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Re: RFA/RFC: Pass --cache-file=/dev/null on to subconfigures
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Charles Wilson <cygwin at cwilson dot fastmail dot fm>
- Cc: Ralf Wildenhues <Ralf dot Wildenhues at gmx dot de>, Nick Clifton <nickc at redhat dot com>, gcc-patches at gcc dot gnu dot org, gdb-patches at sourceware dot org, binutils at sourceware dot org
- Date: Fri, 25 Sep 2009 19:13:02 +0200
- Subject: Re: RFA/RFC: Pass --cache-file=/dev/null on to subconfigures
- References: <m3ljk31fwr.fsf@redhat.com> <20090925110629.GA25946__23064.0259491794$1253876825$gmane$org@ins.uni-bonn.de> <4ABCD858.3030400__7010.59009084037$1253890491$gmane$org@cwilson.fastmail.fm>
Charles Wilson <cygwin@cwilson.fastmail.fm> writes:
> I've seen it happen -- building gdb/insight which is part of the src
> tree if not gcc specfically -- when a precious variable contained a
> leading space. I think it was because the top-level configure
> automatically augmented it as follows, when the var was originally empty:
>
> X="$X --some-new-flag"
>
> For some reason, the sub-configure had the variable without the leading
> space, so it complained of a mismatch.
That should no longer be an issue with the switch to autoconf 2.64.
Such whitespace differences are now ignored.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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