From 4684239efa63dc1b2c1cbe37ef7d3062029f5532 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Mon, 20 Feb 2017 00:05:40 -0800
Subject: Import Upstream version 3b1

---
 chez.init | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

(limited to 'chez.init')

diff --git a/chez.init b/chez.init
index 5047f96..dd923f9 100644
--- a/chez.init
+++ b/chez.init
@@ -28,7 +28,10 @@
 ;;; the directory where any auxillary files to your Scheme
 ;;; implementation reside.
 (define implementation-vicinity
-  (lambda () "/usr/unsup/scheme/chez/"))
+  (let ((impl-path
+	 (or (getenv "CHEZ_IMPLEMENTATION_PATH")
+	     "/usr/unsup/scheme/chez/")))
+    (lambda () impl-path)))
 
 ;;; (library-vicinity) should be defined to be the pathname of the
 ;;; directory where files of Scheme library functions reside.
@@ -95,8 +98,7 @@
 ;@
 (define sub-vicinity
   (case (software-type)
-    ((vms) (lambda
-	       (vic name)
+    ((vms) (lambda (vic name)
 	     (let ((l (string-length vic)))
 	       (if (or (zero? (string-length vic))
 		       (not (char=? #\] (string-ref vic (- l 1)))))
@@ -137,6 +139,7 @@
 					;(SLIB:LOAD-COMPILED "filename")
 	vicinity
 	srfi-59
+	srfi-96
 
 		       ;; Scheme report features
    ;; R5RS-compliant implementations should provide all 9 features.
@@ -180,11 +183,11 @@
 
 			;; Other common features
 
-;;;	srfi				;srfi-0, COND-EXPAND finds all srfi-*
+;;;	srfi-0				;srfi-0, COND-EXPAND finds all srfi-*
 ;;;	sicp				;runs code from Structure and
 					;Interpretation of Computer
 					;Programs by Abelson and Sussman.
-;;;	defmacro			;has Common Lisp DEFMACRO
+	defmacro			;has Common Lisp DEFMACRO
 	record				;has user defined data structures
 	string-port			;has CALL-WITH-INPUT-STRING and
 					;CALL-WITH-OUTPUT-STRING
@@ -374,6 +377,15 @@
 ;;; At this point SLIB:LOAD must be able to load SLIB files.
 (define slib:load slib:load-source)
 
+;;; If your implementation provides R4RS macros:
+(define macro:eval slib:eval)
+;;; macro:load also needs the default suffix.
+(define macro:load slib:load-source)
+
+;;; If your implementation provides syntax-case macros:
+;;(define syncase:eval slib:eval)
+;;(define syncase:load slib:load-source)
+
 ;;; The following make procedures in Chez Scheme compatible with
 ;;; the assumptions of SLIB.
 
@@ -431,11 +443,6 @@
       (close-input-port insp)
       res)))
 
-;;; If your implementation provides R4RS macros:
-(define macro:eval slib:eval)
-;;; macro:load also needs the default suffix.
-(define macro:load slib:load-source)
-
 (define *defmacros*
   (list (cons 'defmacro
 	      (lambda (name parms . body)
@@ -468,7 +475,6 @@
   (require 'defmacroexpand) (apply defmacro:expand* x '()))
 (define (defmacro:load <pathname>)
   (slib:eval-load <pathname> defmacro:eval))
-;; slib:eval-load definition moved to "require.scm"
 
 (define slib:warn
   (lambda args
-- 
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