Re: [TRNSYS-users] proble on rebuilt DLL and LINKCK

[David BRADLEY <d.bradley@tess-inc.com>]

Mehdi,
  Type919 calls a subroutine called AIRPROP (which is part of the TESS Libraries). You simply need to add the AIRPROP subroutine to your DLL project. I can't tell from your message which Fortran compiler you are using. If you are using Intel, simply right-click on the "source files" folder of your DLL project, select "add: existing item" and then browse to

..\Trnsys17\Tess Models\SourceCode\DryAirProperties.f90 (if you are using Trnsys17)

or to

..\Trnsys16\Tess Models\SourceCode\DryAirProperties.for (if you are using Trnsys16)

If you are using the Compaq compiler, the process for adding a file is more or less the same. I don't have CVF installed anymore but I seem to remember that you can right-click on the source files folder and select "add to project" and then browse for the file.
Kind regards,
 David


On 8/19/2011 09:26, Mehdi Shahrestani wrote:

Dear Trnsys Users

 

I have a problem on rebuilt DLL for type 911(water source heat pump).

To make some modification on this component I start to rebuild the dll fill.

Before any change I have just wanted to rebuilt it as it was but on other type number.

 

I change the perfoma number and also subroutine number from 919 to 337. I was expecting that it should be rebuilt because nothing was changed. But the following errors came up.

I should mention that I am using “export to FORTRAN” option of studio to make dll files.

 

It seems that it could not find the subroutine related to the air property “AirProp”. It is strange because the original type “type919” exactly is the same as this new type but works fine.

How can I link the external subroutine“AirProp”.

 

Your advices are highly appreciated.

 

 

Regards

Mehdi

 

--------------------Configuration: Type237Lib - Win32 Release--------------------

Compiling Fortran...

C:\Trnsys17\MyProjects\New Components\Type237\Type237.for

Linking...

   Creating library C:\Trnsys17\UserLib\ReleaseDLLs/Type237.lib and object C:\Trnsys17\UserLib\ReleaseDLLs/Type237.exp

Type237.obj : error LNK2001: unresolved external symbol _AIRPROP

C:\Trnsys17\UserLib\ReleaseDLLs/Type237.dll : fatal error LNK1120: 1 unresolved externals

Error executing link.exe.

 

Type237.dll - 2 error(s), 0 warning(s)

 

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David BRADLEY
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Thermal Energy Systems Specialists, LLC
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