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From: "gary at intrepid dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug other/54324] New: GCC install document does not list minimum required g++ versions
Date: Sun, 19 Aug 2012 18:20:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54324

             Bug #: 54324
           Summary: GCC install document does not list minimum required
                    g++ versions
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gary@intrepid.com


Ref: http://gcc.gnu.org/ml/gcc-patches/2012-08/msg01223.html

Currently, install.texi states:

    @heading Tools/packages necessary for building GCC
    @table @asis
    @item ISO C90 compiler
    Necessary to bootstrap GCC, although versions of GCC prior
    to 3.4 also allow bootstrapping with a traditional (K&R) C compiler.

    To build all languages in a cross-compiler or other configuration where
    3-stage bootstrap is not performed, you need to start with an existing
    GCC binary (version 2.95 or later) because source code for language
    frontends other than C might use GCC extensions.

This appears to be out-of-date with respect to new GCC 4.8 C++ stage 1
build requirement.