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-rw-r--r--libcxx/modules/std/csignal.inc6
1 files changed, 3 insertions, 3 deletions
diff --git a/libcxx/modules/std/csignal.inc b/libcxx/modules/std/csignal.inc
index b57e8ed..05f3986 100644
--- a/libcxx/modules/std/csignal.inc
+++ b/libcxx/modules/std/csignal.inc
@@ -8,11 +8,11 @@
//===----------------------------------------------------------------------===//
export namespace std {
- using std::sig_atomic_t;
+ using std::sig_atomic_t _LIBCPP_USING_IF_EXISTS;
// [support.signal], signal handlers
- using std::signal;
+ using std::signal _LIBCPP_USING_IF_EXISTS;
- using std::raise;
+ using std::raise _LIBCPP_USING_IF_EXISTS;
} // namespace std