Currently I have some WiX projects that build both an x86 and x64 MSI. Many
of our components contain .NET assemblies that target Any CPU so the fact
that the components differ at all is just to properly support Windows
Installer method of managing x86/x64 components based on the target OS.
Now, according what I've found all components installed in a such a fashion,
should have a separate GUID for the x86 vs the x64 component, everything
else is the same so I ended up with a component syntax like this for such
components.
<?if $(var.Platform)="x64" ?>
<?define ComponentName.Guid="PUT-GUID-HERE" ?>
<?else ?>
<?define ComponentName.Guid="PUT-GUID-HERE" ?>
<?endif ?>
<Component Id="C_Component" Guid="$(var.ComponentName.Guid)"
Win64="$(var.Win64)">
<File Id="File.dll"
Name="File.dll"
Source="$(var.Source)File.dll"
KeyPath="yes" />
</Component>
The Platform variable is handled by Votive through the default VS platform
value and the Win64 variables is one I handle in a common include that
checks the value of Platform and sets it to yes/no accordingly. So, two
things...
First, is there a better way to handle the syntax for this currently in WiX
that I'm just missing? I'm using almost as much space with preprocessor
logic just to get the GUID set for both platforms as I am for the component
itself. I realize I could have one if/else block with all my component
GUIDs but I wanted to keep all the information for each component together.
Secondly, it would be really nice if there was just an additional attribute
on the Component node for an x64 GUID and the compiler could use the proper
GUID based on the Win64 attribute value. I'm not sure what the best
implementation would be but it seems like there should be a better way of
handling this scenario in the syntax that doesn't require use of
preprocessor logic. Since there is currently interest on the WiX dev team
to make the syntax more flexible and concise I thought I'd make this
suggestion.
Thanks,
Mike
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