#include <ext/atomicity.h>
-_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
+namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
#if ( defined(__mc68020__) || defined(__mc68030__) \
|| defined(__mc68040__) || defined(__mc68060__) ) \
__exchange_and_add(__mem, __val);
}
-_GLIBCXX_END_NAMESPACE
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace