[Dune] CMake to link an executable

[Aleksejs Fomins]

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Dear Dune,

I am currently testing the performance of integration in our curvilinear code, and for that purpose I need to temporarily integrate an external library into a dummy dune module.

The library I am trying out is
http://ab-initio.mit.edu/wiki/index.php/Cubature

To use this library, one needs to include a corresponding .h file, and to link a corresponding .c file, namely

cc -DHCUBATURE -o htest hcubature.c test.c -lm

Could somebody suggest how I can link a .c file to my program in CMake?

Greetings,
Aleksejs
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