From 408bf21a8c8b5bf5a78785608255463ad1038871 Mon Sep 17 00:00:00 2001
From: Robert Pluim <rpluim@gmail.com>
Date: Tue, 3 Apr 2018 11:06:01 +0200
Subject: Ignore color fonts when using Xft

* src/font.c (syms_of_font): New configuration variable
xft-ignore-color-fonts, default t.
* src/ftfont.c (ftfont_spec_pattern): Tell fontconfig to ignore
color fonts if xft-ignore-color-fonts is t.  (Bug#30874, Bug#30045)
* etc/NEWS: Document xft-ignore-color-fonts.
---
 src/ftfont.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/ftfont.c')

diff --git a/src/ftfont.c b/src/ftfont.c
index c2e093e633d..24a92dd52e8 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -764,6 +764,13 @@ ftfont_spec_pattern (Lisp_Object spec, char *otlayout, struct OpenTypeSpec **ots
   if (scalable >= 0
       && ! FcPatternAddBool (pattern, FC_SCALABLE, scalable ? FcTrue : FcFalse))
     goto err;
+#ifdef HAVE_XFT
+  /* We really don't like color fonts, they cause Xft crashes.  See
+     Bug#30874.  */
+  if (Vxft_ignore_color_fonts
+      && ! FcPatternAddBool(pattern, FC_COLOR, FcFalse))
+    goto err;
+#endif
 
   goto finish;
 
-- 
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