diff -up gtksheet-4.3.12/configure.ac.acflags gtksheet-4.3.12/configure.ac --- gtksheet-4.3.12/configure.ac.acflags 2022-11-16 17:22:57.596221878 +0100 +++ gtksheet-4.3.12/configure.ac 2022-11-16 17:23:03.637268671 +0100 @@ -4,7 +4,6 @@ AC_INIT([GtkSheet], [4.3.12]) AC_LANG([C]) -AC_CONFIG_MACRO_DIR([m4]) # Save this value here, since automake will set cflags later cflags_set=${CFLAGS:+set}