[CMake] libraryname decoration

Olaf van der Spek olafvdspek at gmail.com
Fri Jul 30 08:11:35 EDT 2010


On Fri, Jul 30, 2010 at 2:05 PM, Ryan Pavlik <rpavlik at iastate.edu> wrote:
>> It's a shame gcc doesn't support it yet. I would love to see support
>> there.
>>
>> Olaf
>
> The issue conceptually for me here, is that the code shouldn't/doesn't
> necessarily know what exact library name to link against - think different
> versions of libraries, different platforms...

Could you give a concrete example? As, again with Boost, I've never
seen an issue like this.

> What ends up happening in
> projects that rely on those kinds of constructs, is your config system ends
> up having to configure a file specifying the library names for the pragmas
> to work, which ends up being more hassle than just handling linking entirely
> within the build system.  (Plus, then you get the whole "I know exactly what
> my project links against and uses" benefit.)

> I use boost a lot.  I've only used its auto-linking by accident, when it
> guesses the wrong decorated name or wrong location for my platform, at which
> point I realize I missed a library in my build system.  It ends up being a
> slightly more convenient "unresolved symbols" error.

Interesting. What was the cause of this issue?

Olaf


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