Problems compiling and running on T20 LXDE LINUX

Technical Support
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1

Dear Toradex team and Toradex community,

Trying to compile/run the HelloWorld application on a colibri T20 with linux LXDE 2.8, an executable binary is generated but it won’t run.

We are using toolchain:

https://developer1.toradex.com/files/toradex-dev/uploads/media/Colibri/Linux/SDKs/2.8/colibri-t20/angstrom-lxde-image/

configured on CodeBlocks.

The build succeeds, see below:

-------------- Build: Debug in HelloWorld (compiler: GNU GCC Compiler for ARM)---------------

arm-angstrom-linux-gnueabi-g++ -Wall -fexceptions -g -std=c++11 -mfpu=vfpv3-d16 -march=armv7-a -mthumb -mfpu=vfp -mfloat-abi=hard -I/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-angstrom-linux-gnueabi/usr/include/c++/7.3.0 -I/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-angstrom-linux-gnueabi/usr/include/c++/7.3.0/arm-angstrom-linux-gnueabi/ -I/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-angstrom-linux-gnueabi/usr/include -I/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-angstrom-linux-gnueabi/usr/lib -c main.cpp -o obj/Debug/main.o --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi

arm-angstrom-linux-gnueabi-g++  -o bin/Debug/HelloWorld obj/Debug/main.o  --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-angstrom-linux-gnueabi -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -no-pie  
Output file is bin/Debug/HelloWorld with size 31.41 KB
Process terminated with status 0 (0 minute(s), 0 second(s))
0 error(s), 0 warning(s) (0 minute(s), 0 second(s))
------------------------------------------------------------------------

The flags we used are:

armv7-a
-mthumb
-mfpu=vfp

However, the output executable does not run.
Any ideas on what we are missing?

thank you in advance

2

No need to answer this question, as we have now figured.

It was solved adding:

–library-path “/lib;/usr/lib”

3

Hi @Henry

Perfect that you found a solution.
Thanks for the feedback.

Best regards,
Jaski