Index: trunk/config.auto.h.in
===================================================================
--- trunk/config.auto.h.in	(revision 2515)
+++ trunk/config.auto.h.in	(revision 2516)
@@ -2,12 +2,6 @@
 
 /**** TODO ****/
 
-/* C89 has atexit() */
-#define HAS_ATEXIT 1
-
-/* Define to 1 if you have the `canonicalize_file_name' function. */
-#define HAVE_CANONICALIZE_FILE_NAME 1
-
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #define HAVE_DLFCN_H 1
 
@@ -20,7 +14,6 @@
 /* Define to 1 if you have the `_mkdir' function. */
 /* #undef HAVE__MKDIR */
 
-
 /* Define to 1 if you have the `mkdtemp' function. */
 #define HAVE_MKDTEMP 1
 
@@ -66,6 +59,11 @@
 /* Define if canonicalize_file_name is not declared in system header files. */
 /* #undef NEED_DECLARATION_CANONICALIZE_FILE_NAME */
 
+/****************************************************************************/
+/* Static defines to enable extra features on some systems; once we get
+   testers on those systems, we can remove them and see if scconfig figured
+   everything. */
+
 /* Enable extensions on AIX 3, Interix.  */
 #ifndef _ALL_SOURCE
 # define _ALL_SOURCE 1
@@ -147,7 +145,6 @@
 /* The host "triplet" - it's really a pair now: machine-os */
 #define HOST "@sys/sysid@"
 
-
 /* Directory separator char */
 #define PCB_DIR_SEPARATOR_C '@sys/path_sep@'
 
@@ -158,6 +155,17 @@
 #define PCB_PATH_DELIMETER ":"
 
 /****************************************************************************/
+/* These are static; they are kept "just in case", for further porting */
+
+/* C89 has atexit() */
+#define HAS_ATEXIT 1
+
+/* Define to 1 if you have the `canonicalize_file_name' function.
+   It's a GNU extension, assume we don't have it and fall back to
+   realpath() */
+/* #define HAVE_CANONICALIZE_FILE_NAME 1 */
+
+/****************************************************************************/
 /* Paths */
 
 #define PCB_PREFIX "@/local/prefix@"