (when (slot-value c 'optimization)
+ (list (format nil "-O~A" (slot-value c 'optimization))))
+ (loop
+ for symbol in (slot-value c 'definitions)
+ collect (format nil "-D~A" symbol))
+ (loop
+ for path in (slot-value c 'include-paths)
+ collect (format nil "-I~A" path))
+ (slot-value c 'cflags))
+ (ensure-namestring (first (output-files op c)))
+ (ensure-namestring (component-pathname c))))
(error 'operation-error :operation op :component c)))
;;; Shared libraries
(defclass library (component)
- ((libdir :initarg :libdir)))
+ ((libdir :initarg :libdir :initform nil)
+ (libname :initarg :libname :initform nil)
+ (search :initform *search-library-path-on-reload* :initarg :search
+ :reader search-library-path-on-reload)))
+
+
+(defun split-path (path)
+ (when path
+ (labels ((split (path)
+ (unless (zerop (length path))
+ (let ((slash (position #\/ path)))
+ (if slash
+ (cons (subseq path 0 slash) (split (subseq path (1+ slash))))
+ (list path))))))
+ (if (and (not (zerop (length path))) (char= (char path 0) #\/))
+ (cons :absolute (split (subseq path 1)))
+ (cons :relative (split path))))))
+
+(defmethod component-pathname ((lib library))
+ (or
+ (when (slot-value lib 'libname)
+ (let ((filename (format nil "~A~A" (namestring (make-pathname :directory (split-path (slot-value lib 'libdir)))) (slot-value lib 'libname))))
+ (when (probe-file filename)
+ (pathname filename))))
+
+ (make-pathname
+ :type *dso-extension*
+ :name (or (slot-value lib 'libname) (component-name lib))
+ :directory (split-path (slot-value lib 'libdir)))))
+
+
+(defvar *loaded-libraries* ())
+
+(defmethod perform ((o load-op) (lib library))
+ (load-shared-object (component-pathname lib)
+ (search-library-path-on-reload lib))
+ (pushnew lib *loaded-libraries*))
+
+(defmethod perform ((operation operation) (lib library))
+ nil)
-(defun relative-pathname (path)
- (etypecase path
- (cons path)
- (string (if (char= #\/ (char path 0))
- (subseq path 1)
- path))))
+(defmethod operation-done-p ((o load-op) (lib library))
+ (find lib *loaded-libraries*))
-(defmethod component-pathname ((lib library))
- (make-pathname :type "so"
- :name (component-name lib)
- :directory (relative-pathname (slot-value lib 'libdir))))
+(defmethod operation-done-p ((o operation) (lib library))
+ t)
-(defmethod perform ((o load-op) (c library))
- (load-dso (component-pathname c)))
-(defmethod perform ((operation operation) (c library))
- nil)
+;;; Binding of dynamic variables during perform
-(defmethod operation-done-p ((o load-op) (c library))
- #+sbcl(find (sb-ext::unix-namestring (component-pathname c)) sb-alien::*shared-objects* :key #'sb-alien::shared-object-file :test #'equal)
- #+cmu(rassoc (unix::unix-namestring (component-pathname c))
- system::*global-table*
- :key #'(lambda (pathname)
- (when pathname (unix::unix-namestring pathname)))
- :test #'equal))
+(defvar *operation* nil)
+(defvar *system* nil)
+(defvar *component* nil)
-(defmethod operation-done-p ((o operation) (c library))
- t)
+(defmethod perform :around ((operation operation) (c component))
+ (let ((*operation* operation)
+ (*component* c)
+ (*system* (component-system c)))
+ (call-next-method)))
~mdw / clg / blobdiff