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https://issues.apache.org/jira/browse/STDCXX-420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12497063
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Martin Sebor commented on STDCXX-420:
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Because we're using -nostdinc++ to eliminate them from the preprocessor search
path (see $BUILDDIR/include/config.log). We don't want to find them. The answer
to your next question I anticipate is coming: "Then why do we look for them?"
is that we used to want to find and use them with some compilers in the past
but ran into problems due to clashes with the native C++ Standard Library
implementation and so there is no such compiler today. I think this part of the
infrastructure (checking for the C++ libc headers) could be removed.
> Configuration scripts should check for standard C++ headers using g++ instead
> of gcc.
> -------------------------------------------------------------------------------------
>
> Key: STDCXX-420
> URL: https://issues.apache.org/jira/browse/STDCXX-420
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Configuration
> Affects Versions: 4.1.3
> Environment: All GCC supported platforms.
> Reporter: Eric Lemings
> Fix For: 4.2
>
>
> Configuration scripts will never find standard C++ headers using gcc. g++
> should be used instead.
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