Re: [Openexr-devel] looking for a working 2.0.1 Windows build

[Piotr Stanczyk]

Are you building with specific namespaces? Alas, I can't quite recall if that plays out on windows well.

On 13 June 2014 14:12, Paul Miller <address@hidden> wrote:

On 6/13/2014 2:50 PM, Nick wrote:

That happens when you build without the DLL macros set up for export. Have a look at IexExport.h and you can follow the breadcrumbs backwards from there. I'm not currently set up for windows dev so I can't help much beyond that at the moment.

That's the confusing thing - everything looks right with the DLL macros.

The IlmBase libraries all have OPENEXR_DLL set, and the appropriate XXX_EXPORTS set. The relevant XXXExport.h headers all show XXX_EXPORT_DEFINITION ending up as __declspec(dllexport) where appropriate, and __declspec(dllimport) when included in IlmImf.

Anything else worth checking?

Sent from my iPhone

On Jun 13, 2014, at 12:34, "Paul Miller" <address@hidden> wrote:

On 6/10/2014 7:45 AM, Paul Miller wrote:

On 5/30/2014 10:51 AM, Piotr Stanczyk wrote:
As you can tell the windows platform does not receive a large amount of
time. I would urge you to go with 2.1.0 and use the cmake scripts rather
than the solution files.  I believe you can generate the son files from
there should you need to, but they should give you a build for the most
part.

Indeed, I would be happy to see the baked sln stuff go away in the
future.

Thanks to all who responded. I didn't know there was a cmake-based 2.1 -
that should make things easier.

So I've gotten pretty far with the latest 2.1 branch - IlmBase is building with no problems that I can see.

But when I'm linking IlmImf, I'm getting hundreds of "unresolved external symbol" errors, such as:

2>ImfTiledMisc.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl Iex::ArgExc::ArgExc(char const *)" (address@hidden@@QEAA@address@hidden)
2>ImfTiledOutputFile.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl Iex::ArgExc::ArgExc(char const *)" (address@hidden@@QEAA@address@hidden)
2>ImfTileOffsets.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl Iex::ArgExc::ArgExc(char const *)" (address@hidden@@QEAA@address@hidden)
2>ImfTimeCode.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl Iex::ArgExc::ArgExc(char const *)" (address@hidden@@QEAA@address@hidden)
...
2>ImfInputFile.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl IlmThread::Mutex::Mutex(void)" (address@hidden@@address@hidden)
2>ImfMultiPartInputFile.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl IlmThread::Mutex::Mutex(void)" (address@hidden@@address@hidden)
2>ImfAttribute.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl IlmThread::Mutex::Mutex(void)" (address@hidden@@address@hidden)
2>ImfDeepScanLineInputFile.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl IlmThread::Mutex::Mutex(void)" (address@hidden@@address@hidden)
2>ImfDeepScanLineOutputFile.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl IlmThread::Mutex::Mutex(void)" (address@hidden@@address@hidden)
...
etc.

I pointed the IlmImf linker to the built *.libs from IlmBase, so I don't know what is causing this.

I've gotten some build tips from Sebastian but I'm using VS2008 here and he's using 2010, and doesn't seem to be getting these errors.

Anyone know what is going on?


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