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From "Andrew Black (JIRA)" <>
Subject [jira] Created: (STDCXX-336) Desire capacity to have multiple config.h files in an install directory
Date Thu, 08 Feb 2007 19:07:05 GMT
Desire capacity to have multiple config.h files in an install directory

                 Key: STDCXX-336
             Project: C++ Standard Library
          Issue Type: Improvement
          Components: Configuration
            Reporter: Andrew Black
            Priority: Minor
             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 os/compiler/buildtype/buildtag.
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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