--- ruby-zoom-0.4.1/src/extconf.rb~	2012-11-08 00:52:45.089978094 +0000
+++ ruby-zoom-0.4.1/src/extconf.rb	2012-11-08 00:53:57.931624837 +0000
@@ -2,12 +2,12 @@
 
 unless system('yaz-config')
   $stderr.puts 'yaz does not appear to be installed'
-  break
+  exit 1
 end
 
 unless have_header('yaz/zoom.h')
   $stderr.puts 'yaz zoom header not available'
-  break
+  exit 1
 end
 
 $CFLAGS << " #{`yaz-config --cflags`} "
--- ruby-zoom-0.4.1/src/rbzoomoptions.c~	2012-11-08 00:55:15.903380693 +0000
+++ ruby-zoom-0.4.1/src/rbzoomoptions.c	2012-11-08 00:57:07.645896311 +0000
@@ -32,10 +32,10 @@
     options = ZOOM_options_create ();
     
     ary = rb_funcall (hash, rb_intern ("to_a"), 0);
-    for (i = 0; i < RARRAY (ary)->len; i++) {
-        pair = RARRAY (ary)->ptr[i];
-        key = RARRAY (pair)->ptr[0];
-        value = RARRAY (pair)->ptr[1];
+    for (i = 0; i < RARRAY_LEN (ary); i++) {
+        pair = RARRAY_PTR (ary)[i];
+        key = RARRAY_PTR (pair)[0];
+        value = RARRAY_PTR (pair)[1];
         
         switch (TYPE (value)) {
             case T_TRUE:
--- ruby-zoom-0.4.1/src/rbzoom.h~	2012-11-08 00:58:36.737911788 +0000
+++ ruby-zoom-0.4.1/src/rbzoom.h	2012-11-08 01:04:38.056060063 +0000
@@ -53,7 +53,7 @@
         
 /* useful macros */
 #if !defined (RVAL2CSTR)
-# define RVAL2CSTR(x)       (NIL_P (x) ? NULL : STR2CSTR(x))
+# define RVAL2CSTR(x)       (NIL_P (x) ? NULL : RSTRING_PTR(x))
 #endif
 #if !defined (CSTR2RVAL)
 # define CSTR2RVAL(x)       (x == NULL ? Qnil : rb_str_new2(x))