Index: configure
--- configure.orig
+++ configure
@@ -711,6 +711,7 @@ cat << __HEREDOC__
 #define HAVE_GETDTABLECOUNT ${HAVE_GETDTABLECOUNT}
 #define HAVE_GETEXECNAME ${HAVE_GETEXECNAME}
 #define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
+#define HAVE_IMSG ${HAVE_IMSG}
 #define HAVE_INFTIM ${HAVE_INFTIM}
 #define HAVE_LANDLOCK ${HAVE_LANDLOCK}
 #define HAVE_MEMMEM ${HAVE_MEMMEM}