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Re: AC_TRY_COMPILE() annoyances with 2.63b

From: Mike Frysinger
Subject: Re: AC_TRY_COMPILE() annoyances with 2.63b
Date: Fri, 10 Apr 2009 00:51:36 -0400
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On Friday 10 April 2009 00:27:24 Eric Blake wrote:
> According to Eric Blake on 4/6/2009 8:25 PM:
> > According to Mike Frysinger on 4/6/2009 3:43 PM:
> > I'm also leaning towards omitting the else if $1 is provably blank,
> > otherwise providing the : in case non-blank $1 ultimately expands to a
> > blank (unless someone finds a shell where 'if false ; then :; fi; echo
> > $?' fails to output 0).  AS_CASE and AS_FOR are also candidates for this.
> >  And it will be easier with m4_ifblank.  Stay tuned; I'll have a patch by
> > the end of the week.
> Here's what I'm about to apply.

this looks good to me (but didnt actually test), thanks !

perhaps also update the documentation of m4_normalize and m4_strip to refer to 
m4_blank/m4_nblank ?

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