Introduce RPI3 aarch32 mkspec

Change-Id: Ia76f7f5b1793a16ac17285d19429f70d722675cf
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

mkspecs/devices/linux-rpi3-g++/qmake.conf

@@ -0,0 +1,41 @@
+# qmake configuration for the Raspberry Pi 3
+
+include(../common/linux_device_pre.conf)
+
+# I consider it a bug that this is required, but our EGL config.test _requires_ it
+QMAKE_LFLAGS           += -Wl,-rpath-link,$$[QT_SYSROOT]/opt/vc/lib
+
+VC_LIBRARY_PATH         = /opt/vc/lib
+VC_INCLUDE_PATH         = =/opt/vc/include
+
+# terrible, they do not appear to resolve "=" in rpath!
+VC_LINK_LINE            = -L=$${VC_LIBRARY_PATH} -Wl,-rpath-link,$$[QT_SYSROOT]$${VC_LIBRARY_PATH}
+
+QMAKE_LIBDIR_OPENGL_ES2 = =$${VC_LIBRARY_PATH}
+QMAKE_LIBDIR_EGL        = $$QMAKE_LIBDIR_OPENGL_ES2
+QMAKE_LIBDIR_OPENVG     = $$QMAKE_LIBDIR_OPENGL_ES2
+
+QMAKE_INCDIR_EGL        = \
+                        $${VC_INCLUDE_PATH} \
+                        $${VC_INCLUDE_PATH}/interface/vcos/pthreads \
+                        $${VC_INCLUDE_PATH}/interface/vmcs_host/linux
+
+QMAKE_INCDIR_OPENGL_ES2 = $${QMAKE_INCDIR_EGL}
+
+QMAKE_LIBS_OPENGL_ES2   = $${VC_LINK_LINE} -lGLESv2
+
+# The official opt vc EGL references GLESv2 symbols: need to link it
+QMAKE_LIBS_EGL          = $${VC_LINK_LINE} -lEGL -lGLESv2
+
+# We deliberately override the existing Qt CFLAGS as they might be problematic
+QMAKE_CFLAGS            = -march=armv8-a+crc -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8 -pipe -Os -mthumb
+QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS -std=c++1z
+
+DISTRO_OPTS            += hard-float
+DISTRO_OPTS            += deb-multi-arch
+
+EGLFS_DEVICE_INTEGRATION= eglfs_brcm
+
+include(../common/linux_arm_device_post.conf)
+
+load(qt_config)

mkspecs/devices/linux-rpi3-g++/qplatformdefs.h

@@ -0,0 +1,34 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the qmake spec of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "../../linux-g++/qplatformdefs.h"