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From Ben Laurie <>
Subject Re: conditional HTML
Date Mon, 15 Apr 1996 19:01:07 GMT
> One man's opinion:
> * Should the default configuration files ("blah-conf.dist") be
>   rewritten at build time to know the install location?  This is easy
>   to do, if it is desirable.
> IMHO, the right thing to do is to produce a set of config files which
> are valid for the location where the user wants to install the thing,
> but to keep "make install" from installing them if another set of
> config files is already there (with a separate "install-config-always"
> makefile target for anyone who wants to force the issue).
> BTW, having looked your package over, there's are two questions I can
> answer and another I'd like to ask.  First the answers:
> ULTRIX_BRAIN_DEATH is used to simplify certain declarations which the
> Ultrix vendor-supplied 'cc' chokes on.  I gather you have not had
> the... ummm... *pleasure* of dealing with it.  Given that Ultrix is on
> the outs anyway, it may make sense to just require use of gcc for
> Ultrix installs (there are a heck of a lot more people running SunOS
> at this point who live with the same restriction).
> FCNTL_SERIALIZED_ACCEPT is needed on certain sysv-derived TCP stacks;
> when two processes simultaneously do an accept() on the same socket,
> on these systems, it can cause a kernel panic.  Since some of the
> affected systems are widely used (e.g. Solaris --- have they fixed it
> for 2.5?), you really do have to deal with it.  There probably ought
> to be a comment in the base Apache code explaining this someplace.
> (I'm not at all sure how to do an autoconf test for this behavior).
> The thing I'm not sure of is your strategy for dealing with an issue
> which is handled by the current config setup.  For SunOS and SGI, the
> 'Configuration' file tells the user how to select NIS or DNS for name
> lookups.  This is difficult to determine with an autoconf test, since
> there are sites where both of them work, but there are valid reasons
> for preferring one or the other which depend on the site's
> administrative policies.  It wasn't clear to me from looking over your
> scripts how you're handling this.
> (FWIW, I'm told the Kerberos folks wound up using configure
> command-line options to cover this case, and maybe a few other things
> that sleaze in around the edges).

I hate configure command-line options ... when you come round to do it again
in 6 months you invariably forget what they should be.



> rst

Ben Laurie                  Phone: +44 (181) 994 6435
Freelance Consultant and    Fax:   +44 (181) 994 6472
Technical Director          Email:
A.L. Digital Ltd,           URL:
London, England.

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