What is cross compile and toolchain?
2009-03-04 22:02
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1 Cross compile
Cross compile, 即交叉编译, 简单地讲,就是在一个平台上编译能运行在另一个平台上的程序。为什么不直接在运行某程序的平台上编译该程序呢?有时候,由于目标平台的硬件环境限制(如内存太小),甚至该平台根本就还没有出现,那为了编译能在该目标平台运行的程序,就需要在其他平台上编译程序了。2 Toolchain
toolchain是一个包含许多部件的,用于编译运行在特定平台上的程序的工具。不同类型的CPU,其指令集一般都不相同,因此在某一个平台上使用的编译器,通常不可以用于编译运行在另一个平台上的程序(机器码都可能不一样了)。而toolchain则可以看成是某一个平台上的具体编译器实现。同一个平台上的toolchain,可以有多种不同的实现,就像x86平台上有多个厂家的编译器一样。相关文章推荐
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