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Re: aclocal: warning: AC_CANONICAL_HOST invoked multiple times
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From: |
Eric Blake |
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Subject: |
Re: aclocal: warning: AC_CANONICAL_HOST invoked multiple times |
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Date: |
Thu, 18 Oct 2007 19:07:24 -0600 |
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User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.6) Gecko/20070728 Thunderbird/2.0.0.6 Mnenhy/0.7.5.666 |
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According to Sam Steingold on 10/17/2007 10:14 AM:
> I get the following warning:
>
> aclocal -I `pwd`/src/m4 -I `pwd`/src/glm4 \
> --output=src/autoconf/aclocal.m4
> configure.ac:87: warning: AC_CANONICAL_BUILD invoked multiple times
...
>
> how do I avoid this warning?
Generally, these sorts of errors can be avoided by using
AC_REQUIRE([AC_CANONICAL_BUILD]) rather than flat-out invoking
AC_CANONICAL_BUILD.
On the other hand, this ChangeLog may shed some light on the matter:
2005-08-26 Stepan Kasal <address@hidden>
* lib/autoconf/general.m4 (AC_CANONICAL_BUILD, AC_CANONICAL_HOST,
AC_CANONICAL_TARGET): Define by AC_DEFUN, no need to use AC_DEFUN_ONCE;
but change the m4_divert_text to m4_divert_once.
The message is printed by AC_DEFUN_ONCE, but the current git sources of
Autoconf don't use that any more as of the above-mentioned change. So my
guess is that you are still using autoconf 2.59 instead of 2.61.
Try upgrading, and seeing if that makes the message disappear.
- --
Don't work too hard, make some time for fun as well!
Eric Blake address@hidden
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