X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/f2b5b118faa5b7c18a3dbb9a93a65947e84fbde4..5fe4b66c0862337fab0c61a29a81c28bd4370e39:/tools/config.lisp

diff --git a/tools/config.lisp b/tools/config.lisp
index 432c906..472d02a 100644
--- a/tools/config.lisp
+++ b/tools/config.lisp
@@ -122,9 +122,9 @@ (defun pkg-libdir (package)
 
 (defun |#?-reader| (stream subchar arg)
   (declare (ignore subchar arg))
-  (let ((not-p (when (char= (peek-char nil stream) #\-)
-		 (read-char stream)))
-	(conditional (read stream t nil t)))
+  (let* ((not-p (when (char= (peek-char nil stream) #\-)
+		  (read-char stream)))
+	 (conditional (read stream t nil t)))
     (cond
      (*read-suppress* (read stream t nil t))
      ((not *read-eval*)
@@ -147,7 +147,10 @@   (defun sbcl-version ()
     (values-list
      (loop
       repeat 4
-      for part in (split-string (lisp-implementation-version) :delimiter #\.)
+      ;; We use . and - as delimiters because some Linux
+      ;; distributions tend to patch SBCL and add a distro-specific
+      ;; version tag (like 1.0.19-gentoo).
+      for part in (split-string (lisp-implementation-version) :delimiter '(#\. #\-))
       while (every #'digit-char-p part)
       collect (parse-integer part))))
   (defun sbcl>= (major minor micro &optional patch)