@@ -17,8 +17,17 @@
 
 OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstString -fobjc-exceptions"
 
 BUILDSYS_SHARED_LIB
 
+AC_CHECK_LIB(objc, sel_get_name,
+	[AC_DEFINE(HAVE_SEL_GET_NAME, 1, [Whether we have sel_get_name])])
+AC_CHECK_LIB(objc, sel_getName,
+	[AC_DEFINE(HAVE_SEL_GETNAME, 1, [Whether we have sel_getName])])
+
+test x"$have_sel_name" = x"no" -a x"$have_selname" = x"no" && \
+	AC_ERROR(You need either sel_get_name or sel_getName in libobjc!)
+
 AC_SUBST(PACKAGE, objfw)
 AC_CONFIG_FILES(buildsys.mk)
+AC_CONFIG_HEADERS(config.h)
 AC_OUTPUT