update README

1 files changed, 8 insertions, 9 deletions

diff --git a/win/README b/win/README
index f4cdde4..92cb2c6 100644
--- a/win/README
+++ b/win/README
@@ -42,6 +42,11 @@ In order to compile Tcl for Windows, you need the following:
 	Msys + MinGW-w64 [https://www.mingw-w64.org/]
 	    (win32 or win64)
 
+	or
+
+	LLVM MinGW [https://github.com/mstorsjo/llvm-mingw/]
+	    (win32 or win64, IX86, AMD64 or ARM64)
+
 
 In practice, this release is built with Visual C++ 6.0 and the TEA
 Makefile.
@@ -56,21 +61,15 @@ using it, are in the comments of "makefile.vc".  A quick example would be:
 There is also a Developer Studio workspace and project file, too, if you
 would like to use them.
 
-If you want to Cross-compile with Visual Studio (e.g. for X86 or ARM64
-targets, but running on AMD64), first set up the environment for
-your host machine and compile nmakehlp.exe:
-	C:\tcl_source\win\>nmake -f makefile.vc nmakehlp
-Then go to your cross-compile environment and run the nmake
-command again for whatever you want to build.
-
 If you are building with Linux, Cygwin or Msys, you can use the configure
 script that lives in the win subdirectory. The Linux/Cygwin/Msys based
 configure/build process works just like the UNIX one, so you will want
 to refer to ../unix/README for available configure options.
 
 If you want 64-bit executables (x86_64), you need to configure using
-the --enable-64bit option. Make sure that the x86_64-w64-mingw32
-compiler is present. For Cygwin this compiler can be found in the
+the --enable-64bit (or --enable-64bit=arm64) option. Make sure that
+the x86_64-w64-mingw32 (or aarch64-w64-mingw32) compiler is present.
+For Cygwin the x86_64 compiler can be found in the
 "mingw64-x86_64-gcc-core" package, which can be installed through
 the normal Cygwin install process. If you only want 32-bit executables,
 the "mingw64-i686-gcc-core" package is what you need. For Linux, Darwin