configure: better support for extvars

[m6w6/ext-psi] / m4 / psi / psi_decl.m4

diff --git a/m4/psi/psi_decl.m4 b/m4/psi/psi_decl.m4
index c5b90decf6b0e9bb499297f3883d8d4a909a6457..ae44e73e89e85fb4440ea2efecd80302f7af666d 100644 (file)
--- a/m4/psi/psi_decl.m4
+++ b/m4/psi/psi_decl.m4
@@ -61,6 +61,7 @@ AC_DEFUN(PSI_DECL_ARGS, [
        m4_case([$2],
                [(void)], [],
                [()], [],
+               [], [],
                [m4_map_args_sep([PSI_DECL_ARG(m4_normalize(], [))], [], m4_bregexp([$2], [(\(.*\))], [\1]))])
 ])