Add AC_CANONICAL_HOST to configure.ac.

This will ensure Automake brings in config.guess and config.sub, in case
they are needed by test cases, although I am not aware of any actual
problems with these being missing at the moment.

diff --git a/configure.ac b/configure.ac
index 35014288f4c49c7446e66a58fea7a8fcc3cf8af4..77a22c1a9cad1bda95c6b0ca5163393c79807f22 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-dnl Copyright © 2015 Nick Bowler
+dnl Copyright © 2015, 2019-2021 Nick Bowler
 dnl
 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
 dnl This is free software: you are free to do what the fuck you want to.
@@ -8,6 +8,9 @@ AC_PREREQ([2.68])
 AC_INIT([dxcommon], [0], [nbowler@draconx.ca])
 AC_CONFIG_SRCDIR([m4/base.m4])
 
+# To ensure automake --add-missing copies config.guess/config.sub
+AC_CANONICAL_HOST
+
 AC_PROG_CC
 AC_PROG_RANLIB