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Subject: Re: [boost] [test] How to execute shell commands
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2018-09-28 21:30:49


On 09/28/2018 03:07 PM, Peter Dimov via Boost wrote:
> Mike Dev wrote:
>> Of course I can write a cpp program that uses std::system to execute
>> those commands but I was wondering if there was a more direct way to
>> do it.
> That would be the way.
> You can pass input files to the `run` rule:
>    run my_cmake_test.cpp : : myfile1 myfile2 ;
> (
> If these are targets, they will refer to files in the bindir; if not, to
> source dir. Relative paths are relative to the current Jamfile.
> I'm not sure if you could do
>    run my_cmake_test.cpp : : my_cmake_test ;

You can't. It will complain about a circular dependency.

> to obtain a path to my_cmake_test.exe though. It would probably be
> easier to infer the directory corresponding to where the test executable
> is placed from argv[0] (but I haven't tried that this works.)

You can probably get away with it in this case,
but this method isn't reliable in general.

Maybe Boost.Process or Boost.Filesystem has something?
I remember seeing code for this somewhere...
Oh here it is:
That's not really reusable, however.

> If not, you could perhaps use a dummy obj target
>    obj cmake_test_obj : cmake_test_source.cpp ;
> and then
>    run my_cmake_test.cpp : : cmake_test_obj ;

In Christ,
Steven Watanabe

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