[CMake] Don't export symbols but the one I want

[David Cole]

On Wed, Nov 23, 2011 at 1:26 PM, John Drescher <drescherjm at gmail.com> wrote:
> On Wed, Nov 23, 2011 at 12:30 PM, Stephen Kelly <steveire at gmail.com> wrote:
>> David Demelier wrote:
>>
>>> Hello,
>>>
>>> I'm creating a library that use a lot of internal code (not static
>>> because it should be visible by other compilation units) so I would like
>>> to don't export any symbols but only the one I want.
>>>
>>> Usually you use __declspec(dllexport) for windows but on unix and gcc
>>> everything is exported and I don't know any portable way to disable this.
>>>
>>> Does CMake can handle this problem and export some symbols without using
>>> ten thousand of #ifdef #endif in C files?
>>>
>>> Cheers,
>>>
>>
>> See also cmake --help-command GenerateExportHeader in cmake 2.8.6.
>>
>>
> jmd0 work # cmake --help-command GenerateExportHeader
> cmake version 2.8.6
> Argument "generateexportheader" to --help-command is not a CMake
> command.  Use --help-command-list to see all commands.
>
>
> John
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It's actually a module, not a command:

  cmake --help-module generateexportheader