gui compilation doesn't find opengl includes

shlomiag

Hi

I'm cross compiling qt5.7 from the sources and stuck on an include issue.
when the gui module compiles, it fails to find GLES3/gl3.h file, even though the file exists in several dirs.
The command that fails is:

/home/shlomi/buildroot-2016.05/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf-g++ -c -pipe -march=armv7-a -marm -mthumb-interwork -mfpu=neon-vfpv4 -mtune=cortex-a7 -mabi=aapcs-linux -mfloat-abi=hard -O3 -std=c++1y -fvisibility=hidden -fvisibility-inlines-hidden -D_REENTRANT -fno-exceptions -Wall -W -Wvla -fPIC -DQT_NO_MTDEV -DQT_NO_LIBUDEV -DQT_NO_TSLIB -DQT_NO_LIBINPUT -DQT_NO_USING_NAMESPACE -DPNG_ARM_NEON_OPT=0 -DQT_ENABLE_HARFBUZZ_NG -DENABLE_PIXMAN_DRAWHELPERS -DQT_BUILD_GUI_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_NO_DEBUG -DQT_CORE_LIB -DQT_CORE_LIB -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -I. -I../3rdparty/libpng -I../3rdparty/zlib -I../3rdparty/harfbuzz-ng/include -I../3rdparty/zlib -I../../include -I../../include/QtGui -I../../include/QtGui/5.7.0 -I../../include/QtGui/5.7.0/QtGui -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux -I../../include/QtCore/5.7.0 -I../../include/QtCore/5.7.0/QtCore -I../../include/QtCore -I.moc -I../../mkspecs/devices/linux-rasp-pi2-g++ -o .obj/qwindowsysteminterface.o kernel/qwindowsysteminterface.cpp

if I add to the include manually

-I../3rdparty/angle/include/

then compilation of this specific file succeeds.
what is the best way to fix it?

This was my configure cmd:

./configure \
-release \
-opengl es2 \
-optimized-qmake \
-no-pch \
-make libs \
-make tools \
-reduce-exports \
-device linux-rasp-pi2-g++ \
-device-option CROSS_COMPILE=/home/shlomi/buildroot-2016.05/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf- \
-prefix /home/shlomi/buildroot-2016.05/output/target/usr/local/qt5.7 \
-opensource -nomake examples -nomake tests \
-confirm-license

shlomiag

solved it by doing:

sudo apt-get install mesa-common-dev

and by removing and copying over src/gui dir