Yes it's expected. The x64 WiX package has only one minor addition compared the
x86 package: it installs targets and tasks to enable WiX to work with 64bit
MSBuild 2.0. For that support, we have to install files to 64bit Program
Files\MSBuild, and there is no way to do that from a 32bit MSI package.
MSBuild 3.5 added a feature that allows us to use the same targets/tasks from
Program Files (x86)\MSBuild in a 64bit MSBuild process. So if you're using
MSBuild 3.5, or if you're not using 64bit MSBuild (and most people aren't these
days even on 64bit Windows), then you don't get any benefit from the WiX x64
MSI package. The regular WiX MSI will work fine.
We've considered building 64bit editions of the WiX toolset binaries, but that
would provide very little benefit. A heat64.exe might be the only exception as
it would be necessary to harvest registry keys from a 64bit COM DLL, but I know
if anybody has even asked for that as not many are doing 64bit COM.
-Jason-
-Original Message-
From: Christopher Painter [mailto:chr...@deploymentengineering.com]
Sent: Sunday, April 12, 2009 8:27 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Wix 32bit vs 64bit
I recently purchased a 64bit laptop so I've loaded 64bit windows on it. As
such, I figured I'd load the 64bit weekly release of WiX figuring it probably
recieves less test exposure then the 32bit package.
I'm curious though, this package still installs to the ProgramFiles (x86)
directory tree. Is this expected?
Thanks,
Chris
Christopher Painter, Author of Deployment Engineering Blog
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