diff options
Diffstat (limited to 'mkspecs/devices/linux-rasp-pi4-v3d-g++/qmake.conf')
-rw-r--r-- | mkspecs/devices/linux-rasp-pi4-v3d-g++/qmake.conf | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/mkspecs/devices/linux-rasp-pi4-v3d-g++/qmake.conf b/mkspecs/devices/linux-rasp-pi4-v3d-g++/qmake.conf new file mode 100644 index 0000000000..69b0c761a8 --- /dev/null +++ b/mkspecs/devices/linux-rasp-pi4-v3d-g++/qmake.conf @@ -0,0 +1,40 @@ +# qmake configuration for the Raspberry Pi 4 (32-bit) using the Mesa V3D +# graphics stack. (not the Broadcom stack) +# +# This supports accelerated OpenGL both for X11 and DRM/KMS. Perhaps +# Wayland too. +# +# Tested with a sysroot created from Raspbian Buster and a gcc 7.4 +# toolchain from Linaro. +# +# Example configure command line, assuming installation to +# /usr/local/qt5pi on device and ~/rpi/qt5 on the host: +# +# ./configure -release -opengl es2 -device linux-rasp-pi4-v3d-g++ -device-option CROSS_COMPILE=~/rpi/gcc-linaro-7.4.1-2019.02-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf- \ +# -sysroot ~/rpi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix ~/rpi/qt5 -v +# +# Check the configure output carefully. EGLFS, EGLFS GBM, and EGL on X11 +# should all be 'yes'. Otherwise something is wrong. +# +# If getting linker errors like "undefined reference to `_dl_stack_flags'" check the +# symlinks in the sysroot, they were probably not adjusted +# correctly. F.ex. sysroot/usr/lib/arm-linux-gnueabihf/libpthread.so must point to +# sysroot/lib/arm-linux-gnueabihf/libpthread.so.0. If it is a broken link instead, bad +# things will happen. + +include(../common/linux_device_pre.conf) + +QMAKE_LIBS_EGL += -lEGL +QMAKE_LIBS_OPENGL_ES2 += -lGLESv2 -lEGL + +QMAKE_CFLAGS = -march=armv8-a -mtune=cortex-a72 -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) |