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From: Alexandre Duret-Lutz
Subject: Re: AM_PATH_PYTHON bug
Date: 05 Nov 2004 11:07:36 +0100
User-agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.3.50

>>> "Stepan" == Stepan Kasal <address@hidden> writes:

 Stepan> Hello Alexandre,
 Stepan> On Thu, Nov 04, 2004 at 11:03:38PM +0100, Alexandre Duret-Lutz wrote:
 Stepan> I looked at aclocal-1.9/m4/python.m4 and saw a bug.  
 >> I believe you are confusing AC_PATH_PROGS with AC_PATH_PROG.
 >> Otherwise please do explain what the bug is.

 Stepan> We both know that AC_PATH_PROG does nothing if the var is already set.
 Stepan> But AC_PATH_PROGS is the same in this respect, if the var was already
 Stepan> set, do nothing.

If so, why does tests/python8.test work?


 Stepan> - Macro: AC_CHECK_PROGS [...] if VALUE-IF-NOT-FOUND is not specified,
 Stepan> the value of VARIABLE is not changed.

 Stepan> Well, it should say "the VARIABLE is left empty."

I don't know.  At least such change would be inaccurate for AC_PATH_PROGS.
Alexandre Duret-Lutz

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