m4 ChangeLog configure.ac ltdl/m4/gnulib-cache.m4

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      07/04/12 12:30:21

Modified files:
        .              : ChangeLog configure.ac 
        ltdl/m4        : gnulib-cache.m4 

Log message:
        Enable autobuild usage.
        * ltdl/m4/gnulib-cache.m4: Augment with 'gnulib-tool --import
        autobuild'.
        * configure.ac (AB_INIT): Output autobuild information.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&r1=1.511&r2=1.512
http://cvs.savannah.gnu.org/viewcvs/m4/configure.ac?cvsroot=m4&r1=1.64&r2=1.65
http://cvs.savannah.gnu.org/viewcvs/m4/ltdl/m4/gnulib-cache.m4?cvsroot=m4&r1=1.25&r2=1.26