Re: [boost] [EXTERNAL] Re: Request for a "Policy Review" regarding 'CMakeLists.txt'

Subject: Re: [boost] [EXTERNAL] Re: Request for a "Policy Review" regarding 'CMakeLists.txt'
From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2016-05-17 22:14:42

On Tue, May 17, 2016 at 9:09 PM, Belcourt, Kenneth <kbelco_at_[hidden]>
wrote:

>
> > On May 17, 2016, at 6:11 PM, Peter Dimov <lists_at_[hidden]> wrote:
> >
> > Paul Fultz II wrote:
> >
> >> Ok, you could just do `cmake libs/hana` for the cmake step. However,
> this won't build hana's dependencies. Another way would be for hana to
> provide a target just for its test, so using `hana-check` instead of
> `check`:
> >>
> >> git clone git_at_[hidden]:boostorg/boost.git
> >> mkdir build && cd build
> >> cmake ../boost
> >> cmake --build . --target hana
> >> cmake --build . --target hana-check
> >> cmake --build . --target install
> >
> > Is it possible to write a top-level CMakeLists.txt which would
> add_subdirectory for each present library in libs/ ? (b2 does this -
> invoking it at top level automatically works on a subset and builds
> whatever is present.)
>
> Add code like this to the top-level CMakeLists.txt
>
> # Add Boost subdirectories
> SUBDIRS(libs/accumulators)
> SUBDIRS(libs/algorithm)
> SUBDIRS(libs/align)
> ...
>
> would look for a CMakeLists.txt file in each subdirectory listed.
>

Peter meant programatically. As in, pseudo code:

for each libs/*:
  add_subdirectory( X )

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-- Rene Rivera
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