--- /dev/null
+diff --git a/setup.py b/setup.py
+index 7868b7b..544fa7e 100644
+--- a/setup.py
++++ b/setup.py
+@@ -452,8 +452,9 @@ class PyBuildExt(build_ext):
+ # directly since an inconsistently reproducible issue comes up where
+ # the environment variable is not set even though the value were passed
+ # into configure and stored in the Makefile (issue found on OS X 10.3).
++ rt_lib_dirs = [] if cross_compiling else self.compiler.runtime_library_dirs
+ for env_var, arg_name, dir_list in (
+- ('LDFLAGS', '-R', self.compiler.runtime_library_dirs),
++ ('LDFLAGS', '-R', rt_lib_dirs),
+ ('LDFLAGS', '-L', self.compiler.library_dirs),
+ ('CPPFLAGS', '-I', self.compiler.include_dirs)):
+ env_val = sysconfig.get_config_var(env_var)