diff --git a/configure.ac b/configure.ac
index d40185a5..85c5a8a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -101,6 +101,9 @@ case $host_os in
 	cygwin* )
 		print_os="Cygwin"
 		;;
+	mingw* )
+		print_os="MinGW"
+		;;
 	freebsd* )
 		print_os="FreeBSD"
 		;;
@@ -124,6 +127,9 @@ case $host_cpu in
 	x86_64 )
 		print_cpu="Opteron"
 		;;
+	aarch64 )
+		print_cpu="ARM64"
+		;;
 	alpha* )
 		print_cpu="Alpha"
 		;;