Regression: glib does not compile on centos 6: "objcopy: unrecognized option '--add-symbol'"

@pwithnall: I guess that test should be disabled in old versions of gcc as well?

[29/364] Generating test_resources2.o with a custom command.
FAILED: gio/tests/test_resources2.o
objcopy --add-symbol _g_binary_test1_resource_data=.data:0 gio/tests/test_resources.o gio/tests/test_resources2.o
objcopy: unrecognized option '--add-symbol'