Re: Cannot set environment variables in jam for VC6 and VC7

From: David Abrahams (dave_at_[hidden])
Date: 2003-06-03 21:42:24

Rob,

please take your Boost.Build questions to the jamboost list.  See
http://www.boost.org/more/mailing_lists.htm#jamboost

rmarsdena_at_[hidden] writes:

> I'm trying to use jam in place of nmake under VC6. The interesting
> thing is, I'm trying to use the VC7.1 compiler (I hate the new IDE).
>
> The problem is that the Path environment is hijacked by VC6 and replaced 
> with its own idea of what the world should look like (i.e. VC6
> paths).

I think what I'm hearing you say is that you're trying to use
Boost.Build to build with vc++7.1 in place of nmake under VS6
                                                          ^^^
Visual C++ is a compiler
Visual Studio is an IDE

> In nmake, I can do:
>
> MSDEV   = C:\Program Files\Microsoft Visual Studio .NET 2003
> MSVC    = $(MSDEV)\VC7
> CPP     = "$(MSVC)\bin\cl"
> IDE     = $(MSDEV)\COMMON7\IDE
> PATH    = $(IDE);$(PATH)
> INCLUDE = $(MSVC)\Include
>
> Fred.exe:       Fred.cpp
>                 $(CPP)  Fred.cpp
>                 
> and all is well. VC7.1 runs and compiles Fred.
>
> Under jam, I can load VC7.1 but it won't run because it looks in the path 
> for its DLLs, from the IDE, and the path isn't getting set. If I preset 
> the path before running VC6, the VC7.1 stuff is stripped out by VC6 as it  
> loads.
>
> Is there a way round this, or do I have to go back to nmake :-(

Make sure MSVCDir is unset in bjam and use the vc7.1 toolset.  One
way to do that might be:

    bjam -sMSVCDir= -sTOOLS=vc7.1

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com