Port to 32-bit Sun C 5.12 sparc

* make-docfile.c (close_emacs_globals): Align lispsym to GCALIGNMENT.
The alignment is required on all platforms; it just happens to have
been properly aligned on the previous platforms we tested.

lib-src/ChangeLog

+2015-01-10  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Port to 32-bit Sun C 5.12 sparc
+	* make-docfile.c (close_emacs_globals): Align lispsym to GCALIGNMENT.
+	The alignment is required on all platforms; it just happens to have
+	been properly aligned on the previous platforms we tested.
+
 2015-01-05  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Use 0 for Qnil

lib-src/make-docfile.c

@@ -635,7 +635,7 @@ close_emacs_globals (int num_symbols)
 	   "#ifndef DEFINE_SYMBOLS\n"
 	   "extern\n"
 	   "#endif\n"
-	   "struct Lisp_Symbol lispsym[%d];\n"),
+	   "struct Lisp_Symbol alignas (GCALIGNMENT) lispsym[%d];\n"),
 	  num_symbols);
 }
 

src/lisp.h

@@ -233,8 +233,8 @@ extern bool suppress_checking EXTERNALLY_VISIBLE;
 
    USE_LSB_TAG not only requires the least 3 bits of pointers returned by
    malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
-   on the few static Lisp_Objects used: all the defsubr as well
-   as the two special buffers buffer_defaults and buffer_local_symbols.  */
+   on the few static Lisp_Objects used: lispsym, all the defsubr, and
+   the two special buffers buffer_defaults and buffer_local_symbols.  */
 
 enum Lisp_Bits
   {