* ansidecl.h (ATTRIBUTE_PACKED): Define.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119587 138bc75d-0d04-0410-961f-82ee72b054a4

include/ChangeLog

+2006-12-06  Nick Clifton  <nickc@redhat.com>
+
+	* ansidecl.h (ATTRIBUTE_PACKED): Define.
+
 2006-11-30  Andrew Stubbs  <andrew.stubbs@st.com>
             J"orn Rennecke <joern.rennecke@st.com>
 

include/ansidecl.h

@@ -361,6 +361,12 @@ So instead we use the macro below and test it against specific values.  */
 # endif /* GNUC >= 3.0 */
 #endif /* ATTRIBUTE_ALIGNED_ALIGNOF */
 
+/* Useful for structures whose layout must much some binary specification
+   regardless of the alignment and padding qualities of the compiler.  */
+#ifndef ATTRIBUTE_PACKED
+# define ATTRIBUTE_PACKED __attribute__ ((packed))
+#endif
+
 /* We use __extension__ in some places to suppress -pedantic warnings
    about GCC extensions.  This feature didn't work properly before
    gcc 2.8.  */