Library Linking

[Titus_Groan]

Under Oneworld I am editing a business function, B0000955. I have inserted code that requires a library to be linked during compile time.

I am using Visual C++ as the compiler interface and the Project->Settings selector does not contain link information.

Is there a generic Makefile out there that I have to alter in order to instruct JDE to link in this file when the business function is being built?

Any Ideas?

Mike

 

[ag_cjc]

The makefile is generated by BusBuild. The solution I was given by JDE, was to dynamically link to your dll if it's not supported by BusBuild.

 

[WhippingBoy]

ag is right, use LoadLibrary(). Busbuild doesn't give you the flexibility you need to use the linker.

 

[Sebastien Leclerc]

I have completed an implementation of the prepayment functionality last year, along with a few other interfaces to C++ libraries.

The only way to interface to a third-party DLL is by using the loadlibrary function. There are two things you need to be aware of:

1- The byte alignment of the third party DLL is critical if you plan to run the code on the enterprise server. The byte alignment of a workstation is NOT the same as the byte alignment of the enterprise server. I have had APPLICATION CRASH in the past because of misalignment. It is thus possible that you'll have to use the "#pragma pack " instruction in your header files to match the third party DLL's alignment

2- LoadLibrary is a Windows only function, as far as I know. So if you are in a multi-platform environment, add the following to your code where needed:
#ifdef JDENV_PC
// your windows code here
#endif

There is a good article about byte alignment in the Knowledge garden.

Hope this helps!