topic Re: !DEC$ ATTRIBUTES DLLEXPORT in Intel® Fortran Compiler

!DEC$ ATTRIBUTES DLLEXPORT

albert — Fri, 25 Jul 2008 14:26:55 GMT

Dear all,

In my application I have to share data between 2 dll's. The data is defined in a Fortran module and when using
!DEC$ ATTRIBUTES DLLEXPORT it works, however when compiling the code on a linux platforI get warning messages about the !DEC$... Is there a way to remove the !DEC$... from the Fortran modules but still being able to use the data in both dll's ?

Best Regards,

Albert

Re: !DEC$ ATTRIBUTES DLLEXPORT

g_f_thomas — Fri, 25 Jul 2008 15:44:35 GMT

!DEC$ is an extension. You could try f2003's deficientC interop features to get around this.

Gerry

Re: !DEC$ ATTRIBUTES DLLEXPORT

Steven_L_Intel1 — Fri, 25 Jul 2008 17:36:08 GMT

But there's no DLLEXPORT in the C interoperability feature.

The way I would approach this is:

!DEC$ IF DEFINED (_WIN32)
!DEC$ ATTRIBUTES DLLEXPORT :: name
!DEC$ END IF

Re: !DEC$ ATTRIBUTES DLLEXPORT

g_f_thomas — Fri, 25 Jul 2008 23:21:31 GMT

How tautological! Allthat does is assure that it's portable to Windows if one is using MSFP, Digital, Compaq, or IVF,whichwe knewalready.

Even scripting languages have superior C interop than f2003.

Gerry

Re: !DEC$ ATTRIBUTES DLLEXPORT

Steven_L_Intel1 — Fri, 25 Jul 2008 23:53:00 GMT

My understanding was that it was desired to avoid the warning about the unsupported DLLEXPORT attribute on Linux when using the Intel compiler there. The code I suggested would do that.

DLLEXPORT has nothing to do with C interop.

Re: !DEC$ ATTRIBUTES DLLEXPORT

g_f_thomas — Sat, 26 Jul 2008 01:30:15 GMT

Another tautology. Next.

Gerry

Re: !DEC$ ATTRIBUTES DLLEXPORT

albert — Sat, 26 Jul 2008 10:05:15 GMT

The problem is that I would like to get rid of the !DEC$... directives but still would be able to access the data from both my dll's

Re: !DEC$ ATTRIBUTES DLLEXPORT

Steven_L_Intel1 — Sat, 26 Jul 2008 12:33:00 GMT

You can't. If you are exporting or importing variables, the directives are required.

Re: !DEC$ ATTRIBUTES DLLEXPORT

albert — Mon, 28 Jul 2008 06:28:45 GMT

Pity that I have to use the !DEC$ ... directives.

In the near future I have to port the application to 64-bit. Do I have to use the !DEC$ in the 64-bit version as well ?

Albert

Re: !DEC$ ATTRIBUTES DLLEXPORT

Steven_L_Intel1 — Mon, 28 Jul 2008 12:35:07 GMT

Yes, you do.

Re: !DEC$ ATTRIBUTES DLLEXPORT

chip_ray1 — Tue, 29 Jul 2008 12:38:59 GMT

g.f.thomas:

Another tautology. Next.

Gerry

You are being rude, but what's new!

Re: !DEC$ ATTRIBUTES DLLEXPORT

g_f_thomas — Tue, 29 Jul 2008 18:41:41 GMT

What, another tautology. Enough.

Gerry