From 9fe067cb7d0f4ec8efab849f111555dd54efebf7 Mon Sep 17 00:00:00 2001
From: dkf <donal.k.fellows@manchester.ac.uk>
Date: Thu, 11 Dec 2008 14:45:22 +0000
Subject: start of zlib support for windows

---
 win/configure.in | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/win/configure.in b/win/configure.in
index 7437dc4..c3a760f 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -3,7 +3,7 @@
 # generate the file "configure", which is run during Tcl installation
 # to configure the system for the local environment.
 #
-# RCS: @(#) $Id: configure.in,v 1.109 2008/10/14 20:08:21 dgp Exp $
+# RCS: @(#) $Id: configure.in,v 1.110 2008/12/11 14:45:22 dkf Exp $
 
 AC_INIT(../generic/tcl.h)
 AC_PREREQ(2.59)
@@ -336,6 +336,22 @@ SC_TCL_CFG_ENCODING
 
 SC_ENABLE_SHARED
 
+#------------------------------------------------------------------------
+#	Add stuff for zlib
+#------------------------------------------------------------------------
+
+zlib_ok=yes
+AC_CHECK_HEADER([zlib.h],[],[
+    zlib_ok=no
+    echo TODO: Add -I$srcdir/compat/zlib/include to compile lines...
+])
+AC_SEARCH_LIBS([adler32],[z],[],[
+    zlib_ok=no
+])
+if test $zlib_ok = yes; then
+    AC_DEFINE(HAVE_ZLIB, 1, [Is there an installed zlib?])
+fi
+
 #--------------------------------------------------------------------
 # The statements below define a collection of compile flags.  This 
 # macro depends on the value of SHARED_BUILD, and should be called
-- 
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