From b1ec656841147f67194145f7116e62b91a06289c Mon Sep 17 00:00:00 2001
From: Albert Graef <aggraef@gmail.com>
Date: Sat, 12 Sep 2020 14:16:37 +0200
Subject: [PATCH] Add section with mingw64 build instructions to the README.

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 92b391760..b2cfb4c9d 100644
--- a/README.md
+++ b/README.md
@@ -267,6 +267,14 @@ since it will usually contain spaces, making the build fail.
 8. Look in the top level source directory and double-click the setup file to
    start installing Purr Data on your system.
 
+#### Windows 64-bit Using msys2
+
+The instructions are exactly the same as for the 32 bit build (see above), but the build needs to be done using mingw64 instead of mingw32. That is:
+
+- Install the mingw64 packages for the dependencies. See the i686 packages listed under dependencies above, and replace i686 with x86_64 in the package names when installing.
+
+- Use the MSYS2 MinGW 64-bit shell (rather than the 32-bit shell) to do the build.
+
 ### Code of Conduct
 
 1. No sarcasm, please
-- 
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