Re: [boost] 32/64 library name conflict under Windows?

On 9 March 2016 at 22:22, Andrey Semashev wrote:

On 2016-03-09 23:06, Klaim - Joël Lamotte wrote:

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On 9 March 2016 at 20:49, Rob Stewart wrote:

On March 9, 2016 5:53:08 AM EST, "Klaim - Joël Lamotte" <

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mjklaim@gmail.com> wrote:

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On 9 March 2016 at 10:35, Paul A. Bristow wrote:

If some people want to split into arch-based folders /x86 /x64 /arm

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then can't they easily do this at library build time

http://www.boost.org/doc/libs/1_60_0/more/getting_started/windows.html#insta...

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"To use a different directory pass the --stagedir=directory option to b2."

A few typical build command lines could be provided to help?

If arch type is not somewhere by default (that is, boost distribution officially put these files somewhere clear and identifiable), it means that the tools can't rely on a specific path to find the right binaries.

What tools rely on Boost to put libraries in some official location?

CMake's FindBoost.cmake module which is distributed with CMake for example.

Several times in the past I built a boost version with default location (or got the binary distribution) and setup my project using CMake to use Boost. Then I get link time errors because I was compiling in 32bit (I use both 32 and 64bits in most of my projects) and Boost only existed in the native platform's architecture version. To help me remember about this issue, I setup a specific CMake macro in all my projects (which could be by someone else than me) to force the user at cmake's configure time to specify which binaries to use (I use separaet folders at the moment to provide the lib directory path to FindBoost.cmake).

Well, whatever we choose to change (the default target directory or file names), CMake will need to be updated. Users' scripts too, unless they explicitly specify the target directory. Changing the target directory would be safer even.

Upgrading CMake's FindBoost.cmake module is not hard, I was volunteer before to do the patch as soon as there is an official location rule. I'm less available these days but I could find the time to do so.

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