configure.ac: replace obsolete AC_PROG_CC_STDC macro.
commit1bc8abd79f39061c341b78237e579877692e1d69
authorAndreas Mohr <and@gmx.li>
Wed, 22 Dec 2021 19:12:03 +0000 (22 19:12 +0000)
committerAndrew Borodin <aborodin@vmail.ru>
Sun, 13 Mar 2022 10:17:23 +0000 (13 13:17 +0300)
tree70d02fc0f3ad01ba40fb6230847a89610ea1560d
parentdc7888ca97e29c5b1fd5fec6085c7b8d293b6211
configure.ac: replace obsolete AC_PROG_CC_STDC macro.

Since release 2.70 of GNU Autoconf

> *** AC_PROG_CC_STDC, AC_PROG_CC_C89, AC_PROG_CC_C99 are now obsolete.
>  Applications should use AC_PROG_CC.

Signed-off-by: Andreas Mohr <and@gmx.li>
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
configure.ac