Re: [Boost-build] How to specifiy multiple gcc compilers using windows 8.1

Subject: Re: [Boost-build] How to specifiy multiple gcc compilers using windows 8.1
From: Edward Diener (eldiener_at_[hidden])
Date: 2015-06-04 10:47:50

On 6/4/2015 8:20 AM, Paul A. Bristow wrote:
> I am trying to specify multiple version of GCC compilers in my user-config like this
>
> using gcc
>    : # version
>    4.8.1
>    : # compiler exe location
>    "C:\Program Files\mingw-builds\x64-4.8.1-win32-seh-rev5\mingw64\bin\g++.exe"
>    : # options
>   ;
>
>
> using gcc
>    : # version
>    4.9.1
>    : # compiler exe location
>    "C:\Program Files\mingw-w64\x86_64-4.9.1-win32-seh-rt_v3-rev1\mingw64\bin\g++.exe"
>    : # options
>   ;
>
> trying to follow the examples at
>
> http://www.boost.org/build/doc/html/bbv2/overview/configuration.html
>
> I've tried using "" around the file specification and using backslash
>
> warning: toolset gcc initialization:
> warning: can not find user-provided command 'C:Program Filesmingw-buildsx64-4.8.1-win32-seh-rev5ming
> w64bing++.exe'
> warning: initialized from C:\Users\Paul\user-config.jam:76
> I:/modular-boost/tools/build/src/tools\gcc.jam:83: in gcc.init from module gcc
> error: toolset gcc initialization:
> error: provided command 'C:Program Filesmingw-buildsx64-4.8.1-win32-seh-rev5mingw64bing++.exe' not f
> ound
> error: initialized from C:\Users\Paul\user-config.jam:76
>
> or forward slash
>
> 'C:/Program' is not recognized as an internal or external command,
> operable program or batch file.
> 'C:/Program' is not recognized as an internal or external command,
> operable program or batch file.
>
> It would appear that bjam/b2 is not dealing with the space in the filename? (despite the quotes)
>
> A 4.8.1 version is found by default.
>
> notice: will use 'C:/Program Files/mingw-builds/x64-4.8.1-win32-seh-rev5/mingw64/bin/g++.exe' for gc
> c, condition <toolset>gcc-4.8.1
>
> notice: using gcc libraries :: <toolset>gcc-4.8.1 :: C:/Program Files/mingw-builds/x64-4.8.1-win32-s
> eh-rev5/mingw64/bin C:/Program Files/mingw-builds/x64-4.8.1-win32-seh-rev5/mingw64/lib C:/Program Fi
> les/mingw-builds/x64-4.8.1-win32-seh-rev5/mingw64/lib32 C:/Program Files/mingw-builds/x64-4.8.1-win3
> 2-seh-rev5/mingw64/lib64
>
> How can I get all three versions of gcc available?

I always use forward slashes ( '/' ) rather than backslashes ( '\' ) 
when dealing with Boost Build.

It's possible backslashes work but maybe you need to have two of them 
for a single backslash, ala C++ string literals, when you put the path 
in quotes.