commit 1c55b953512e802e518f22049ddd3891e702d541
from: Omar Polo <op@omarpolo.com>
date: Mon Mar 29 12:42:04 2021 UTC

require c99

commit - 155dac7fa72cb00a5b47bb93b80a47ef75362ce5
commit + 1c55b953512e802e518f22049ddd3891e702d541
blob - 63c29d042a847c9f5de18ec716abbd1f8e5687d7
blob + 34e6a1ebb0f173958505edca9c546efa516973e9
--- configure.ac
+++ configure.ac
@@ -1,7 +1,7 @@
 AC_INIT([telescope], [0.1], [telescope@omarpolo.com], [telescope], [gemini://telescope.omarpolo.com])
 AC_CONFIG_LIBOBJ_DIR(compat)
 AM_INIT_AUTOMAKE([-Wall foreign subdir-objects])
-AC_PROG_CC
+AC_PROG_CC_C99
 AC_USE_SYSTEM_EXTENSIONS
 
 PKG_PROG_PKG_CONFIG