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.

3 files changed, 10 insertions, 3 deletions

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index 9a1fc7a3e9f..ec4d16aaabe 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,10 @@
+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
diff --git a/lib-src/make-docfile.c b/lib-src/make-docfile.c
index 22c4bad2e3f..7c5c4bcb865 100644
--- a/lib-src/make-docfile.c
+++ b/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);
 }
 
diff --git a/src/lisp.h b/src/lisp.h
index 9819e0746d5..ab72bf158a4 100644
--- a/src/lisp.h
+++ b/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
   {