diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index afdf428c37b..213f3d817f1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	PR target/28427
+        * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
+
 2006-07-20  Eric Christopher  <echristo@apple.com>
 
 	PR target/26877
diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h
index 1fe8e4e3f82..957c02eaf31 100644
--- a/gcc/config/i386/cygming.h
+++ b/gcc/config/i386/cygming.h
@@ -310,6 +310,16 @@ extern int i386_pe_dllimport_name_p (const char *);
 #undef	BIGGEST_ALIGNMENT
 #define BIGGEST_ALIGNMENT 128
 
+/* Biggest alignment supported by the object file format of this
+   machine.  Use this macro to limit the alignment which can be
+   specified using the `__attribute__ ((aligned (N)))' construct.  If
+   not defined, the default value is `BIGGEST_ALIGNMENT'.  */
+#undef MAX_OFILE_ALIGNMENT
+/* IMAGE_SCN_ALIGN_8192BYTES is the largest section alignment flag
+   specified in the PECOFF60 spec.  Native MS compiler also limits
+   user-specified alignment to 8192 bytes.  */
+#define MAX_OFILE_ALIGNMENT (8192 * 8)
+
 /* Native complier aligns internal doubles in structures on dword boundaries.  */
 #undef	BIGGEST_FIELD_ALIGNMENT
 #define BIGGEST_FIELD_ALIGNMENT 64