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From "Martin Sebor (JIRA)" <>
Subject [jira] Updated: (STDCXX-336) allow multiple config.h files in the same installation directory
Date Thu, 01 Mar 2007 21:46:50 GMT


Martin Sebor updated STDCXX-336:

       Priority: Critical  (was: Minor)
    Environment: all
        Summary: allow multiple config.h files in the same installation directory  (was: Desire
capacity to have multiple config.h files in an install directory)

This is important if we want to allow multiple configurations of the same library to coexist
in the same directory as users of the Rogue Wave implementation are accustomed to doing. Bumped
up priority to Critical.

> allow multiple config.h files in the same installation directory
> ----------------------------------------------------------------
>                 Key: STDCXX-336
>                 URL:
>             Project: C++ Standard Library
>          Issue Type: Improvement
>          Components: Configuration
>         Environment: all
>            Reporter: Andrew Black
>            Priority: Critical
>             Fix For: 4.2
> A useful enhancement could be the ability to install multiple versions of the standard
library into the same location.  While there is nothing in the makefiles that would prevent
such an installation, a problem arises with the config.h file in the include sub directory
of the install directory.  Only one config.h file can reside in this location at a time, and
different versions (such as those generated when characterizations are run with different
compilers) may differ.
> One problem that needs to be considered in implementing (or deciding not to implement)
this request is the situation where a config.h file hasn't been generated for a particular
> Another problem to consider is when you have the same os/buildtype/buildtag, but different
compilers, and one or both compilers support features that the other doesn't.

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