Re: Makefile and includes

[Shlomi Fish <shlomif vipe technion ac il>]

On 27 May 2001, Eric Gillespie, Jr. wrote:

> 
> On Sun, 27 May 2001 10:12:35 +0000 (UTC),
> corsepiu faw uni-ulm de (Ralf Corsepius) said:
> 
>     > Just a piece of advice: $(..) is a bash proprietary
>     > shell-construct.  As configure.ins are supposed to be
> 
> Uh, no. That's POSIX sh, and is actually preferred, since you can
> nest it. Just try nesting the `foo` construct.
> 

I don't think it belongs to POSIX sh. AFAIK, it's an extension borrowed
from the Korn Shell. Maybe it appears in later versions of POSIX, but I
don't think it does in the early ones.

For one, I know that the Solaris /bin/sh does not accept it and generates
a weird manner.

What I do agree is that it is generally a better idea than the back-ticks.

However, while bash, zsh and ash all support it, the fact that the
/bin/sh's of proprietary UNIXes don't would usully deter one from using
it in configure scripts.

Regards,

	Shlomi Fish

> -- 
> Eric Gillespie, Jr.
> mailto:epg pobox com <*> jabber:pretzelgod jabber org
> 
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> "Yeah, but that's one cute pig."
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----------------------------------------------------------------------
Shlomi Fish        shlomif vipe technion ac il 
Home Page:         http://t2.technion.ac.il/~shlomif/
Home E-mail:       shlomif techie com

A more experienced programmer does not make less bugs. He just realizes
what went wrong more quickly.