forked from mirrors/gecko-dev
30 lines
1.3 KiB
C
30 lines
1.3 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Types.h"
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#include <gdk/gdk.h>
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// Dummy call to gtk3 library to prevent the linker from removing
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// the gtk3 dependency with --as-needed.
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// see toolkit/library/moz.build for details.
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MOZ_EXPORT void mozgtk_linker_holder() { gdk_display_get_default(); }
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#ifdef MOZ_X11
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# include <X11/Xlib.h>
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// Bug 1271100
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// We need to trick system Cairo into not using the XShm extension due to
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// a race condition in it that results in frequent BadAccess errors. Cairo
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// relies upon XShmQueryExtension to initially detect if XShm is available.
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// So we define our own stub that always indicates XShm not being present.
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// mozgtk loads before libXext/libcairo and so this stub will take priority.
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// Our tree usage goes through xcb and remains unaffected by this.
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//
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// This is also used to force libxul to depend on the mozgtk library. If we
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// ever can remove this workaround for system Cairo, we'll need something
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// to replace it for that purpose.
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MOZ_EXPORT Bool XShmQueryExtension(Display* aDisplay) { return False; }
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#endif
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