r7061: initial property settings

[clsql.git] / db-mysql / mysql-loader.lisp

diff --git a/db-mysql/mysql-loader.lisp b/db-mysql/mysql-loader.lisp
index b0c9c14dd517f6cf12f90744d884aff482228521..1dc903daf1963e51aca9172fee33264531174ff4 100644 (file)
--- a/db-mysql/mysql-loader.lisp
+++ b/db-mysql/mysql-loader.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmers:   Kevin M. Rosenberg
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: mysql-loader.lisp,v 1.1 2002/09/30 10:19:23 kevin Exp $
+;;;; $Id$
 ;;;;
 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -25,34 +25,32 @@
 ;;;;      -- prevent library from being loaded multiple times
 ;;;;      -- support Allegro CL and Lispworks
 
-(defvar *clsql-mysql-library-filename* 
+(defparameter *clsql-mysql-library-path* 
   (uffi:find-foreign-library
    "clsql-mysql"
-   `("/usr/lib/clsql/"
-     "/opt/lisp/clsql/db-mysql/"
+   `(,(make-pathname :directory (pathname-directory *load-truename*))
+     "/usr/lib/clsql/"
+     "/sw/lib/clsql/"
      "/home/kevin/debian/src/clsql/db-mysql/")
-   :drive-letters '("C" "D" "E" "F" "G")))
-  
-(defvar *mysql-library-filename*
-    (cond
-     ((probe-file "/opt/mysql/lib/mysql/libmysqlclient.so")
-      "/opt/mysql/lib/mysql/libmysqlclient.so")
-     ((probe-file "/usr/local/lib/libmysqlclient.so")
-      "/usr/local/lib/libmysqlclient.so")
-     ((probe-file "/usr/lib/libmysqlclient.so")
-      "/usr/lib/libmysqlclient.so")
-     #+(or win32 mswindows) 
-     ((probe-file "c:/mysql/lib/opt/libmysql.dll")
-      "c:/mysql/lib/opt/libmysql.dll")
-     (t
-      (warn "Can't find MySQL client library to load.")))
-  "Location where the MySQL client library is to be found.")
+   :drive-letters '("C")))
 
+(defparameter *libz-library-path* 
+  (uffi:find-foreign-library
+   '("libz" "zlib")
+   `(,(make-pathname :directory (pathname-directory *load-truename*))
+      "/usr/lib/"
+      "/sw/lib/"
+      "/usr/local/lib/"
+      "/home/kevin/debian/src/clsql/db-mysql/"
+      "/mysql/lib/opt/")
+   :drive-letters '("C")))
+  
 (defvar *mysql-library-candidate-names*
     '("libmysqlclient" "libmysql"))
 
-(defvar *mysql-library-candidate-directories*
-    '("/opt/mysql/lib/mysql/" "/usr/local/lib/" "/usr/lib/" "/mysql/lib/opt/"))
+(defparameter *mysql-library-candidate-directories*
+    `(,(pathname-directory *load-pathname*)
+      "/opt/mysql/lib/mysql/" "/usr/local/lib/" "/usr/lib/" "/usr/local/lib/mysql/" "/usr/lib/mysql/" "/mysql/lib/opt/" "/sw/lib/mysql/"))
 
 (defvar *mysql-library-candidate-drive-letters* '("C" "D" "E"))
 
@@ -73,22 +71,18 @@ set to the right path before compiling or loading the system.")
                                    *mysql-library-candidate-directories*
                                    :drive-letters
                                    *mysql-library-candidate-drive-letters*)))
-    ;; zlib required to load mysql on CMUCL Solaris
-    (uffi:load-foreign-library 
-     (uffi:find-foreign-library '("libz" "zlib")
-                               '("/usr/lib/" "/usr/local/" "/lib/")))
-    (if        (and
-        (uffi:load-foreign-library mysql-path
-                                   :module "mysql" 
-                                   :supporting-libraries 
-                                   *mysql-supporting-libraries*)
-        (uffi:load-foreign-library *clsql-mysql-library-filename* 
-                                   :module "clsql-mysql" 
-                                   :supporting-libraries 
-                                   (append *mysql-supporting-libraries*)))
-       (setq *mysql-library-loaded* t)
-      (warn "Unable to load MySQL client library ~A or CLSQL-MySQL library ~A"
-           mysql-path *clsql-mysql-library-filename*))))
+    (unless (probe-file mysql-path)
+      (error "Can't find mysql client library to load"))
+    (uffi:load-foreign-library *libz-library-path*) 
+    (uffi:load-foreign-library mysql-path
+                              :module "mysql" 
+                              :supporting-libraries 
+                              *mysql-supporting-libraries*)
+    (uffi:load-foreign-library *clsql-mysql-library-path* 
+                              :module "clsql-mysql" 
+                              :supporting-libraries 
+                              (append *mysql-supporting-libraries*)))
+  (setq *mysql-library-loaded* t))
 
 
 (clsql-base-sys:database-type-load-foreign :mysql)