[mlpack-git] [mlpack] Link against lexecinfo on FreeBSD (#423)

[Ryan Curtin]

As is typical when I'm out of town, I can't connect to my BSD build slave (I'm looking forward to the day where I'm forced to actually come up with a more stable and reliable build server configuration...).  I took a look through the offerings of CMake, and there's no `find_package` script for `execinfo`, so what you've written seems to be the best option.  The only change I'd make is that variable name `execinfo` to `EXECINFO_LIBRARY`, but that's only for the sake of making it look more like the rest of the CMake code.

If you want to try that and test it, then (assuming it works, which it should) push it, feel free.  I saw some threads where people were having trouble getting execinfo to work on BSD, so if you want to write a quick test program to trigger a `Log::Assert()` call too, that would be nice (if not, I'll handle it when I get home a week from now or so).

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Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/issues/423#issuecomment-84161772
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