Gut install.html

[Paolo Carlini]

Phil Edwards wrote:

>Paolo noticed that our install.html was seriously dated.  ("You'll need a
>snapshot of GCC 3.x to build the library," instructions on how to replace
>v2 with v3, etc.)  I started to try and update them, then realized that they
>are just too old to be useful; most of it was written when we were still
>releasing our own snapshots apart from the compiler.
>  
>
Yesterday, I came to the very same conclusion...

>Eventually all of this should be merged in with the main GCC documentation,
>but until it's ready, we should just mention the steps unique to libstdc++
>-- installing locales, for example -- and refer to the main pages for
>everything else.  Finding shared libraries isn't actually unique to us,
>but we're often the first library that a runtime loader will fail to find,
>so users will usually be hunting our pages down before reading the GCC pages.
>
>This rips out all the instructions for how to set up separate source and
>build trees, the commands to issue, and so forth.  Reactions?
>  
>
Absolutely OK with me, much less confusing. Could you possibly also 
integrate
in your patch those additions to the set of locales that I sent you 
privately?

Thanks!
Paolo.