$NetBSD$

Use = in place of bash specific ==

--- scripts/configure.orig	2024-08-24 16:55:05.656786126 +0000
+++ scripts/configure
@@ -7769,7 +7769,7 @@ else
 fi
 
 ${ECHO_N} "Python3:    "
-if test "${HAVE_PYTHON3}" == "yes"; then
+if test "${HAVE_PYTHON3}" = "yes"; then
    echo "yes"
 else
    echo "no"
