configure: Don't exit on unrecognized options.

1 files changed, 3 insertions, 2 deletions

diff --git a/configure b/configure
index 918db01..41efab2 100755
--- a/configure
+++ b/configure
@@ -249,8 +249,9 @@ parse_options()
 "${_opts}"
 EOF
 		if [ ${?} -ne 0 ]; then
-			printf 'invalid %s name: %s\n' "${_type}" "${_opt}" >&2
-			exit 1
+			printf 'warning: unrecognized %s name: %s\n' \
+				"${_type}" "${_opt}" >&2
+			continue
 		fi
 		if ${_optarg_set}; then
 			_opt="$(printf '%s' "${_opt}" | tr -c '[a-z0-9]' '_')"