I am trying to cross-compile opencv 4.0/3.4 for a Tinker Board - ARM-based processor — the Rockchip RK3288
I am using Ubuntu 18.04 as host machine.
I pretty much followed everything mentioned here .
But when I try the cmake using below:
mike@mike-laptop:~/opencv-3.4.5/build$ cmake -DCMAKE_TOOLCHAIN_FILE=../platforms/linux/arm-gnueabi.toolchain.cmake ../ I am getting the below error:
Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed. Compiler: /usr/bin/c++ Build flags: -mthumb;;-fdata-sections;-Wa,--noexecstack;-fsigned-char;-Wno-psabi Id flags:
The output was: 1 c++: error: unrecognized command line option ‘-mthumb’; did you mean ‘-mtbm’?
Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed. Compiler: /usr/bin/c++ Build flags: -mthumb;;-fdata-sections;-Wa,--noexecstack;-fsigned-char;-Wno-psabi Id flags: -c
The output was: 1 c++: error: unrecognized command line option ‘-mthumb’; did you mean ‘-mtbm’?
and tons of more messages
I had met the same problem. I try
sudo apt-get install g++-arm-linux-gnueabi
sudo apt-get install g++-arm-linux-gnueabihf
and I solve it.
I hope it will help you!
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