什麼是toolchain

wiki：toolchain

In software, a toolchain is the set of computer programs (tools) that are used to create a product (typically another computer program or system of programs). The tools may be used in a chain, so that the output of each tool becomes the input for the next, but the term is used widely to refer to any set of linked development tools.

wiki：GNU toolchain

The GNU toolchain is a blanket term for a collection of programming tools produced by the GNU Project. These tools form a toolchain (suite of tools used in a serial manner) used for developing applications and operating systems.

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相關應用：

做embedded system是需要toolchain。但當編譯某些Library或是open source的程式時，若遇到廠商所提供的toolchain版本過舊而產生錯誤，就要自己建力特定版本的toolchain來解決問題。

以下是一些網友的介紹：

自己做toolchain

在ubuntu上建立arm toolchain

建立Toolchain

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另外推薦CodeSourcery
http://www.codesourcery.com/

據說CodeSourcery的幾個員工都是領導 GCC 發展的大人物，所以CodeSourcery 出品的 toolchain品質有保證。