2018-08-16 02:31:04 +00:00
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**********************************
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从零开始设置 Mac OS 环境下的工具链
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**********************************
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安装必要的工具
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=====================
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- 安装 pip::
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sudo easy_install pip
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.. note::
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``pip`` 稍后将用于安装 :ref:`必要的 Python 软件包 <get-started-get-packages>`。
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从源代码编译工具链
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==================
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- 安装依赖:
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- 安装 MacPorts_ 或者 homebrew_ 包管理器。MacPorts 需要安装完整的 XCode 软件，但是 homebrew 只需要安装 XCode 命令行工具即可。
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.. _homebrew: https://brew.sh/
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.. _MacPorts: https://www.macports.org/install.php
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- 对于 MacPorts::
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sudo port install gsed gawk binutils gperf grep gettext wget libtool autoconf automake
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- 对于 homebrew::
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brew install gnu-sed gawk binutils gperftools gettext wget help2man libtool autoconf automake
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创建大小写敏感的文件系统镜像::
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hdiutil create ~/esp/crosstool.dmg -volname "ctng" -size 10g -fs "Case-sensitive HFS+"
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挂载::
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hdiutil mount ~/esp/crosstool.dmg
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创建指向你工作目录的符号链接::
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cd ~/esp
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ln -s /Volumes/ctng crosstool-NG
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下载 ``crosstool-NG`` 然后编译::
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cd ~/esp
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git clone -b xtensa-1.22.x https://github.com/espressif/crosstool-NG.git
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cd crosstool-NG
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./bootstrap && ./configure --enable-local && make install
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编译工具链::
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./ct-ng xtensa-esp32-elf
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./ct-ng build
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chmod -R u+w builds/xtensa-esp32-elf
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编译得到的工具链会被保存到 ``~/esp/crosstool-NG/builds/xtensa-esp32-elf``。根据 :ref:`Mac OS 下设置环境变量的标准方法 <setup-macos-toolchain-add-it-to-path>` 中的介绍，将工具链添加到 ``PATH`` 中。
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下一步
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======
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继续设置开发环境，请前往 :ref:`获取 ESP-IDF <get-started-get-esp-idf>` 章节。
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