1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
5 ;;;; Name: clsql-uffi-loader.sql
6 ;;;; Purpose: Library loader using CLSQL UFFI helper library
7 ;;;; Author: Kevin M. Rosenberg
10 ;;;; This file, part of CLSQL, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
12 ;;;; CLSQL users are granted the rights to distribute and use this software
13 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
14 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
15 ;;;; *************************************************************************
17 (in-package #:clsql-uffi)
19 (defun find-and-load-foreign-library (filenames &key module supporting-libraries (errorp t))
20 "Attempt to load a foreign library. This will search for any of the filenames, as
21 well as any of the filenames in any of the clsql:*foreign-library-search-paths*"
22 (setq filenames (if (listp filenames) filenames (list filenames)))
24 (flet ((try-load (testpath)
26 (uffi:load-foreign-library testpath
28 :supporting-libraries supporting-libraries)
29 (error nil)))) ;(c) (warn "~A" c) nil))))
31 (loop for type in (uffi:foreign-library-types)
33 (loop for name in filenames
34 for pn = (make-pathname :name name :type type)
37 (loop for search-path in clsql:*foreign-library-search-paths*
38 thereis (try-load (merge-pathnames pn search-path))))))
40 (error "Couldn't load foreign librar~@P ~{~S~^, ~}. (searched ~S)"
41 (length filenames) filenames
42 'clsql:*foreign-library-search-paths*)))))
44 ;; searches clsql_uffi64 to accomodate both 32-bit and 64-bit libraries on same system
45 (defvar *clsql-uffi-library-filenames*
46 `(,@(when (> most-positive-fixnum (expt 2 32)) (list "clsql_uffi64"))
49 (defvar *clsql-uffi-supporting-libraries* '("c")
50 "Used only by CMU. List of library flags needed to be passed to ld to
51 load the MySQL client library succesfully. If this differs at your site,
52 set to the right path before compiling or loading the system.")
54 (defvar *uffi-library-loaded* nil
55 "T if foreign library was able to be loaded successfully")
57 (defun load-uffi-foreign-library ()
58 (clsql:push-library-path clsql-uffi-system::*clsql-uffi-library-dir*)
59 (find-and-load-foreign-library *clsql-uffi-library-filenames*
62 *clsql-uffi-supporting-libraries*)
63 (setq *uffi-library-loaded* t))
65 (load-uffi-foreign-library)