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Date:      Fri, 15 Nov 2002 12:27:51 -0800
From:      Alfred Perlstein <bright@mu.org>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Nate Lawson <nate@root.org>, hackers@FreeBSD.ORG
Subject:   Re: cvs commit: src/bin/sleep sleep.c
Message-ID:  <20021115202751.GJ50692@elvis.mu.org>
In-Reply-To: <200211152017.gAFKHbFS044142@apollo.backplane.com>
References:  <Pine.BSF.4.21.0211151103440.46823-100000@root.org> <200211151925.gAFJPsgh037805@apollo.backplane.com> <20021115194347.GG50692@elvis.mu.org> <200211152017.gAFKHbFS044142@apollo.backplane.com>

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* Matthew Dillon <dillon@apollo.backplane.com> [021115 12:17] wrote:
> :Will the knobs allow one to link /bin and /sbin against full blown
> :libc?  That would be nice as we can then start using pam and user
> :management in / with dynamic modules (finally!).
> :
> :-- 
> :-Alfred Perlstein [alfred@freebsd.org]
> 
>     I think that should be a goal.  I think something like this:
> 
>     USE_MINIC=YES	Link against the mini-C library.
> 
>     USE_SHARED_BIN=YES	Link against a shared libc or mini-C rather
> 			then linking statically.

Moiving forward I think it makes the most sense for us to maker /s?bin
dynamically linked against libc by default with options for linking
statically or dynamically against libc or mini-libc via make.conf.

>     All mini-C is is the full blown C library minus some of
>     the larger chunks of bloat.  e.g. no locale, smaller
>     but less efficient malloc, and a trimmed down printf.
>     At least that is what it is turning out to be.  Even
>     programs like /bin/rm require DBM and syslog.  It can
>     get nasty real fast.
> 
>     Basically libminic will override particular source files
>     in libc to generate the smaller footprint.
> 
>     If we want to trim down mini-C further, removing things
>     like DBM, we could, but then we would not be able to use
>     mini-C for all of bin and sbin.

I appreciate you taking the time and interest in this.  It will
help our embedded guys and give us all something new and interesting
to play with.

thanks,
-- 
-Alfred Perlstein [alfred@freebsd.org]
'Instead of asking why a piece of software is using "1970s technology,"
 start asking why software is ignoring 30 years of accumulated wisdom.'

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