How to build 64Bit Toolkit DLL

[msteffke]

Hi group,
I need to convert all my dlls to 64 bit. They need to be WF3
compatable.

From what I understand I need to use SDK 2003. Is this really a free
download? Are there sample mak files for 64?

Also, my development workstation is 32 bit. Can I build a 64 bit app on
it?

Thanks ,
Mark Steffke

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[gchampoux]

Yes, you need the 64-bit SDK, which is indeed free.
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=24826
or http://www.microsoft.com/download/en/details.aspx?id=22668 (install from web)

No, you cannot build the 64-bit dll on a 32-bit PC.
The above SDK must be instaleld and compile & link on a 64-bit PC with 64-bit Windows OS.

Compiling and linking are nearly identical.
See my attached makefiles.

Gerry

In Reply to Mark Steffke:

Hi group,
I need to convert all my dlls to 64 bit. They need to be WF3
compatable.

From what I understand I need to use SDK 2003. Is this really a free
download? Are there sample mak files for 64?

Also, my development workstation is 32 bit. Can I build a 64 bit app on
it?

[mark_stallard]

Hi Gerry -

Thanks for posting these links. There's one mistake in your post, though:

> No, you cannot build the 64-bit dll on a 32-bit PC.
> The above SDK must be instaleld and compile & link on a 64-bit PC with
> 64-bit Windows OS

While it's really preferable to have a 64-bit machine for this, you can
still compile and link your applications on a 32-bit machine with this SDK.
Just make sure you download the 32-bit version, it contains the compiler,
linker and libraries to to write both 32- and 64-bit DLLs.

I did this on and off for 3 years on a 32-bit machine. The big problem was
that I couldn't TEST the 64-bit DLLs. When someone discovered bugs in the
64-bit version that didn't show up in the 32-bit version, I didn't have
the means to debug the 64-bit version.

(Patrick Williams could tell you how to set up remote debugging in a
situation like this, but that's a subject for another thread).

To reiterate, anyone developing 64-bit Windows DLLs should get a 64-bit
computer and OS. That way, you can write and test for both 32-bit and
64-bit environments.

|+| M a r k |+|

Mark Stallard
Rapid Response Development
information Solutions
Integrated Defense Systems
Raytheon Company




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[benz2]

body{font-size:10pt;font-family:arial,sans-serif;background-color:#ffffff;color:black;}p{margin:0px;}Here's a hint that cost me a few days...

VS2008 does NOT install 64-Bit support by default, even if you are on a 64-bit machine. While you are installing it, (or afterward, re-invoking the installer and using the Add Option) you need to expand the C++ option and check the checkbox for the the option to support 64-bit support.

See:

[benz2]

body{font-size:10pt;font-family:arial,sans-serif;background-color:#ffffff;color:black;}p{margin:0px;}Re-reading the tread.... My hint is for WF5.0, which uses VS2008, and according to MSDN also seems to apply to VS2005, but I don't see the same for VS2003

Ben Franklin
Ben Franklin

[pwilliams-3]

Mark,
The other responses to your question are correct. You can compile a 64 bit dll on a 32 bit Windows machine however you can't test it. The SDK is a free download and it comes with the 64 bit cross compilers. I have a walk-through on how to do this in the Pro/TOOLKIT course I teach for WF 3.0. There's a few hoops to jump through but it does work quite nicely. You would have to follow the same procedure if you were on a 64 bit Windows machine.

Are you using MSVC .NET 2003?

Here are the basic steps:

1. Acquire the 64 bit protoolkit directory from a 64 bit installation and put it on your machine.

2. Download and install the Windows Server 2003 SDK R2.

a. Web install PSDK-x86.exe

6. Create a new Console Application that creates a dll.

7. Open one of the 64 bit protoolkit make files and mimic the settings from the makefile in the project.


Patrick Williams | Engineering Systems | o: 616.698.3766 | c: 616.947.2110
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