[v3, build, doc, testsuite] Remove obsolete Solaris 7 support

[Rainer Orth]

Paolo Carlini <paolo.carlini@oracle.com> writes:

> On 04/08/2010 05:20 PM, Rainer Orth wrote:
>> The following patch implements the announced removal of Solaris 7
>> support.  Nothing spectacular; I've just removed any reference to it
>> except from a few instances in install.texi where they are still
>> technically correct.
>>
>> I don't think I need approval, except perhaps for the testsuite and
>> libstdc++ parts, which should be obvious.
>>
>> Tested by configuring for i386-pc-solaris2.7 and verifying that the gcc
>> configure fails as expected, and a bootstrap on i386-pc-solaris2.10
>> without regressions.
>>
>> Ok for mainline?
>>   
> Ok, thanks.

Given the obvious nature of the testsuite patches (and the fact that we
currently lack a testsuite maintainer), I've installed the patch.

Thanks.
	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University