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-rw-r--r--include/linux/compiler-gcc3.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
new file mode 100644
index 000000000..7d89febe4
--- /dev/null
+++ b/include/linux/compiler-gcc3.h
@@ -0,0 +1,23 @@
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#if GCC_VERSION < 30200
+# error Sorry, your compiler is too old - please upgrade it.
+#endif
+
+#if GCC_VERSION >= 30300
+# define __used __attribute__((__used__))
+#else
+# define __used __attribute__((__unused__))
+#endif
+
+#if GCC_VERSION >= 30400
+#define __must_check __attribute__((warn_unused_result))
+#endif
+
+#ifdef CONFIG_GCOV_KERNEL
+# if GCC_VERSION < 30400
+# error "GCOV profiling support for gcc versions below 3.4 not included"
+# endif /* __GNUC_MINOR__ */
+#endif /* CONFIG_GCOV_KERNEL */