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# qmake configuration for the Raspberry Pi 3 (32-bit) using the
# *experimental* VC4 driver for Mesa and DRM.
#
# This should allow accelerated EGL and OpenGL with eglfs via
# KMS/DRM/GBM (instead of the Broadcom-specific backend), under X11
# with xcb, and also enables (Qt)Wayland via the standard wayland-egl
# path. See https://dri.freedesktop.org/wiki/VC4
#
# Note that this is not the same as the default, Broadcom proprietary
# driver. Some functionality and extensions may therefore be missing,
# in particular when it comes to accelerated multimedia (video,
# camera).
#
# At the time of writing Raspbian has to be switched explicitly to the
# experimental VC4 driver. To do this, run raspi-config and enable it
# in Advanced Options -> GL Driver.
#
# Example configure command below. We disable using the GNU gold
# linker as it apparently has issues with ARMv8. In the configure
# output check that "EGLFS GBM .......... yes" is present, otherwise
# eglfs will not be functional.
#
# ./configure -release -opengl es2 -device linux-rpi3-vc4-g++ \
# -device-option CROSS_COMPILE=~/raspbian/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf- \
# -sysroot ~/raspbian/sysroot \
# -prefix /usr/local/qt5pi -extprefix ~/raspbian/qt5pi -hostprefix ~/raspbian/qt5 \
# -v -nomake examples -nomake tests -no-use-gold-linker
include(../common/linux_device_pre.conf)
QMAKE_LIBS_EGL += -lEGL
QMAKE_LIBS_OPENGL_ES2 += -lGLESv2 -lEGL
QMAKE_CFLAGS = -march=armv8-a -mtune=cortex-a53 -mfpu=crypto-neon-fp-armv8
QMAKE_CXXFLAGS = $$QMAKE_CFLAGS
DISTRO_OPTS += hard-float
DISTRO_OPTS += deb-multi-arch
EGLFS_DEVICE_INTEGRATION = eglfs_kms
include(../common/linux_arm_device_post.conf)
load(qt_config)
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