ACLOCAL_AMFLAGS: fully deprecate, with warnings in the 'obsolete' category Users are expected to use the AC_CONFIG_MACRO_DIR{,S} autoconf macros instead. And the use of the '--install' aclocal option in ACLOCAL_AMFLAGS has proved to be a bad idea anyway -- see automake bug#9037. * NEWS: Update. * t/aclocal-amflags.sh: Enhance and adjust. * t/acloca14b.sh: Adjust. * t/acloca22b.sh: Likewise. * t/ax/distcheck-hook-m4.am: Likewise. * t/dist-missing-m4.sh: Likewise. * t/remake-renamed-m4-macro.sh: Likewise. * t/remake-renamed-m4-macro-and-file.sh: Likewise. * t/remake-renamed-m4-file.sh: Likewise. * t/remake-moved-m4-file.sh: Likewise. * t/remake-gnulib-remove-header.sh: Likewise. * t/remake-gnulib-add-acsubst.sh: Likewise. * t/remake-deleted-m4-file.sh: Likewise. * t/remake-deleted-m4-file.sh: Likewise. * t/libtool-macros.sh: Likewise. * t/gettext-macros.sh: Likewise. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>