X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/985b644054f5e0d777184c48bfd8a97e824705fd..c969e831c5977919d3e1c094acc86e194c50d17c:/README

diff --git a/README b/README
index 5b6d9cbc..f498a2f2 100644
--- a/README
+++ b/README
@@ -6,6 +6,11 @@ Makefiles and equivalents. (If you have fetched the source from
 Subversion, you'll have to generate the Makefiles yourself -- see
 below.)
 
+There are various compile-time directives that you can use to
+disable or modify certain features; it may be necessary to do this
+in some environments. They are documented in `Recipe', and in
+comments in many of the generated Makefiles.
+
 For building on Windows:
 
  - windows/Makefile.vc is for command-line builds on MS Visual C++
@@ -13,7 +18,9 @@ For building on Windows:
    -f Makefile.vc' to build all the PuTTY binaries.
 
    Last time we checked, PuTTY built with vanilla VC7, or VC6 with
-   the Platform SDK.
+   an up-to-date Platform SDK. (It is possible to build with
+   vanilla VC6, but you'll have to remove some functionality with
+   directives such as NO_IPV6.)
 
    (We've also had one report of success building with the
    OpenWatcom compiler -- www.openwatcom.org -- using Makefile.vc