X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/profile/blobdiff_plain/6a8c807005db0dbb885cdc1f91c62897fff361e2..77a15cda3eb6846cbcc535f60f19f5e0a0051508:/dot/lisp-init.lisp

diff --git a/dot/lisp-init.lisp b/dot/lisp-init.lisp
index 0447d1e..91971ca 100644
--- a/dot/lisp-init.lisp
+++ b/dot/lisp-init.lisp
@@ -34,6 +34,9 @@ (let ((old-output *standard-output*)
 #+ccl
 (setf ccl::*inhibit-greeting* t)
 
+#+abcl
+(setf ext:*warn-on-redefinition* nil)
+
 ;; Obtain ASDF from somewhere.
 (require "asdf")
 
@@ -45,7 +48,27 @@ (setf ccl:*quit-on-eof* t)
 
 ;; Tell SBCL where to find its source source.
 #+sbcl
-(sb-ext:set-sbcl-source-location #p"/usr/share/sbcl-source/")
+(let ((srcdir #p"/usr/share/sbcl-source/"))
+  (when (probe-file srcdir)
+    (sb-ext:set-sbcl-source-location srcdir)))
+
+;; Get SBCL to shut up about package variance.  This is a standard result of
+;; my approach to symbol exports, and I don't care.
+#+sbcl
+(progn
+  (unless (fboundp 'real-note-package-variance)
+    (setf (symbol-function 'real-note-package-variance)
+	    (symbol-function 'sb-impl::note-package-variance)))
+  (handler-bind ((sb-ext:package-lock-violation #'continue)
+		 (sb-kernel:redefinition-warning #'muffle-warning))
+    (defun sb-impl::note-package-variance
+	(&rest args &key package &allow-other-keys)
+      (let ((ignore (getf sb-ext:*on-package-variance* :ignore)))
+	(unless (or (eq ignore t)
+		    (and (listp ignore)
+			 (member (package-name package) ignore)))
+	  (apply #'real-note-package-variance args)))))
+  (setf sb-ext:*on-package-variance* '(:ignore t)))
 
 ;; Tell some Lisps about my home directory.  CMU CL already has a search list
 ;; which does the same job, and CCL sets up a logical-pathname host.
@@ -105,7 +128,10 @@ (set-dispatch-macro-character
    (declare (ignore char arg))
    (values (read-line stream))))
 
-;; Start up swank.
+;; Use double-precision by default.
+(setf *read-default-float-format* 'double-float)
+
+;; Start up Swank.
 (export 'crank-swank)
 (defun crank-swank (&rest args)
   (let ((swank (find-package "SWANK")))