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What is the difference between arm-linux-gcc and arm-none-linux-gnueabi and arm-linux-gnueabi toolchains?
Do they compile differently?
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the eabi stands for the compilation of code which will run on bare metal arm core. the gnueabi stands for the compilation of code for linux.
GNU C compiler for the arm64 architecture This is the GNU C compiler, a fairly portable optimizing compiler for C. This is a dependency package providing the default GNU C cross-compiler for the arm64 architecture.
Toolchains have a loose name convention like arch[-vendor][-os]-abi.
arch is for architecture: arm, mips, x86, i686...vendor is tool chain supplier: apple, os is for operating system: linux, none (bare metal)abi is for application binary interface convention: eabi, gnueabi, gnueabihf For your question, arm-none-linux-gnueabi and arm-linux-gnueabi is same thing. arm-linux-gcc is actually binary for gcc which produces objects for ARM architecture to be run on Linux with default configuration (abi) provided by toolchain.
Some nice reading: Toolchains.
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