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-rw-r--r--quantum/compiler_support.h15
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+// Copyright 2025 QMK Contributors
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/**
+ * @brief Perfom an assertion at compile time.
+ *
+ * `_Static_assert` is C<23, while `static_assert` is C++/C23.
+ */
+#if !defined(STATIC_ASSERT)
+# ifdef __cplusplus
+# define STATIC_ASSERT static_assert
+# else
+# define STATIC_ASSERT _Static_assert
+# endif
+#endif