From c2a03a89e2d0ec9cead3073c4e060d9bef8d244e Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Fri, 17 Jan 2020 16:32:19 -0600
Subject: [PATCH] README.txt:  Add some good advice about paths.

---
 README.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.txt b/README.txt
index 627df0a143b4c..50ac6c74e522a 100644
--- a/README.txt
+++ b/README.txt
@@ -1556,6 +1556,13 @@ Installing GNUWin32
 
     set PATH=C:\gnuwin32\bin;%PATH%
 
+  WARNING:  Make sure you have C:\MinGW\bin in your path before any other
+  directory that contains libiconv-2.dll. Apparently the as.exe in some
+  MinGW distributions are dependent on that DLL, and having an old
+  version of it in the path somewhere (for example GnuWin32 tools) will
+  cause as.exe to pick up the older version that doesn't have the entry
+  point it's looking for.
+
 CYGWIN BUILD PROBLEMS
 ^^^^^^^^^^^^^^^^^^^^^