Re: loading config.site when $prefix contains IFS characters

[Paul Eggert]

Thanks.  It's odd that it would work differently for you than for me.

I installed into Autoconf the following slightly revamped version of
that patch:

2005-07-03  Alexandre Duret-Lutz  <address@hidden>

        * lib/autoconf/general.m4 (AC_SITE_LOAD): Rewrite the
        for loop over config.site files using `set', to allow
        directory names containing IFS characters.

--- lib/autoconf/general.m4     1 Jul 2005 22:20:56 -0000       1.872
+++ lib/autoconf/general.m4     4 Jul 2005 05:19:19 -0000
@@ -1738,14 +1738,17 @@ AU_DEFUN([AC_VALIDATE_CACHED_SYSTEM_TUPL
 # Look for site or system specific initialization scripts.
 m4_define([AC_SITE_LOAD],
 [# Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
-  if test "x$prefix" != xNONE; then
-    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-  else
-    CONFIG_SITE="$ac_default_prefix/share/config.site 
$ac_default_prefix/etc/config.site"
-  fi
+if test -n "$CONFIG_SITE"; then
+  set x "$CONFIG_SITE"
+elif test "x$prefix" != xNONE; then
+  set x "$prefix/share/config.site" "$prefix/etc/config.site"
+else
+  set x "$ac_default_prefix/share/config.site" \
+       "$ac_default_prefix/etc/config.site"
 fi
-for ac_site_file in $CONFIG_SITE; do
+shift
+for ac_site_file
+do
   if test -r "$ac_site_file"; then
     AC_MSG_NOTICE([loading site script $ac_site_file])
     sed 's/^/| /' "$ac_site_file" >&AS_MESSAGE_LOG_FD