build-sys: give recommended configure options for hacking

diff --git a/autogen.sh b/autogen.sh
index 56e61e6..18370ce 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -16,5 +16,14 @@ echo "----------------------------------------------------------------"
 echo "Initialized build system. For a common configuration please run:"
 echo "----------------------------------------------------------------"
 echo
-echo "# ./configure $args"
+echo "# ./configure CFLAGS='-g -O2' \\"
+echo "         $args"
+echo
+
+echo "If you are debugging or hacking on kmod, consider configuring"
+echo "like below:"
+echo
+echo "# ./configure CFLAGS='-g -O2 -Werror' \\"
+echo "         $args \\"
+echo "         --enable-debug"
 echo