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abhiTronix / raspberry-pi-cross-compilers

Latest GCC Cross Compiler & Native (ARM & ARM64) CI generated precompiled standalone toolchains for all Raspberry Pis. 🍇
https://sourceforge.net/projects/raspberry-pi-cross-compilers
GNU General Public License v3.0
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[Resolved] Cannot find crt1.o #27

Closed gfplab-scaffardi closed 4 years ago

gfplab-scaffardi commented 5 years ago

Hi there! Thank you for your work. I am trying to use the armv6 gcc 8.3 toolchain to cross compile QTfor rpi zero (rpi0w) target. I followed the wiki and installed. I can build an example program but if i configure QT it gives me problems while trying to build their sample programs. The logs report this error:

arm-linux-gnueabihf-g++ -mfloat-abi=hard --sysroot=/home/parallels/raspi/sysroot --sysroot=/home/parallels/raspi/sysroot -Wl,-O1 -Wl,-rpath-link,/home/parallels/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf -o verifyspec verifyspec.o -v Using built-in specs. COLLECT_GCC=arm-linux-gnueabihf-g++ COLLECT_LTO_WRAPPER=/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/lto-wrapper Target: arm-linux-gnueabihf Configured with: ../configure --prefix= --target=arm-linux-gnueabihf --enable-languages=c,c++,fortran --with-sysroot=/arm-linux-gnueabihf/libc --with-build-sysroot=/opt/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc --with-arch=armv6 --with-fpu=vfp --with-float=hard --disable-multilib Thread model: posix gcc version 8.3.0 (GCC) COMPILER_PATH=/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/:/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/:/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ LIBRARY_PATH=/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/:/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/:/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/:/home/parallels/raspi/sysroot/lib/:/home/parallels/raspi/sysroot/usr/lib/ COLLECT_GCC_OPTIONS='-mfloat-abi=hard' '-o' 'verifyspec' '-v' '-shared-libgcc' '-mfpu=vfp' '-mtls-dialect=gnu' '-marm' '-march=armv6+fp' /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/collect2 -plugin /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/liblto_plugin.so -plugin-opt=/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/lto-wrapper -plugin-opt=-fresolution=/tmp/ccPG7cKK.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc --sysroot=/home/parallels/raspi/sysroot --eh-frame-hdr -dynamic-linker /lib/ld-linux-armhf.so.3 -X -m armelf_linux_eabi -o verifyspec crt1.o crti.o /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o -L/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0 -L/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc -L/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib -L/home/parallels/raspi/sysroot/lib -L/home/parallels/raspi/sysroot/usr/lib -O1 -rpath-link /home/parallels/raspi/sysroot/opt/vc/lib -rpath-link /home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -rpath-link /home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf verifyspec.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtend.o crtn.o /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crt1.o: File o directory non esistente /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crti.o: File o directory non esistente /home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lm collect2: error: ld returned 1 exit status

As you can see, QT cross compilation is using sysroot gcc option (/home/parallels/raspi/sysroot is my sysroot). I placed the toolchain exactly into the sysroot (/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0). Why the crt1,crti objects + m library are not found? #

abhiTronix commented 5 years ago

@gfplab-scaffardi looks like you've completely messed up your system paths.

Kindly answer the following queries for further debugging:

1. Did you strictly followed the instructions given the Wiki Section before using this Cross-Compiler?

2. Kindly cd into bin directory(cross-gcc-8.3.0-pi_0-1/bin) and paste this command: 

./arm-linux-gnueabihf-gcc -print-search-dirs | sed '/^lib/b 1;d;:1;s,/[^/.][^/]*/\.\./,/,;t 1;s,:[^=]*=,:;,;s,;,;  ,g' | tr \; \\012

and share the output here.

3. Why are you setting sysroot? How do you came to conclusion to use sysroot while cross-compiling QT? If you copied these instructions from a online source then kindly share that source here.

4. Also, Kindly share the instructions you are using to cross-compile QT for your Raspberry Pi

gfplab-scaffardi commented 5 years ago

@gfplab-scaffardi looks like you've completely messed up your system paths.

Kindly answer the following queries for further debugging:

1. Did you strictly followed the instructions given the Wiki Section before using this Cross-Compiler?

Yes i did. Compiling without the sysroot argument works fine.

2. Kindly cd into bin directory(cross-gcc-8.3.0-pi_0-1/bin) and paste this command:

./arm-linux-gnueabihf-gcc -print-search-dirs | sed '/^lib/b 1;d;:1;s,/[^/.][^/]*/\.\./,/,;t 1;s,:[^=]*=,:;,;s,;,;  ,g' | tr \; \\012

and share the output here.

libraries: /home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/lib/gcc/arm-linux-gnueabihf/8.3.0/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/lib/gcc/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/lib/arm-linux-gnueabihf/8.3.0/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/lib/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc/lib/arm-linux-gnueabihf/8.3.0/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc/lib/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc/usr/lib/arm-linux-gnueabihf/8.3.0/:/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc/usr/lib/

3. Why are you setting sysroot? How do you came to conclusion to use sysroot while cross-compiling QT? If you copied these instructions from a online source then kindly share that source here. 4. Also, Kindly share the instructions you are using to cross-compile QT for your Raspberry Pi

I followed two guides (this one and this second one) to cross compile QT for RPI. I could successfully build qt 5.12.3 with both linaro (gcc 7.2, armv7 + armv8 only) and RPI tools standard toolchains (gcc 4.6) but no way to build qtwebengine module, because it needs gcc > 5.0. That's why i tried your toolchain that should meet both requirements (armv6 target + gcc > 5.0).

abhiTronix commented 5 years ago

@gfplab-scaffardi Where your Cross-Compiler toolchains actually located? According to system searchpath, it is here:

/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/

and according to you, You placed your toolchain here:

I placed the toolchain exactly into the sysroot (/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0).

Why these location not same? or Are you having two toolchains on your system?

Also kindly paste the output of following command:

echo $PATH | tr ":" "\n" | nl
gfplab-scaffardi commented 5 years ago

@gfplab-scaffardi Where your Cross-Compiler toolchains actually located? According to system searchpath, it is here:

/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/

and according to you, You placed your toolchain here:

I placed the toolchain exactly into the sysroot (/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0).

Why these location not same? or Are you having two toolchains on your system?

You are right. Sorry. I initially installed in /opt, then here:

/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/

And, just to perform a test, i copied here too:

'/home/parallels/raspi/sysroot/opt/cross-pi-gcc-8.3.0-0'

Now it's back in /opt and i also added permanent LD_LIBRARY_PATH and PATH variables into .bashrc (they are correctly set into the environments). These are the updated results.

The compiler output:

arm-linux-gnueabihf-g++ -v -Wl,--verbose -mfloat-abi=hard --sysroot=/home/parallels/raspi/sysroot -Wl,-O1 -Wl,-rpath-link,/home/parallels/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf -o verifyspec verifyspec.o      
Using built-in specs.
COLLECT_GCC=arm-linux-gnueabihf-g++
COLLECT_LTO_WRAPPER=/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/lto-wrapper
Target: arm-linux-gnueabihf
Configured with: ../configure --prefix= --target=arm-linux-gnueabihf --enable-languages=c,c++,fortran --with-sysroot=/arm-linux-gnueabihf/libc --with-build-sysroot=/opt/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc --with-arch=armv6 --with-fpu=vfp --with-float=hard --disable-multilib
Thread model: posix
gcc version 8.3.0 (GCC) 
COMPILER_PATH=/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/:/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/:/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/
LIBRARY_PATH=/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/:/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/:/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/:/home/parallels/raspi/sysroot/lib/:/home/parallels/raspi/sysroot/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-mfloat-abi=hard' '-o' 'verifyspec' '-shared-libgcc'  '-mfpu=vfp' '-mtls-dialect=gnu' '-marm' '-march=armv6+fp'
 /opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/collect2 -plugin /opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/liblto_plugin.so -plugin-opt=/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/lto-wrapper -plugin-opt=-fresolution=/tmp/cc82O1td.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc --sysroot=/home/parallels/raspi/sysroot --eh-frame-hdr -dynamic-linker /lib/ld-linux-armhf.so.3 -X -m armelf_linux_eabi -o verifyspec crt1.o crti.o /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o -L/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0 -L/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc -L/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib -L/home/parallels/raspi/sysroot/lib -L/home/parallels/raspi/sysroot/usr/lib --verbose -O1 -rpath-link /home/parallels/raspi/sysroot/opt/vc/lib -rpath-link /home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -rpath-link /home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf verifyspec.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtend.o crtn.o
GNU ld (GNU Binutils) 2.28
  Supported emulations:
   armelf_linux_eabi
   armelfb_linux_eabi
using internal linker script:
==================================================
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==================================================
attempt to open crt1.o failed
attempt to open crti.o failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o succeeded
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o
attempt to open verifyspec.o succeeded
verifyspec.o
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libstdc++.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libstdc++.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libstdc++.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libstdc++.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libstdc++.so succeeded
-lstdc++ (/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libstdc++.so)
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libm.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libm.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libm.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libm.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libm.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libm.a failed
attempt to open /home/parallels/raspi/sysroot/lib/libm.so failed
attempt to open /home/parallels/raspi/sysroot/lib/libm.a failed
attempt to open /home/parallels/raspi/sysroot/usr/lib/libm.so failed
attempt to open /home/parallels/raspi/sysroot/usr/lib/libm.a failed
attempt to open /arm-linux-gnueabihf/lib/libm.so failed
attempt to open /arm-linux-gnueabihf/lib/libm.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc_s.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc_s.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libgcc_s.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libgcc_s.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so succeeded
opened script file /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so
opened script file /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so
attempt to open libgcc_s.so.1 failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc_s.so.1 failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libgcc_s.so.1 failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so.1 succeeded
libgcc_s.so.1 (/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so.1)
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc.a succeeded
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crt1.o: File o directory non esistente
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crti.o: File o directory non esistente
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lm
collect2: error: ld returned 1 exit status
Makefile:68: set di istruzioni per l'obiettivo "verifyspec" non riuscito
make: *** [verifyspec] Errore 1`

Also kindly paste the output of following command:

echo $PATH | tr ":" "\n" | nl
      1 /opt/cross-pi-gcc-8.3.0-0/bin
     2  /usr/local/bin
     3  /usr/bin
     4  /bin
     5  /usr/local/games
     6  /usr/games
     7  /home/parallels/Programs/arm/4.1.1-920t/bin
     8  /home/parallels/Programs/arm/3.2.1-elf/bin
     9  /home/parallels/Programs/ba-elf-ba2/bin
    10  /home/parallels/Programs/avr/bin
    11  /home/parallels/Programs/android-sdks/tools
    12  /home/parallels/Programs/esp/xtensa-esp32-elf/bin
    13  /home/parallels/Programs/gradle/bin

It seems that the toolchain files are not found because out of the sysroot.

abhiTronix commented 5 years ago

@gfplab-scaffardi Wait, I'm compiling QT at my end and if successful I'll post my configuration here. Till then keep trying at your end too.

abhiTronix commented 5 years ago

@gfplab-scaffardi I found a hack, Kindly Remove all paths from .bashrc and reboot and then replace its current location in the following commands and execute them in your terminal one-by-one:

PATH=/<extracted folder-path cross-pi-gcc-8.3.0-0>/bin:$PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/lib:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/arm-linux-gnueabihf/lib/:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/arm-linux-gnueabihf/libc/usr/lib:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/arm-linux-gnueabihf/libc/lib:$LD_LIBRARY_PATH

Then rerun ./configure command and revert your results goodluck.

gfplab-scaffardi commented 5 years ago

@gfplab-scaffardi I found a hack, Kindly Remove all paths from .bashrc and reboot and then replace its current location in the following commands and execute them in your terminal one-by-one:

PATH=/<extracted folder-path cross-pi-gcc-8.3.0-0>/bin:$PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/lib:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/arm-linux-gnueabihf/lib/:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/arm-linux-gnueabihf/libc/usr/lib:$LD_LIBRARY_PATH
LD_LIBRARY_PATH=/<extracted folder-path e.g cross-pi-gcc-8.3.0-0>/arm-linux-gnueabihf/libc/lib:$LD_LIBRARY_PATH

Then rerun ./configure command and revert your results goodluck.

I did it. This are the new environment variables:

echo $LD_LIBRARY_PATH
/opt/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc/lib:/opt/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc/usr/lib:/opt/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/lib:/opt/cross-pi-gcc-8.3.0-0/lib:

Tried it. Same results here (the same cmd works without sysroot option):

arm-linux-gnueabihf-g++ -v -Wl,--verbose -mfloat-abi=hard --sysroot=/home/parallels/raspi/sysroot -Wl,-O1 -Wl,-rpath-link,/home/parallels/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf -o verifyspec verifyspec.o      
Using built-in specs.
COLLECT_GCC=arm-linux-gnueabihf-g++
COLLECT_LTO_WRAPPER=/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/lto-wrapper
Target: arm-linux-gnueabihf
Configured with: ../configure --prefix= --target=arm-linux-gnueabihf --enable-languages=c,c++,fortran --with-sysroot=/arm-linux-gnueabihf/libc --with-build-sysroot=/opt/cross-pi-gcc-8.3.0-0/arm-linux-gnueabihf/libc --with-arch=armv6 --with-fpu=vfp --with-float=hard --disable-multilib
Thread model: posix
gcc version 8.3.0 (GCC) 
COMPILER_PATH=/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/:/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/:/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/
LIBRARY_PATH=/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/:/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/:/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/:/home/parallels/raspi/sysroot/lib/:/home/parallels/raspi/sysroot/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-mfloat-abi=hard' '-o' 'verifyspec' '-shared-libgcc'  '-mfpu=vfp' '-mtls-dialect=gnu' '-marm' '-march=armv6+fp'
 /opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/collect2 -plugin /opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/liblto_plugin.so -plugin-opt=/opt/cross-pi-gcc-8.3.0-0/bin/../libexec/gcc/arm-linux-gnueabihf/8.3.0/lto-wrapper -plugin-opt=-fresolution=/tmp/ccQOk0gS.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc --sysroot=/home/parallels/raspi/sysroot --eh-frame-hdr -dynamic-linker /lib/ld-linux-armhf.so.3 -X -m armelf_linux_eabi -o verifyspec crt1.o crti.o /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o -L/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0 -L/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc -L/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib -L/home/parallels/raspi/sysroot/lib -L/home/parallels/raspi/sysroot/usr/lib --verbose -O1 -rpath-link /home/parallels/raspi/sysroot/opt/vc/lib -rpath-link /home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -rpath-link /home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf verifyspec.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtend.o crtn.o
GNU ld (GNU Binutils) 2.28
  Supported emulations:
   armelf_linux_eabi
   armelfb_linux_eabi
using internal linker script:
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==================================================
attempt to open crt1.o failed
attempt to open crti.o failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o succeeded
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/crtbegin.o
attempt to open verifyspec.o succeeded
verifyspec.o
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libstdc++.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libstdc++.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libstdc++.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libstdc++.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libstdc++.so succeeded
-lstdc++ (/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libstdc++.so)
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libm.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libm.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libm.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libm.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libm.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libm.a failed
attempt to open /home/parallels/raspi/sysroot/lib/libm.so failed
attempt to open /home/parallels/raspi/sysroot/lib/libm.a failed
attempt to open /home/parallels/raspi/sysroot/usr/lib/libm.so failed
attempt to open /home/parallels/raspi/sysroot/usr/lib/libm.a failed
attempt to open /arm-linux-gnueabihf/lib/libm.so failed
attempt to open /arm-linux-gnueabihf/lib/libm.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc_s.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc_s.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libgcc_s.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libgcc_s.a failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so succeeded
opened script file /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so
opened script file /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so
attempt to open libgcc_s.so.1 failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc_s.so.1 failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/libgcc_s.so.1 failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so.1 succeeded
libgcc_s.so.1 (/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/lib/libgcc_s.so.1)
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc.so failed
attempt to open /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/libgcc.a succeeded
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crt1.o: File o directory non esistente
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crti.o: File o directory non esistente
/opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lm
collect2: error: ld returned 1 exit status
Makefile:68: set di istruzioni per l'obiettivo "verifyspec" non riuscito
make: *** [verifyspec] Errore 1

Thank you again for your time. Any idea?

abhiTronix commented 5 years ago

@gfplab-scaffardi This is maybe caused by custom sysroot. The path in which it is searching for libs are incorrect: /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/ instead it should search in /opt/cross-pi-gcc-8.3.0-0/bin/../arm-linux-gnueabihf/libc which is the actual sysroot of these binaries. I'll try to replicate this on my machine, Kindly paste your all terminal commands used in this compiling, here so I can cross-check them one-by-one. Thank you.

gfplab-scaffardi commented 5 years ago

@gfplab-scaffardi This is maybe caused by custom sysroot. The path in which it is searching for libs are incorrect: /opt/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/ instead it should search in /opt/cross-pi-gcc-8.3.0-0/bin/../arm-linux-gnueabihf/libc which is the actual sysroot of these binaries. I'll try to replicate this on my machine, Kindly paste your all terminal commands used in this compiling, here so I can cross-check them one-by-one. Thank you.

wget http://download.qt.io/official_releases/qt/5.12/5.12.3/single/ qt-everywhere-src-5.12.3.tar.xz
tar xvf  qt-everywhere-src-5.12.3.tar.xz
mkdir build
cd build
./configure.sh

where configure.sh is:

#!/bin/sh
CROSS_PI_PATH=/opt/cross-pi-gcc-8.3.0-0 
CROSS_COMPILE=$CROSS_PI_PATH/bin/arm-linux-gnueabihf- 
PATH=$CROSS_PI_PATH/bin:$PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/lib:$LD_LIBRARY_PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/arm-linux-gnueabihf/lib:$LD_LIBRARY_PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/arm-linux-gnueabihf/libc/usr/lib:$LD_LIBRARY_PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/arm-linux-gnueabihf/libc/lib:$LD_LIBRARY_PATH 

../qt-everywhere-src-5.12.3/configure \
    -release \
    -opengl es2 \
    -device linux-rasp-pi-g++ \
    -device-option CROSS_COMPILE=${CROSS_COMPILE} \
    -sysroot ~/raspi/sysroot \
    -opensource -confirm-license \
    -make libs \
    -prefix /usr/local/qt5pi \
    -extprefix ~/raspi/qt5pi-5.12.3 \
    -hostprefix ~/raspi/qt5-5.12.3 \
    -no-use-gold-linker
abhiTronix commented 5 years ago

@gfplab-scaffardi Good news. I managed to solve this. Just use this modified configure.sh instead of your previous one:

#!/bin/sh
CROSS_PI_PATH=/opt/cross-pi-gcc-8.3.0-0 
CROSS_COMPILE=$CROSS_PI_PATH/bin/arm-linux-gnueabihf- 

LD_LIBRARY_PATH=$CROSS_PI_PATH/lib:$LD_LIBRARY_PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/arm-linux-gnueabihf/lib:$LD_LIBRARY_PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/arm-linux-gnueabihf/libc/usr/lib:$LD_LIBRARY_PATH 
LD_LIBRARY_PATH=$CROSS_PI_PATH/arm-linux-gnueabihf/libc/lib:$LD_LIBRARY_PATH

LDFLAGS="-L$CROSS_PI_PATH/lib/ -L$CROSS_PI_PATH/arm-linux-gnueabihf/lib/ -L$CROSS_PI_PATH/arm-linux-gnueabihf/libc/usr/lib/ -L$CROSS_PI_PATH/arm-linux-gnueabihf/libc/lib/"

../qt-everywhere-src-5.12.3/configure \
    -release \
    -opengl es2 \
    -device linux-rasp-pi-g++ \
    -device-option CROSS_COMPILE=${CROSS_COMPILE} \
    -sysroot ~/raspi/sysroot \
    -opensource -confirm-license \
    -make libs \
    -prefix /usr/local/qt5pi \
    -extprefix ~/raspi/qt5pi-5.12.3 \
    -hostprefix ~/raspi/qt5-5.12.3 \
    -no-use-gold-linker \
    -no-gcc-sysroot

and voila error is gone. I totally positive that this should work, as I test it on my machine. Once confirmed, I'll tell you why this is working. Goodluck.

Take a look at my log for confirmation:

outputlog.txt

abhiTronix commented 5 years ago

@gfplab-scaffardi Closing this issue & Marking Solved, since error is no longer reproducible with above suggested solution. Feel free to reopen this issue if suggested solution doesn't work for you. Goodluck.

gfplab-scaffardi commented 5 years ago

I tested it today, but it wont works. The cross compiler is now able to find all its libraries/dependencies but many other tests fail because of missing sysroot (that is used by cross-compiler to correctly detect target includes and libraries). For example, i have this result:

ERROR: The OpenGL functionality tests failed!
You might need to modify the include and library search paths by editing QMAKE_INCDIR_OPENGL[_ES2],
QMAKE_LIBDIR_OPENGL[_ES2] and QMAKE_LIBS_OPENGL[_ES2] in the mkspec for your platform.

That's because these libraries are inside the sysroot folder. To me, it seems that there's no way to use cross compiler with sysroot option. Am i wrong?

abhiTronix commented 5 years ago

but many other tests fail because of missing sysroot (that is used by cross-compiler to correctly detect target includes and libraries). For example, i have this result:

ERROR: The OpenGL functionality tests failed! You might need to modify the include and library search paths by editing QMAKE_INCDIR_OPENGL[_ES2], QMAKE_LIBDIR_OPENGL[_ES2] and QMAKE_LIBS_OPENGL[_ES2] in the mkspec for your platform. That's because these libraries are inside the sysroot folder. To me, it seems that there's no way to use cross compiler with sysroot option. Am i wrong?

@gfplab-scaffardi Yes, you're wrong. This error is not at all related to Compiler or SYSROOT, the Compiler toolchains and SYSROOT are all working fine. But instead this error arising due to the missing library on your targeted machine i.e Raspberry pi. It is missing the required header files and libs of the given library ie. [OpenGL ES](https://www.raspberrypi.org/forums/viewtopic.php?t=67611) in your case. Kindly you either disable it in configure command or install the proper library on your Raspberry Pi. Learn about it here: https://forum.qt.io/topic/1395/qt-and-opengl-es/6

Reason Behind it:

The rsync command is copying your entire raspberry pi environment on your machine into SYSROOT folder. But since you're missing the library on targeted raspberry pi itself, therefore it throws error on testing phase. Hope this will help you under the error better.

Final advice:

Kindly cross-check your Raspberry Pi and install proper libraries or kindly disable the support for that library in your configure command and do this for each library. Also, DO NOT blindly follow a single tutorial or mix multiple tutorials at once as it will definitely end up in failure.

gfplab-scaffardi commented 5 years ago

Just to be clear: i'm not a newbie and i do not blindly follow any tutorial. My development environment and sysroot are perfectly working when using other two cross compilers and my previous configure script. These tests only fail when using your cross compiler or when adding the -no-gcc-sysroot option.

abhiTronix commented 5 years ago

My development environment and sysroot are perfectly working when using other two cross compilers and my previous configure script. These tests only fail when using your cross compiler or when adding the -no-gcc-sysroot option.

@gfplab-scaffardi These are newer toolchains and therefore they may or may not be compatible with old settings and that's why you are the first person to find these errors and thereby you need to debug and solve those errors at your own. Secondly , these new error are not related to these compilers, you can simply google them and clearly observe that these errors are instead related to missing libs. Thirdly, -no-gcc-sysroot only effects compiler settings and has nothing to do with your SYSROOT.

abhiTronix commented 5 years ago

@gfplab-scaffardi See this configure command terminal log : outputlog.txt and compare it with yours. Are they similar or you see any error at your end?

gfplab-scaffardi commented 5 years ago

This is the failed OpenGL test:

parallels@debian-gnu-linux-vm:~/raspi/qt-build-5.12.3-rpi0/config.tests/opengl_es2$ make
/opt/cross-pi-gcc-8.3.0-0/bin/arm-linux-gnueabihf-g++ -mfloat-abi=hard -Wl,-O1 -Wl,-rpath-link,/home/parallels/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf -o opengl_es2 main.o   /home/parallels/raspi/sysroot/opt/vc/lib/libbrcmGLESv2.so /home/parallels/raspi/sysroot/opt/vc/lib/libbrcmEGL.so   
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__read_nocancel@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__libc_fcntl64@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__open64_nocancel@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__close_nocancel@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__mprotect@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__nanosleep_nocancel@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libdl.so.2: undefined reference to `_dl_catch_error@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__write_nocancel@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `_IO_enable_locks@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__sigtimedwait@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/librt.so.1: undefined reference to `fcntl@GLIBC_2.28'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libdl.so.2: undefined reference to `_dl_signal_error@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__pause_nocancel@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__munmap@GLIBC_PRIVATE'
/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf/libpthread.so.0: undefined reference to `__mmap@GLIBC_PRIVATE'
collect2: error: ld returned 1 exit status
Makefile:67: set di istruzioni per l'obiettivo "opengl_es2" non riuscito
make: *** [opengl_es2] Errore 1

My sysroot is taken from last raspbian buster and it works with other toolchains like linaro-raspbian.

abhiTronix commented 5 years ago

My sysroot is taken from last raspbian buster

@gfplab-scaffardi See that's the problem. These errors are due to shared libraries not finding correct glibc symbols. The problem is that my toolchains uses Glibc 2.24 as it is targeting default GCC 6.3.0 on Raspbian stretch. Whereas on your Raspbian buster with default GCC 8.3.0, uses Glibc 2.27 for compiling programs which are incompatible with Glibc 2.24 that comes with my toolchains. Sorry but this is a dead-end for now, But I can surely compile a separate toolchain binary for your Raspbian Buster after few days as due to busy schedule now.

gfplab-scaffardi commented 5 years ago

@abhiTronix thank you for your time and help. I could imagine it's not easy to provide a toolchain for any Glibc but i think it will help for sure any RPI user having it compatible with last raspbian version. Thank you again!

abhiTronix commented 5 years ago

but i think it will help for sure any RPI user having it compatible with last raspbian version.

Yes, I've to create separate branches for seperate Glibc, and while still it possible to release updates for Buster right now but Not everyone has yet switched to buster including me. As it still experimental and not fully compatible with other major libraries like OpenCV. Also, it quoted by Raspberry Pi Dev's on its official website that:

We do not recommend upgrading an existing Stretch (or earlier) system to Buster – we can’t know what changes everyone has made to their system, and so have no idea what may break when you move to Buster. However, we have tested the following procedure for upgrading, and it works on a clean version of the last Stretch image we released. That does not guarantee it will work on your system, and we cannot provide support (or be held responsible) for any problems that arise if you try it. You have been warned – make a backup!

That's why I'm not getting huge demand for buster builds, But I will soon launch separate toolchains for Raspbian Buster family. Goodluck and thanks for understanding.

abhiTronix commented 5 years ago

@gfplab-scaffardi I'll try to compile a single binary for you targeting buster and raspberry pi zero by tomorrow so stay tuned!

abhiTronix commented 5 years ago

@gfplab-scaffardi I've just compiled a Raspbian Buster exclusive Toolchains with following settings:

GCC - 8.3.0 Binutils - 2.31.1 Glibc - 2.28 GDB - 8.3 Target OS: Raspbian Buster OS Target Machine: Raspberry Pi Zero/W/WH and Raspberry Pi 1 Model A/B/A+/B+

Kindly download this binary from here: https://sourceforge.net/projects/raspberry-pi-cross-compilers/files/Experimental%20Toolchains/Raspbian%20Buster%20Toolchains/GCC%208.3.0/Raspberry%20Pi%201%2C%20Zero/ and test your QT build with and without -no-gcc-sysroot flag and revert your results here.

gfplab-scaffardi commented 5 years ago

Here is the result WITH -no-gcc-sysroot: ERROR: Feature 'webengine-alsa' was enabled, but the pre-condition 'config.unix && tests.webengine-alsa' failed.

This is the failed test:

/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/arm-linux-gnueabihf-g++ -c -pipe -marm -mfpu=vfp -mtune=arm1176jzf-s -march=armv6zk -mabi=aapcs-linux -mfloat-abi=hard -O2 -w -fPIC  -I/home/parallels/raspi/qt-everywhere-src-5.12.3/qtwebengine/config.tests/alsa -I. -I/home/parallels/raspi/qt-everywhere-src-5.12.3/qtbase/mkspecs/devices/linux-rasp-pi-g++ -o alsatest.o /home/parallels/raspi/qt-everywhere-src-5.12.3/qtwebengine/config.tests/alsa/alsatest.cpp
/home/parallels/raspi/qt-everywhere-src-5.12.3/qtwebengine/config.tests/alsa/alsatest.cpp:29:10: fatal error: alsa/asoundlib.h: File o directory non esistente
 #include <alsa/asoundlib.h>
          ^~~~~~~~~~~~~~~~~~

Here is the result WITHOUT -no-gcc-sysroot:

Running configuration tests...
Checking for machine tuple... yes
Checking for valid makespec... Note: Also available for Linux: linux-clang linux-icc

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

Here is the error:

+ cd /home/parallels/raspi/qt-build-5.12.3/config.tests/verifyspec && MAKEFLAGS= /usr/bin/make clean && MAKEFLAGS= /usr/bin/make
> rm -f verifyspec.o
> rm -f *~ core *.core
> /home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/arm-linux-gnueabihf-g++ -c -pipe -marm -mfpu=vfp -mtune=arm1176jzf-s -march=armv6zk -mabi=aapcs-linux -mfloat-abi=hard --sysroot=/home/parallels/raspi/sysroot -O2 -w -fPIC  -I/home/parallels/raspi/qt-everywhere-src-5.12.3/qtbase/config.tests/verifyspec -I. -I/home/parallels/raspi/qt-everywhere-src-5.12.3/qtbase/mkspecs/devices/linux-rasp-pi-g++ -o verifyspec.o /home/parallels/raspi/qt-everywhere-src-5.12.3/qtbase/config.tests/verifyspec/verifyspec.cpp
> /home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/arm-linux-gnueabihf-g++ -mfloat-abi=hard --sysroot=/home/parallels/raspi/sysroot -Wl,-O1 -Wl,-rpath-link,/home/parallels/raspi/sysroot/opt/vc/lib -Wl,-rpath-link,/home/parallels/raspi/sysroot/usr/lib/arm-linux-gnueabihf -Wl,-rpath-link,/home/parallels/raspi/sysroot/lib/arm-linux-gnueabihf -o verifyspec verifyspec.o      
> /home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crt1.o: File o directory non esistente
> /home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find crti.o: File o directory non esistente
> /home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/../lib/gcc/arm-linux-gnueabihf/8.3.0/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lm
> collect2: error: ld returned 1 exit status
> Makefile:68: set di istruzioni per l'obiettivo "verifyspec" non riuscito
> make: *** [verifyspec] Errore 1
abhiTronix commented 5 years ago

Here is the result WITH -no-gcc-sysroot: ERROR: Feature 'webengine-alsa' was enabled, but the pre-condition 'config.unix && tests.webengine-alsa' failed.

This is the failed test:

/home/parallels/raspi/tools/cross-pi-gcc-8.3.0-0/bin/arm-linux-gnueabihf-g++ -c -pipe -marm -mfpu=vfp -mtune=arm1176jzf-s -march=armv6zk -mabi=aapcs-linux -mfloat-abi=hard -O2 -w -fPIC -I/home/parallels/raspi/qt-everywhere-src-5.12.3/qtwebengine/config.tests/alsa -I. -I/home/parallels/raspi/qt-everywhere-src-5.12.3/qtbase/mkspecs/devices/linux-rasp-pi-g++ -o alsatest.o /home/parallels/raspi/qt-everywhere-src-5.12.3/qtwebengine/config.tests/alsa/alsatest.cpp /home/parallels/raspi/qt-everywhere-src-5.12.3/qtwebengine/config.tests/alsa/alsatest.cpp:29:10: fatal error: alsa/asoundlib.h: File o directory non esistente

include <alsa/asoundlib.h>

      ^~~~~~~~~~~~~~~~~~

@gfplab-scaffardi You're so close to ending, don't give up yet. You just need to install “libasound2-dev” as a pre-requisite on your Raspberry Pi to get past the error posted above. Then resync after that and this error will be gone on re-compilation. Let's get to the finish line.

gfplab-scaffardi commented 5 years ago

I confirm i have libasound2-dev installed and copied to sysroot (/usr/lib/arm-linux-gnueabihf/libasound. and /usr/include/alsa/). My configure script with the other toolchain still works correctly.

abhiTronix commented 5 years ago

I confirm i have libasound2-dev installed and copied to sysroot (/usr/lib/arm-linux-gnueabihf/libasound. and /usr/include/alsa/). My configure script with the other toolchain still works correctly.

I don't have a buster environment or a suitable time schedule to test this on buster environment. But when this will happen, I'll ensure to check that if these errors related to your end only or happening on my end too. Until then, I'll agree with you to keep using "other" toolchain that works. After my tests, I can assure it is compiling smoothly on my stretch environment with these toolchains. Thank you for your feedback.

gfplab-scaffardi commented 5 years ago

Here is my buster sysroot, if you want to test it in the future:

https://www.dropbox.com/s/6eejnu1smvnmqcr/sysroot.tgz?dl=0

Please wait 5 minutes after the post untile the file is uploaded with Dropbox.

Anyway: thank you again for your time and help!

abhiTronix commented 5 years ago

@gfplab-scaffardi With your sysroot I got following error on running configure command:

Error 1:

ERROR: Feature 'opengles2' was enabled, but the pre-condition 'config.win32 || (!config.watchos && !features.opengl-desktop && libs.opengl_es2)' failed.

ERROR: The OpenGL functionality tests failed! You might need to modify the include and library search paths by editing QMAKE_INCDIR_OPENGL[_ES2], QMAKE_LIBDIR_OPENGL[_ES2] and QMAKE_LIBS_OPENGL[_ES2] in the mkspec for your platform.

looking for library opengl Trying source 0 (type pkgConfig) of library opengl ... pkg-config use disabled globally. => source produced no result. Trying source 1 (type openglMakeSpec) of library opengl ... None of [libGL.so libGL.a] found in [] and global paths. => source produced no result. test config.qtbase_gui.libraries.opengl FAILED looking for library opengl_es2 Trying source 0 (type pkgConfig) of library opengl_es2 ... pkg-config use disabled globally. => source produced no result. Trying source 1 (type makeSpec) of library opengl_es2 ... Library path /home/abhishek/sysroot/opt/vc/lib is invalid. None of [libGLESv2.so libGLESv2.a] found in [/home/abhishek/sysroot/opt/vc/lib] and global paths. => source produced no result. test config.qtbase_gui.libraries.opengl_es2 FAILED

That confirms OpenGL isn't installed properly on your Raspberry Pi.

Error 2:

Checking for ALSA... no

looking for library alsa Trying source 0 (type inline) of library alsa ... None of [libasound.so libasound.a] found in [] and global paths. => source produced no result. test config.qtmultimedia_multimedia.libraries.alsa FAILED

Means, ALSA libs also not installed on your Raspberry Pi. Pardon, but You need both libasound2 and libasound2-dev installed and here is a similar issue as yours: https://forum.qt.io/topic/107174/qtmultimedia-cross-compile-can-t-find-gstream/8

Error 3: (Most important)

pkg-config use disabled globally.

You need pkg-config package installed asap on your raspberry pi, which helps compiler in identifying the right package.

Here is a complete log with your sysroot:

config.log

Which clearly means the problem is at your end only as I just successfully cross-compiled QT for Raspbian buster and it is working properly on my Raspberry Pi 3 model B.

abhiTronix commented 3 years ago

Resolved with Step-by-Step Instruction for Cross-Compiling Latest QT Framework for Raspberry Pi Document.

wuzengfeng714 commented 1 year ago

i have met one similar issue, can you give me some useful suggestion?

arm-dspg-linux-gnueabi-ld: cannot find crtbeginS.o: No such file or directory

the compile command is below:

/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/clang+llvm-12.0.1-x86_64-linux-gnu-ubuntu-/bin/clang++ \ -Wno-unused-command-line-argument \ --target=arm-dspg-linux-gnueabi \ -fuse-ld=/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/x86_64-dspg-linux/usr/bin/arm-dspg-linux-gnueabi/arm-dspg-linux-gnueabi-ld \ -L/home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib \ -L/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/x86_64-dspg-linux/usr/bin/arm-dspg-linux-gnueabi/../../lib/arm-dspg-linux-gnueabi/gcc/arm-dspg-linux-gnueabi/10.2.0/ \ -L/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/x86_64-dspg-linux/usr/bin/arm-dspg-linux-gnueabi/../../lib/arm-dspg-linux-gnueabi/gcc/ \ -L/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/cortexa9-neon-dspg-linux-gnueabi/lib/ \ -L/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/cortexa9-neon-dspg-linux-gnueabi/usr/lib/arm-dspg-linux-gnueabi/10.2.0/ \ -L/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/cortexa9-neon-dspg-linux-gnueabi/usr/lib/ \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libabsl.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libssl.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libcrypto.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libbase.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libz.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libtinyxml2.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libflatbuffers.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libdbus-1.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libprotobuf-lite.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libmodp_b64.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libdouble-conversion.a \ /home/fluoride12/opensource/temp/bluetooth2_test/required/sysroot/lib/libevent.a \ -ldl \ -lpthread \ -lrt \ -lresolv \ -latomic \ --sysroot=/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/cortexa9-neon-dspg-linux-gnueabi \ --gcc-toolchain=/home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/x86_64-dspg-linux \ -Wl,-z,relro \ -Wl,-z,noexecstack \ -Wl,-z,now \ -Wl,--as-needed \ -pie \ -Lrust \ -o \ bluetoothtbd_socketclient \ -Wl,--start-group \ obj/bt/system/service/client/bluetoothtbd_socketclient.main_socket.o \ obj/bt/system/service/client/bluetoothtbd_socketclient.main_menu.o \ -Wl,--end-group \ \ -ldl \ -lpthread \ -lrt \ -lssl \ -lcrypto \ -lbase

Then the failure arrived. /home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/x86_64-dspg-linux/tools/sysroots/x86_64-dspg-linux/usr/bin/arm-dspg-linux-gnueabi/arm-dspg-linux-gnueabi-ld: cannot find crtbeginS.o: No such file or directory

I have already checked the below: a, fluoride12@wcd-sh-bt-2:~/opensource/temp/bluetooth2_test/required/compiler$ find /home/fluoride12/opensource/temp/bluetooth2_test/ -name crtbeginS.o /home/fluoride12/opensource/temp/bluetooth2_test/required/compiler/gcc-arm-10.2-2020.11-x86_64-arm-none-linux-gnueabihf/lib/gcc/arm-none-linux-gnueabihf/10.2.1/crtbeginS.o b, my compile command has already specify the --sysroot, and -L, both of them include crtbeginS.o

If somebody can give me some suggestion, i will be very glad. Thanks!!!