From 08ab3a852d01cd7a1530657d099cd5066d747dd5 Mon Sep 17 00:00:00 2001
From: Joakim Verona <joakim@verona.se>
Date: Sun, 8 Jul 2012 17:42:57 +0200
Subject: [PATCH] fixes so xwidgets doesnt pollute a non xwidget build

---
 lisp/xwidget.el |  3 ++-
 src/xdisp.c     | 24 +++++++++++++++++++-----
 src/xwidget.c   |  2 ++
 3 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/lisp/xwidget.el b/lisp/xwidget.el
index d90dca3f755..38b404586e6 100644
--- a/lisp/xwidget.el
+++ b/lisp/xwidget.el
@@ -5,7 +5,8 @@
 ;;; Commentary:
 ;; 
 
-(require 'xwidget-internal)
+;;TODO this breaks compilation when we dont have xwidgets
+;;(require 'xwidget-internal)
 
 ;;TODO model after make-text-button instead!
 ;;; Code:
diff --git a/src/xdisp.c b/src/xdisp.c
index 87e079f8ab1..c06d822de2f 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -23264,7 +23264,7 @@ compute_overhangs_and_x (struct glyph_string *s, int x, int backward_p)
    to allocate glyph strings (because draw_glyphs can be called
    asynchronously).  */
 
-#define BUILD_GLYPH_STRINGS(START, END, HEAD, TAIL, HL, X, LAST_X)	\
+#define BUILD_GLYPH_STRINGS_1(START, END, HEAD, TAIL, HL, X, LAST_X)	\
   do									\
     {									\
       HEAD = TAIL = NULL;						\
@@ -23295,13 +23295,15 @@ compute_overhangs_and_x (struct glyph_string *s, int x, int backward_p)
 	    case IMAGE_GLYPH:						\
 	      BUILD_IMAGE_GLYPH_STRING (START, END, HEAD, TAIL,		\
 					HL, X, LAST_X);			\
-	      break;							\
+	      break;
+              
+#define BUILD_GLYPH_STRINGS_XW(START, END, HEAD, TAIL, HL, X, LAST_X)	\
             case XWIDGET_GLYPH:                                         \
               BUILD_XWIDGET_GLYPH_STRING (START, END, HEAD, TAIL,       \
                                           HL, X, LAST_X);               \
-              break;                                                    \
-                                                                        \
-									\
+              break;
+
+#define BUILD_GLYPH_STRINGS_2(START, END, HEAD, TAIL, HL, X, LAST_X)	\
 	    case GLYPHLESS_GLYPH:					\
 	      BUILD_GLYPHLESS_GLYPH_STRING (START, END, HEAD, TAIL,	\
 					    HL, X, LAST_X);		\
@@ -23320,6 +23322,18 @@ compute_overhangs_and_x (struct glyph_string *s, int x, int backward_p)
     } while (0)
 
 
+#ifdef HAVE_XWIDGETS
+#define BUILD_GLYPH_STRINGS(START, END, HEAD, TAIL, HL, X, LAST_X)	\
+BUILD_GLYPH_STRINGS_1(START, END, HEAD, TAIL, HL, X, LAST_X)	\
+BUILD_GLYPH_STRINGS_XW(START, END, HEAD, TAIL, HL, X, LAST_X)	\
+BUILD_GLYPH_STRINGS_2(START, END, HEAD, TAIL, HL, X, LAST_X)
+#else
+#define BUILD_GLYPH_STRINGS(START, END, HEAD, TAIL, HL, X, LAST_X)	\
+BUILD_GLYPH_STRINGS_1(START, END, HEAD, TAIL, HL, X, LAST_X)	\
+BUILD_GLYPH_STRINGS_2(START, END, HEAD, TAIL, HL, X, LAST_X)
+#endif 
+
+        
 /* Draw glyphs between START and END in AREA of ROW on window W,
    starting at x-position X.  X is relative to AREA in W.  HL is a
    face-override with the following meaning:
diff --git a/src/xwidget.c b/src/xwidget.c
index b43cc14a791..6718f4a14c7 100644
--- a/src/xwidget.c
+++ b/src/xwidget.c
@@ -1,3 +1,4 @@
+#ifdef HAVE_XWIDGETS
 #include <config.h>
 
 #include <signal.h>
@@ -1451,3 +1452,4 @@ xwidget_end_redisplay (struct window *w, struct glyph_matrix *matrix)
         }
     }
 }
+#endif
-- 
2.39.5