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List:       cmake
Subject:    [CMake] Windows, export lits (.def files) and automation
From:       Tom Kacvinsky <tom.kacvinsky () vectorcast ! com>
Date:       2015-03-27 17:17:20
Message-ID: CAAEKttzR_B0VvFMUyND5g1Fz7itqYnG1wHGrtEAqqVEUB-A=2Q () mail ! gmail ! com
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I have read the material concerning how to make a DLL on Windows with
exported symbols and it make sense.  However, I would like to avoid
use of __declspec(dllexport) if at all possible.  I know this is not
the recommended cmake way, but I am afrid that introducing
__declspec(dllexport) would lead to a maintenance nightmare (broken
builds because exports weren't added, merges silently removing the
exports, etc...)

I found this:

http://stackoverflow.com/questions/225432/export-all-symbols-when-creating-a-dll

which explains how to automate the creation of a .def file I could use
for making a DLL.

And I also found documentation on the PRE_LINK option when generating a library.

So what I was thinking is I could compile the code via an OBJECT
library (vs. STATIC or SHARED),
make a custom command to generate the .def file given the
correpsonding object files, and then set up a target to generate the
DLL that combines the object files and .def file.

That's the train of thought, anyway.  What I would need to know is the
cmake magic to glue all these pieces together.

Has any one done this and have tips on how to do so?

Thanks,

Tom
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