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-rw-r--r--libstdc++-v3/include/std/mutex9
1 files changed, 6 insertions, 3 deletions
diff --git a/libstdc++-v3/include/std/mutex b/libstdc++-v3/include/std/mutex
index e327f28c1dd..67f34185deb 100644
--- a/libstdc++-v3/include/std/mutex
+++ b/libstdc++-v3/include/std/mutex
@@ -45,12 +45,13 @@
#include <bits/gthr.h>
#include <bits/move.h> // for std::swap
-#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
+#ifdef _GLIBCXX_USE_C99_STDINT_TR1
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
+#ifdef _GLIBCXX_HAS_GTHREADS
// Common base class for std::mutex and std::timed_mutex
class __mutex_base
{
@@ -384,6 +385,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
};
#endif
+#endif // _GLIBCXX_HAS_GTHREADS
/// Do not acquire ownership of the mutex.
struct defer_lock_t { };
@@ -719,6 +721,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
}
+#ifdef _GLIBCXX_HAS_GTHREADS
/// once_flag
struct once_flag
{
@@ -790,12 +793,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (__e)
__throw_system_error(__e);
}
+#endif // _GLIBCXX_HAS_GTHREADS
// @} group mutexes
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-
-#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
+#endif // _GLIBCXX_USE_C99_STDINT_TR1
#endif // C++11