Re: Damien Lespiau » shave: making the autotools output sane

[Michel Briand]

Adam Mercer <address@hidden> - Wed, 10 Jun 2009 01:33:35 -0500

>On Wed, Jun 10, 2009 at 00:25, Vincent Torri<address@hidden> wrote:
>
>> Is it possible to add AM_SILENT_RULES only when automake version is >= 1.11,
>> that is is there a good way to retrieve the version of automake in
>> configure.ac ? Something like:
>>
>> AM_INIT_AUTOMAKE(1.6 dist-bzip2)
>> if test $AUTOMAKE_CURRENT_VERSION -ge 1.1 ; then
>>   AM_SILENT_RULES
>> fi
>>
>> I think that i can get it by using sed on what is returned by 'automake
>> -version', but i would prefer an "autotools" way
>
>The best way I've found, from Ralf's recommendations, to use an
>autotools feature only if it is available is to use the m4_ifdef
>macro, for example, adding the following to my projects configure.ac
>uses the silent build rules, from automake-1.11, if appropriate:
>
>m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],)
>
>this is not in production yet, just in the development git repo, so
>YMMV but I have used this technique for other autoconf and automake
>macros without issue.
>

And does this apply to libtool ? It would be very nice ;)

Cheers,
Michel