ADDED   aclocal/dc_versionscript.m4
Index: aclocal/dc_versionscript.m4
==================================================================
--- /dev/null
+++ aclocal/dc_versionscript.m4
@@ -0,0 +1,18 @@
+AC_DEFUN(DC_SETVERSIONSCRIPT, [
+	VERSIONSCRIPT="$1"
+
+	SAVE_LDFLAGS="${LDFLAGS}"
+
+	AC_MSG_CHECKING([for how to set version script])
+
+	for addldflags in "-Wl,--version-script -Wl,${VERSIONSCRIPT}"; do
+		LDFLAGS="${SAVE_LDFLAGS} ${addldflags}"
+		AC_TRY_LINK([], [], [
+			AC_MSG_RESULT($addldflags)
+		], [
+			AC_MSG_RESULT([don't know])
+
+			LDFLAGS="${SAVE_LDFLAGS}"
+		])
+	done
+])