This would have to be fixed per each tool. While build-dir settings specify default behavior, it's generally impossible to prevent individual file from going to random places - after all, one can always escape to shell and do file copy there.

- Volodya


On Sun, Sep 20, 2015 at 5:34 PM Edward Diener <eldiener@tropicsoft.com> wrote:
On 9/20/2015 4:26 AM, Vladimir Prus wrote:
> Edward,
>
> Suppose one has exactly that same use case as you - sources on shared
> folder. But, its not only Boost, but also an app using Boost. If I build
> that app and specify --build-dir then I want build products of app and
> Boost to be separate - in part because there might be naming conflicts
> otherwise and in part so that building another app using Boost do not
> rebuild Boost from scratch. These considerations do not apply when
> build-dir is specified in Jamroot - because there, it is relative to
> source directory and therefore disambiguated naturally.

OK, I understand the reasoning. I was able to get around the problem by
moving my old 'BoostCppSource/bin.v2', when --build-dir was not being
used, to under 'my_build_dir/boost', when '--build-dir=my_build_dir' is
specified when invoking b2 as I do now.

>
> Regarding tools that override build dir - that is bad, I'd be happy to
> help that fixed.

That would be helpful. It would keep Boost Build output out of the git
source tree when --build-dir is specified outside of the source tree, as
I do when sharing source. Does this have to be fixed based on the
individual tools that are hardcoding a 'dist' subdirectory beneath the
source tree or can it be done in general in Boost Build by automatically
using build-dir, whether specified or set in Jamroot ?

>
>
> On Sun, Sep 20, 2015, 04:45 Edward Diener <eldiener@tropicsoft.com
> <mailto:eldiener@tropicsoft.com>> wrote:
>
>     On 9/19/2015 3:01 PM, Niklas Angare wrote:
>      > "Edward Diener" <eldiener@tropicsoft.com
>     <mailto:eldiener@tropicsoft.com>> wrote:
>      >> Finally I notice a 'dist' sub-directory off of my Boost C++ root
>     where
>      >> a few tools, boostdep and inspect, have built their executables in
>      >> './dist/bin'. Is this sub-directory relative to the --build-dir
>     setting ?
>      >
>      > Yeah, I find it disturbing that some parts of the build process
>     creates
>      > files among the source files.
>
>     If this is being controlled by some option, like --build-dir, it does
>     not bother me. But if it is occurring in some hard-coded subdirectory
>     relative to the Boost C++ source then I think that this is bad.
>
>      >
>      >> My goal is to move the Boost git repository to a common partition
>      >> shared by multiple Windows OSs ( Vista, 7, 8.1, 10 ),
>      >
>      > Does it matter if these build related files are shared between the
>      > operating systems?
>
>     Yes ! Build files created when using one version of Windows are not
>     guaranteed to be correct or to execute on a different version of
>     Windows.
>
>     I want all build files to be created local to the OS I am using. Source
>     files OTOH can be shared. That is the entire intention behind my OP.


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