[CMake] Converting Autoconf-based tests that compile/run a program and check its exit code

[Eric Noulard]

2016-09-29 9:13 GMT+02:00 Alessandro Menti <alessandro.menti at hotmail.it>:

> Hi everyone,
> I'm converting an Autoconf-based library (specifically, gettext [1]) to
> CMake to be able to compile it easily on Windows and to mark it as a
> dependency of another CMake-based project.
>
> I have come across a test [2] that compiles a small program, runs it and
> checks its exit code to determine if some functions work correctly.
>
> 1) Is there a way to perform a similar check in CMake (maybe with a
>    custom module)?
>


I guess that you should look at

try_run command:
https://cmake.org/cmake/help/v3.6/command/try_run.html



> 2) If not, what would be the best way to convert it?
>
> Thanks in advance,
> Alessandro Menti
>
> [1] https://www.gnu.org/software/gettext/
> [2]
> http://git.savannah.gnu.org/cgit/gettext.git/tree/gettext-
> runtime/m4/fcntl-o.m4
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-- 
Eric
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