mac 知识

包管理器－－Homebrew 的安装

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

brew 命令

brew search * -搜索
brew install * -安装
brew uninstall * -卸载
brew list —列出已安装的软件
brew update —更新Homebrew
brew home *—用浏览器打开
brew info *—显示软件内容信息
brew deps * — 显示包依赖
brew server * —启动web服务器，可以通过浏览器访问http://localhost:4567/ 来同网页来管理包
brew -h brew —帮助

中科大 homebrew 镜像

cd /usr/local/
git remote set-url origin http://mirrors.ustc.edu.cn/homebrew.git
brew update

如果有问题，如下操作：

cd ~/tmp
git clone http://mirrors.ustc.edu.cn/homebrew.git
rm -rf /usr/local/.git
rm -rf /usr/local/Library
cp -R homebrew/.git /usr/local/
cp -R homebrew/Library /usr/local/
brew update

安装 node-canvas (源代码安装)

1.pkg-config

$ curl http://pkgconfig.freedesktop.org/releases/pkg-config-0.28.tar.gz -o pkgconfig.tgz
$ tar -zxf pkgconfig.tgz && cd pkg-config-0.28
$ ./configure --with-internal-glib && make install

2.pixman

$ curl http://www.cairographics.org/releases/pixman-0.30.0.tar.gz -o pixman.tar.gz
$ tar -zxf pixman.tar.gz && cd pixman-0.30.0/
$ ./configure --prefix=/usr/local --disable-dependency-tracking
$ make install

3.libpng & export ...

$ brew install libpng
$ export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
$ export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/opt/X11/lib/pkgconfig

4.node-canvas

$ npm install canvas
or from source:
$ node-gyp rebuild

5.如果出现错误

Error: error while reading from input stream
or:
Error: Image given has not completed loaded

安装如下库：

brew install giflib # for .gif files
brew install libjpeg # for .jpg files

再重新编译 node-canvas