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Subject: Re: [boost] [CMake] what to do now?
From: Robert Ramey (ramey_at_[hidden])
Date: 2016-04-14 19:09:04

On 4/14/16 12:00 PM, Edward Diener wrote:
> On 4/14/2016 1:37 PM, Rene Rivera wrote:
>> On Thu, Apr 14, 2016 at 12:33 PM, Louis Dionne <ldionne.2_at_[hidden]>
>> wrote:
>>> Don't overthink it. All I'm saying is that the Boost guidelines
>>> recommend
>>> that
>>> CMakeLists.txt should appear in $some_library/build/CMakeLists.txt,
>>> while I
>>> argue that current practice is to put it in
>>> $some_library/CMakeLists.txt.
>> Just to be clear. It's not a recommendation. It's a requirement.
> Ideally could not one have a CMakeLists.txt file wherever there is
> currently a jamfile ? In the library's 'build' directory to build a
> non-header only library, in the library's 'doc' directory to build the
> docs, in the library's 'test' directory to run the tests etc.
> I don't know CMake but I assume it must be capable of having multiple
> CMakeLists.txt files for a library, or that a library's top-level
> CMakeLists.txt can refer to the individual CMakeLists.txt files in order
> to "build" all the library's components. If it is not capable of such
> stuff it certainly isn't usable by Boost.

Actually I believe that that is the way CMake is generally used.

When I got CMake working I put it all in one file in order to replicate
the pattern I'm used to with boost build. Now I'm beginning to think
this might have been a mistake. I wondering if we shouldn't have used:

<library name>
       CMakeList.txt to convert boost book to html
       CMakeList.txt to convert quikbook to html

Note that not all libraries would have all components. This has the
appeal of being regular.

> My personal problem with CMake is, while the language to use it is more
> understandable for me than 'jam', its doc is just as hard for me to
> understand as Boost Build if not even harder <g>. Mastering yet another
> build system which is documented mainly for those who already know what
> it is about is not my idea of programming fun.

This is the plague of "modern tools" I spend more time
working/configuring/etc the tools than I do actually writing source
code. It's a very depressing situation and no tool is immune.

Robert Ramey

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