Fix: BUILD_BUG_ON with compile time constant on < v2.6.38

[lttng-modules.git] / lib / bug.h

diff --git a/lib/bug.h b/lib/bug.h
index ecd492866a92c15668f416ca47c06ad8db7cd9aa..3de40ca906cc56ab7954395ad363ba5a0e1c4e25 100644 (file)
--- a/lib/bug.h
+++ b/lib/bug.h
@@ -21,6 +21,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
+#define LTTNG_BUILD_BUG_ON(cond) BUILD_BUG_ON(cond)
+#else
+#define LTTNG_BUILD_BUG_ON(cond) MAYBE_BUILD_BUG_ON(cond)
+#endif
+
 /**
  * BUILD_RUNTIME_BUG_ON - check condition at build (if constant) or runtime
  * @condition: the condition which should be false.
@@ -33,7 +41,7 @@
 #define BUILD_RUNTIME_BUG_ON(condition)                                \
        do {                                                    \
                if (__builtin_constant_p(condition))            \
-                       BUILD_BUG_ON(condition);                \
+                       LTTNG_BUILD_BUG_ON(condition);          \
                else                                            \
                        BUG_ON(condition);                      \
        } while (0)