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-rw-r--r--shared-core/drm.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/shared-core/drm.h b/shared-core/drm.h
index b97ba098..97fab9a9 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -69,6 +69,12 @@
# define DEPRECATED __attribute__ ((deprecated))
#else
# define DEPRECATED
+# ifndef __FUNCTION__
+# define __FUNCTION__ __func__ /* C99 */
+# endif
+# ifndef __volatile__
+# define __volatile__ volatile
+# endif
#endif
#if defined(__linux__)