X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-pathname.lisp;fp=src%2Fcode%2Ftarget-pathname.lisp;h=b791566bd8ce2aa153b9ae3ce52516229a6f275b;hb=1a61f069111cb6f7263852b73eea1bd8cda9ef68;hp=ff023ee7cc604f7862979d41d70af838483964df;hpb=e072a8570d0fc3513ec7639b9c1c5d3b03e2695e;p=sbcl.git

diff --git a/src/code/target-pathname.lisp b/src/code/target-pathname.lisp
index ff023ee..b791566 100644
--- a/src/code/target-pathname.lisp
+++ b/src/code/target-pathname.lisp
@@ -1767,3 +1767,29 @@ experimental and subject to change."
           `(("SYS:SRC;**;*.*.*" ,src)
             ("SYS:CONTRIB;**;*.*.*" ,contrib)
             ("SYS:OUTPUT;**;*.*.*" ,output)))))
+
+(defun set-sbcl-source-location (pathname)
+  "Initialize the SYS logical host based on PATHNAME, which should be
+the top-level directory of the SBCL sources. This will replace any
+existing translations for \"SYS:SRC;\", \"SYS:CONTRIB;\", and
+\"SYS:OUTPUT;\". Other \"SYS:\" translations are preserved."
+  (let ((truename (truename pathname))
+        (current-translations
+         (remove-if (lambda (translation)
+                      (or (pathname-match-p "SYS:SRC;" translation)
+                          (pathname-match-p "SYS:CONTRIB;" translation)
+                          (pathname-match-p "SYS:OUTPUT;" translation)))
+                    (logical-pathname-translations "SYS")
+                    :key #'first)))
+    (flet ((physical-target (component)
+             (merge-pathnames
+              (make-pathname :directory (list :relative component
+                                              :wild-inferiors)
+                             :name :wild
+                             :type :wild)
+              truename)))
+      (setf (logical-pathname-translations "SYS")
+            `(("SYS:SRC;**;*.*.*" ,(physical-target "src"))
+              ("SYS:CONTRIB;**;*.*.*" ,(physical-target "contrib"))
+              ("SYS:OUTPUT;**;*.*.*" ,(physical-target "output"))
+              ,@current-translations)))))