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-rw-r--r--include/libipset/ip_set_compiler.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/libipset/ip_set_compiler.h b/include/libipset/ip_set_compiler.h
new file mode 100644
index 0000000..1b392f8
--- /dev/null
+++ b/include/libipset/ip_set_compiler.h
@@ -0,0 +1,15 @@
+#ifndef __IP_SET_COMPILER_H
+#define __IP_SET_COMPILER_H
+
+/* Compiler attributes */
+#ifndef __has_attribute
+# define __has_attribute(x) __GCC4_has_attribute_##x
+# define __GCC4_has_attribute___fallthrough__ 0
+#endif
+
+#if __has_attribute(__fallthrough__)
+# define fallthrough __attribute__((__fallthrough__))
+#else
+# define fallthrough do {} while (0) /* fallthrough */
+#endif
+#endif /* __IP_SET_COMPILER_H */