+
+;;; we also have a shared library with some .o files in it
+;;;
+;;; FIXME: we share this with SB-BSD-SOCKETS. This should either (a)
+;;; be part of ASDF itself, or (b) be in a shared file that we can
+;;; LOAD at this point.
+(defclass unix-dso (module) ())
+(defun unix-name (pathname)
+ (namestring
+ (typecase pathname
+ (logical-pathname (translate-logical-pathname pathname))
+ (t pathname))))
+
+(defmethod asdf::input-files ((operation compile-op) (dso unix-dso))
+ (mapcar #'component-pathname (module-components dso)))
+
+(defmethod output-files ((operation compile-op) (dso unix-dso))
+ (let ((dir (component-pathname dso)))
+ (list
+ (make-pathname :type "so"
+ :name (car (last (pathname-directory dir)))
+ :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)))))
+ (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)))))
+ (error 'operation-error :operation operation :component dso))))
+
+;;; if this goes into the standard asdf, it could reasonably be extended
+;;; to allow cflags to be set somehow
+(defmethod output-files ((op compile-op) (c c-source-file))
+ (list
+ (make-pathname :type "o" :defaults
+ (component-pathname c))))
+(defmethod perform ((op compile-op) (c c-source-file))
+ (unless
+ (= 0 (run-shell-command "gcc ~A -o ~S -c ~S"
+ (concatenate
+ 'string
+ (sb-ext:posix-getenv "EXTRA_CFLAGS")
+ " "
+ "-fPIC")
+ (unix-name (car (output-files op c)))
+ (unix-name (component-pathname c))))
+ (error 'operation-error :operation op :component c)))
+
+(defmethod perform ((operation load-op) (c c-source-file))
+ t)
+
+(defmethod perform ((o load-op) (c unix-dso))
+ (let ((co (make-instance 'compile-op)))
+ (let ((filename (car (output-files co c))))
+ #+cmu (ext:load-foreign filename)
+ #+sbcl (sb-alien:load-shared-object filename))))
+