!Simulate the autotools bootstrap of the follow-x-forwarded-for patchset.
!
!Beware that all line number informations in configure.log greater
!than 2972 are offset by at least -29 (correcting all line numbers would have
!bloated the patch by 92kB!)
--- include/autoconf.h.in.orig	Sat Jan 18 02:46:11 2003
+++ include/autoconf.h.in	Thu Jun 24 13:19:07 2004
@@ -291,6 +291,12 @@
 #define USE_IDENT 1
 
 /*
+ * Compile in support for following X-Forwarded-For headers?
+ * Enabled by default.
+ */
+#define FOLLOW_X_FORWARDED_FOR 1
+
+/*
  * If your system has statvfs(), and if it actually works!
  */
 #undef HAVE_STATVFS
--- configure.orig	Tue Mar  2 10:18:14 2004
+++ configure	Tue Mar  2 10:18:56 2004
@@ -222,6 +222,12 @@
                           variance within an accelerator setup.
                           Typically used together with other code
                           that adds custom HTTP headers to the requests."
+ac_help="$ac_help
+  --enable-follow-x-forwarded-for
+                          Enable support for following the X-Forwarded-For
+                          HTTP header to try to find the IP address of the
+                          original or indirect client when a request has
+                          been forwarded through other proxies."
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -2966,6 +2972,29 @@
 fi
 
 
+follow_xff=1
+# Check whether --enable-follow-x-forwarded-for or --disable-follow-x-forwarded-for was given.
+if test "${enable_follow_x_forwarded_for+set}" = set; then
+  enableval="$enable_follow_x_forwarded_for"
+   if test "$enableval" = "yes" ; then
+    echo "follow X-Forwarded-For enabled"
+    follow_xff=1
+  fi
+
+fi
+
+if test $follow_xff = 1; then
+    cat >> confdefs.h <<\EOF
+#define FOLLOW_X_FORWARDED_FOR 1
+EOF
+
+else
+    cat >> confdefs.h <<\EOF
+#define FOLLOW_X_FORWARDED_FOR 0
+EOF
+
+fi
+
 # Force some compilers to use ANSI features
 #
 case "$host" in