I'm trying to cross-compile Qt5.15 with GCC 9 or GCC 7 since the default (GCC5) have some problem compilating apps that use sqlite.

This is the configure i'm using (not sure that toolchain works in the device)

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.././configure -release -device linux-arm-generic-g++ -device-option CROSS_COMPILE=~/Downloads/Qt/gcc-linaro-7.4.1-2019.02-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf- -sysroot $SYSROOT -opensource -confirm-license -make libs -prefix $INSTALL_DIR -no-use-gold-linker -v -L/opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf -I/opt/rootfs-s5p4418/usr/include -opengl es2 -L/opt/rootfs-s5p4418/lib/arm-linux-gnueabihf



But im getting several errors related to the openGL configuration. Have any one done this cross-compilation under similar characteristics? Is there any guide or something that could help?. I've used some general guides, and some rpi guides but those are not specif.

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> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_setspecific@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `timer_create@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `dlerror@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_key_create@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_join@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `timer_settime@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_mutex_trylock@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `dlclose@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_getspecific@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `timer_delete@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_mutexattr_init@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `dlopen@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_mutexattr_settype@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_mutexattr_destroy@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `dlsym@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `pthread_create@GLIBC_2.4'
> /opt/rootfs-s5p4418/usr/lib/arm-linux-gnueabihf/libGLESv2.so: undefined reference to `clock_gettime@GLIBC_2.4'
> collect2: error: ld returned 1 exit status


Also I've done some simliks that I see was required.

P.D. I'm not able to do rsync since I don't have the device right now, so I must made it with out it.