ubuntu x86_64 or linux 若要编译一包 open source 通常会使用到 ./configure --build=xxx-linux-gnu --host=xxx-linux-gnu --target=xxx-linux-gnu 这里给出几个解释 让大家真正了解定义 https://sensperiodit.files.wordpress.com/2011/04/hagen-the-definitive-guide-to-gcc-2e-apress-2006.pdf CHAPTER 11 COMPILING GCC P.233 The build system is the machine on which you build GCC; the host system is the machine on which the completed compiler will run; and the target system is the machine for which the compiler will generate code. refer to: GCC source https://ftp.gnu.org/gnu/gcc AR AS LD binutils source https://ftp.gnu.org/gnu/binutils // https://stackoverflow.com/questions/47010422/cross-compilation-terminologies-build-host-and-target I have a PowerPC machine making a compiler that you will run on an x86 machine that will make binaries that run on an ARM. That makes the PPC the build, the x86 the host, and the target is the ARM // https://blog.csdn.net/liufuchun111/article/details/81509651 ./configure --build=i386-linux --host=powerpc-linux --target=powerpc-linux 利用i386-linux(--build)的编译器对gcc进行编译 编译出来的gcc运行在powerpc-linux(--host) 这个gcc用来编译能够在powerpc-linux(--target)运行的代码。 // https://linux.die.net/man/1/config.guess config.guess This script will guess the type of the 'build' machine. // https://github.com/gcc-mirror/gcc/blob/master/config.guess Note: NetBSD doesn't particularly care about the vendor portion of the name. We always set it to "unknown". // EX: ./configure --build=x86_64-unknown-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu build: 编译 GCC source 与 编译 AR AS LD source 是在 x86_64 未知制造商的 linux 系统 host: GCC & AR AS LD 在 86_64-linux 执行 hello_world.c 的编译 target: hello_world 在 CPU 为 arm64 的系统下执行 --

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