Re: Target Framework net-3.5 Configuration

I use the latest nightly and it works ok. But, I explicity let the targetframework property in the scripts.

I also use the msbuild task rather then the csc task.. but I assume it uses the same mechanism to determine which to use.

BOb


From: Christopher Brandt [mailto:[email protected]]
Sent: Thursday, March 25, 2010 6:14 PM
To: [email protected]
Subject: [NAnt-users] Target Framework net-3.5 Configuration

This is related to my previous post on Windows 7 & VS2008.

After some help I realized that the target framework on my desktop was .Net 3.5 whereas on my build server (Windows 2003 Server) it was .Net 2.0. The was causing some problems between the two environment in how csc.exe was importing includes. The build server required our files to explicitly specify the paths to the .Net 3.5 dlls, but on my desktop it choked on build files with explicit paths (error was that the libraries had already been imported).

The difference between the target frameworks, terms of how NAnt functions, is specified in the NAnt.exe.config file. The configuration for each target framework is specified with the reference assemblies to load. That is why in one environment they are loaded by NAnt and in the other our build file had to specify where to get them from.

The root of my problem then was why my build server was still targeting the net-2.0 framework rather than 3.5. We've had .Net 3.5 installed on that server for well over a year (has it been out that long?). NAnt attempts to determine the highest available framework as the default. In our case the best it could find was 2.0. The reason is in the configuration for the net-3.5 framework. The <project> element in the config file lists the places where NAnt attempts to look for clues to see what frameworks are available. We are running 0.86 on the build server and it's config file specifies that it should look for a registry key:

SOFTWARE\Microsoft\Microsoft SDKs\Windows\v6.0A\WinSDKNetFxTools\InstallationFolder

However on our build server the key is in:

SOFTWARE\Microsoft\Microsoft SDKs\Windows\v6.0\WinSDKNetFxTools\InstallationFolder

v6.0 not v6.0A

I see that the configuration in NAnt 0.9 has v6.0A, v6.1, v7.0. And my desktop does have v6.0A.

So a simple modification to the NAnt.exe.config to add a <readregistry> element for v6.0, fix our problem.

I would guess that we're not alone with this wonky SDK version. So someone should probably add the the following to at least the configuration for the 0.9 build:

                        <readregistry
                            property="sdkInstallRoot"
                            key="SOFTWARE\Microsoft\Microsoft SDKs\Windows\v6.0\WinSDKNetFxTools\InstallationFolder"
                            hive="LocalMachine"
                            failonerror="false" />

---
Chris Brandt

Continuous improvement is better than delayed perfection. - Mark Twain

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