build: modernize configure.ac
authorBartosz Golaszewski <bgolaszewski@baylibre.com>
Tue, 13 Oct 2020 12:58:23 +0000 (14:58 +0200)
committerBartosz Golaszewski <bgolaszewski@baylibre.com>
Tue, 13 Oct 2020 12:59:39 +0000 (14:59 +0200)
commit12b2fe9f85cf81bf3818fdf42413f3e88b0e135b
treeb005205b6d200a58958d0c1f34eba747831cb134
parent1ebf6c0d8d3b4b990d2439c55b37fc0ab0920f1f
build: modernize configure.ac

Replace deprecated macros with recommended counterparts. Require a more
recent autoconf version. Add missing brackets.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
configure.ac