From 6f6d1f6ff788b6fac2a137ecbd41762f9976f42d Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Tue, 14 Apr 2020 19:16:07 -0400
Subject: Issue #1516 - Part 1: Add a global build define to determine if the
 client can draw in the titlebar and update consumers of the local define

---
 old-configure.in | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'old-configure.in')

diff --git a/old-configure.in b/old-configure.in
index 86cf2ae18..f1ee5d368 100644
--- a/old-configure.in
+++ b/old-configure.in
@@ -2167,6 +2167,7 @@ MOZ_LDAP_XPCOM=
 MOZ_MORK=
 MOZ_MAPI_SUPPORT=
 MOZ_INCOMPLETE_EXTERNAL_LINKAGE=
+MOZ_CAN_DRAW_IN_TITLEBAR=
 
 case "$target_os" in
     mingw*)
@@ -2815,6 +2816,22 @@ fi
 
 AC_SUBST(MOZ_MAPI_SUPPORT)
 
+dnl ========================================================
+dnl = Client drawing in titlebar
+dnl ========================================================
+if test -n "$MOZ_CAN_DRAW_IN_TITLEBAR"; then
+    case "$OS_TARGET" in
+    WINNT|Darwin)
+        AC_DEFINE(MOZ_CAN_DRAW_IN_TITLEBAR)
+        ;;
+    *)
+        AC_MSG_ERROR([Drawing in the titlebar is only supported on Windows and Macintosh targets])
+        ;;
+    esac
+fi
+
+AC_SUBST(MOZ_CAN_DRAW_IN_TITLEBAR)
+
 dnl ========================================================
 dnl = Enable WebRTC code
 dnl ========================================================
-- 
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