not executable: 64-bit ELF file resolved

not executable: 32-bit ELF file resolved
not executable: 64-bit ELF file resolved

As in the above two questions
1, in the ubuntu system
gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf installation
sudo apt install arm-linux-gnueabihf will prompt
gcc-linaro-7.5.0-2019.12-i686_arm-linux -gnueabihf

Option 1: Compile statically and compile with cross-compilation tools:

The cross-compilation toolchain can be downloaded and decompressed by yourself, download link: https://releases.linaro.org/components/toolchain/binaries/latest-7/arm-linux-gnueabihf/