Add a macro to indicate deprecation

This will generate a warning on gcc and compatible (clang, icc),
and do nothing with other compilers.  There is a separate macro
for enum variables, because gcc did not support deprecating them
until version 6.

Signed-off-by: Mark Thompson <sw@jkqxz.net>

diff --git a/va/va.h b/va/va.h
index 9404c35..3a4e411 100644 (file)
--- a/va/va.h
+++ b/va/va.h
@@ -86,6 +86,18 @@
 extern "C" {
 #endif
 
+#ifdef __GNUC__
+#define va_deprecated __attribute__((deprecated))
+#if __GNUC__ >= 6
+#define va_deprecated_enum va_deprecated
+#else
+#define va_deprecated_enum
+#endif
+#else
+#define va_deprecated
+#define va_deprecated_enum
+#endif
+
 /**
  * \mainpage Video Acceleration (VA) API
  *