Re: libtool using AC_CHECK_TOOL to find file

Mike Frysinger <[email protected]> Fri, 1 Dec 2023 06:32:26 -0500

Newsgroups	gmane.comp.gnu.libtool.general
Message-ID	<ZWnESq2lOyziZHMP@vapier>

On 25 Oct 2023 20:24, Uwe Kleine-König wrote:
> while cross-building a package I noticed a warning emitted by configure:
> 
> 	...
> 	checking for arm-v7a-linux-gnueabihf-file... no
> 	checking for file... file
> 	configure: WARNING: using cross tools not prefixed with host triplet
> 
> This was added in commit da2e35273572 ("libtool: replace some references
> to /usr/bin/file and /bin/sh") by using AC_CHECK_TOOL to find the file
> program (included in libtool 2.4.7).
> 
> I wonder if using AC_CHECK_PROG would be more appropriate here. Or is it
> really expected that file is installed as a cross tool using a host
> triplet prefix? The commit log doesn't mention anything in that
> direction (and before that commit "/usr/bin/file" was used).
> 
> I'm not familiar with libtool development, so didn't even try to prepare
> a patch.

AC_CHECK_PROG seems more appropriate
-mike

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