RaspberryPi2EGLFS

MihaiJunior

Hello, I just started the guide for cross-compile https://wiki.qt.io/RaspberryPi2EGLFS
and at step 10 after introducing the command:
./configure -release -opengl es2 -device linux-rasp-pi2-g++ -device-option CROSS_COMPILE=~/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf- -sysroot ~/raspi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix ~/raspi/qt5pi -hostprefix ~/raspi/qt5 -v
I get this:
<srcbase> = /home/mihai/Desktop/raspi/qtbase
<bldbase> = /home/mihai/Desktop/raspi/qtbase
<outbase> = /home/mihai/Desktop/raspi/qtbase
Creating qmake...
make: Nothing to be done for 'first'.
Command line: -release -opengl es2 -device linux-rasp-pi2-g++ -device-option CROSS_COMPILE=/home/mihai/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf- -sysroot /home/mihai/raspi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix /home/mihai/raspi/qt5pi -hostprefix /home/mihai/raspi/qt5 -v
Project ERROR: Cannot run target compiler '/home/mihai/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++'. Output:

===================
Maybe you forgot to setup the environment?

Can someoane help me about solving this :D?

jsulm

@MihaiJunior said in RaspberryPi2EGLFS:

/home/mihai/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++

Does this exist and is executable?

MihaiJunior

Yes, it exists but I can't run it when I doubleclick it.

jsulm

@MihaiJunior You should run it in a terminal and not double click, it's not a GUI application...

MihaiJunior

./arm-linux-gnueabihf-g++
arm-linux-gnueabihf-g++: fatal error: no input files
compilation terminated.

This is the result after run it in terminal.

jsulm

@MihaiJunior You should rather try whole path to make sure it is correct: /home/mihai/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++

MihaiJunior

@jsulm said in RaspberryPi2EGLFS:

/home/mihai/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++

I am already in the path:
~/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin$

jsulm

@MihaiJunior It's not the same path:

/home/mihai/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++
~/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin

You're in Desktop but the in the compiler path there is no Desktop directory.
So please make sure exact same path as called during configure is valid and executable.

MihaiJunior

Result: No such file or directory
Is there any method we can share screens and you might help me?

jsulm

@MihaiJunior said in RaspberryPi2EGLFS:

Is there any method we can share screens and you might help me?

No, and I'm not going to do this anyway.
It looks like you're passing wrong path to configure:

CROSS_COMPILE=~/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf

MihaiJunior

I change it and I have the same result :(

./configure -release -opengl es2 -device linux-rasp-pi2-g++ -device-option CROSS_COMPILE=home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf- -sysroot ~/raspi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix ~/raspi/qt5pi -hostprefix ~/raspi/qt5 -v
<srcbase> = /home/mihai/Desktop/raspi/qtbase
<bldbase> = /home/mihai/Desktop/raspi/qtbase
<outbase> = /home/mihai/Desktop/raspi/qtbase
Creating qmake...
make: Nothing to be done for 'first'.
Command line: -release -opengl es2 -device linux-rasp-pi2-g++ -device-option CROSS_COMPILE=home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf- -sysroot /home/mihai/raspi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix /home/mihai/raspi/qt5pi -hostprefix /home/mihai/raspi/qt5 -v
Project ERROR: Cannot run target compiler 'home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++'. Output:

===================
Maybe you forgot to setup the environment?

jsulm

@MihaiJunior said in RaspberryPi2EGLFS:

CROSS_COMPILE=home/mihai

you forgot / in front of home...

MihaiJunior

Same result...

MihaiJunior

Still unsolved, I'm open to any method that cand solve this

MihaiJunior

Update !!!:

I changed the command into:

./configure -release -opengl es2 -device linux-rasp-pi2-g++ -device-option CROSS_COMPILE=/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf- -sysroot ~/raspi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix ~/raspi/qt5pi -hostprefix ~/raspi/qt5 -v -no-use-gold-linker

And now I have this result with the following error:

<srcbase> = /home/mihai/Desktop/raspi/qtbase
<bldbase> = /home/mihai/Desktop/raspi/qtbase
<outbase> = /home/mihai/Desktop/raspi/qtbase
Creating qmake...
make: Nothing to be done for 'first'.
Command line: -release -opengl es2 -device linux-rasp-pi2-g++ -device-option CROSS_COMPILE=/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf- -sysroot /home/mihai/raspi/sysroot -opensource -confirm-license -make libs -prefix /usr/local/qt5pi -extprefix /home/mihai/raspi/qt5pi -hostprefix /home/mihai/raspi/qt5 -v -no-use-gold-linker

This is the Qt Open Source Edition.

You have already accepted the terms of the Open Source license.

Running configuration tests...

/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++ -dumpmachine

arm-linux-gnueabihf
Checking for valid makespec...

cd /home/mihai/Desktop/raspi/qtbase/config.tests/verifyspec && /home/mihai/Desktop/raspi/qtbase/bin/qmake "CONFIG -= qt debug_and_release app_bundle lib_bundle" "CONFIG += shared warn_off console single_arch" "QMAKE_CFLAGS += --sysroot=/home/mihai/raspi/sysroot" "QMAKE_CXXFLAGS += --sysroot=/home/mihai/raspi/sysroot" "QMAKE_LFLAGS += --sysroot=/home/mihai/raspi/sysroot" -early "CONFIG += cross_compile" /home/mihai/Desktop/raspi/qtbase/config.tests/verifyspec
cd /home/mihai/Desktop/raspi/qtbase/config.tests/verifyspec && MAKEFLAGS= /usr/bin/make clean && MAKEFLAGS= /usr/bin/make

rm -f verifyspec.o
rm -f *~ core *.core
/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++ -c -pipe -march=armv7-a -marm -mthumb-interwork -mfpu=neon-vfpv4 -mtune=cortex-a7 -mabi=aapcs-linux -mfloat-abi=hard --sysroot=/home/mihai/raspi/sysroot -O2 -std=gnu++11 -w -fPIC -I. -I/home/mihai/Desktop/raspi/qtbase/mkspecs/devices/linux-rasp-pi2-g++ -o verifyspec.o verifyspec.cpp
/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++ -mfloat-abi=hard --sysroot=/home/mihai/raspi/sysroot -Wl,-O1 -Wl,-rpath-link,/home/mihai/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/mihai/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/mihai/raspi/sysroot/lib/arm-linux-gnueabihf -o verifyspec verifyspec.o
/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/../lib/gcc/arm-linux-gnueabihf/4.8.3/../../../../arm-linux-gnueabihf/bin/ld: cannot find crt1.o: No such file or directory
/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/../lib/gcc/arm-linux-gnueabihf/4.8.3/../../../../arm-linux-gnueabihf/bin/ld: cannot find crti.o: No such file or directory
/home/mihai/Desktop/raspi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/../lib/gcc/arm-linux-gnueabihf/4.8.3/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lm
collect2: error: ld returned 1 exit status
make: *** [Makefile:69: verifyspec] Error 1
Note: Also available for Linux: linux-clang linux-icc

ERROR: Cannot compile a minimal program. The toolchain or QMakeSpec is broken.

jsulm

@MihaiJunior Is the path to sysroot correct and does it contain the sysroot?
~/raspi/sysroot

MihaiJunior

I change it and it work and after few minutes of instalation i got this:
/home/mihai/Desktop/raspi/qtbase/lib/libQt5EglSupport.a(qeglplatformcontext.o): In function QEGLPlatformContext::getProcAddress(char const*)': qeglplatformcontext.cpp:(.text+0xa4): undefined reference to dlsym'
collect2: error: ld returned 1 exit status
make[5]: *** [Makefile.eglfsdeviceintegration:252: ../../../../lib/libQt5EglFSDeviceIntegration.so.5.12.5] Error 1
make[5]: Leaving directory '/home/mihai/Desktop/raspi/qtbase/src/plugins/platforms/eglfs'
make[4]: *** [Makefile:62: sub-eglfsdeviceintegration-pro-install_subtargets-ordered] Error 2
make[4]: Leaving directory '/home/mihai/Desktop/raspi/qtbase/src/plugins/platforms/eglfs'
make[3]: *** [Makefile:114: sub-eglfs-install_subtargets] Error 2
make[3]: Leaving directory '/home/mihai/Desktop/raspi/qtbase/src/plugins/platforms'
make[2]: *** [Makefile:90: sub-platforms-install_subtargets] Error 2
make[2]: Leaving directory '/home/mihai/Desktop/raspi/qtbase/src/plugins'
make[1]: *** [Makefile:844: sub-plugins-install_subtargets] Error 2
make[1]: Leaving directory '/home/mihai/Desktop/raspi/qtbase/src'
make: *** [Makefile:63: sub-src-install_subtargets] Error 2

MihaiJunior

@jsulm @Lifetime-Qt-Champion , any ideas?

MihaiJunior

On the instructions found here: https://wiki.qt.io/RaspberryPi2EGLFS , I saw this "You probably also want to add -jn option to make command, where n is a number of cores you like to use for the complication." Could this be the reason? Can someoane tell where to add this -jn and what value for n?

jsulm

@MihaiJunior -jn will for sure not solve your issue. What it does is: compile on n CPU cores to speed up compilation. It is a parameter for make.