From: Nick Clifton <nickc@redhat.com>
Date: Wed, 6 Dec 2006 18:08:51 +0000 (+0000)
Subject: * ansidecl.h (ATTRIBUTE_PACKED): Define.
X-Git-Tag: releases/gcc-4.3.0~8098
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0307c64eea66674bd3dd9a42fed80cf748e2acf8;p=thirdparty%2Fgcc.git

* ansidecl.h (ATTRIBUTE_PACKED): Define.

From-SVN: r119587
---

diff --git a/include/ChangeLog b/include/ChangeLog
index 017d3fd30b5c..572f45ad7717 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+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>
 
diff --git a/include/ansidecl.h b/include/ansidecl.h
index a1a765d63f32..16adc47a1bfa 100644
--- a/include/ansidecl.h
+++ b/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.  */