win8.1環境下的install時的ERR，但運行test可以完成合併任務。

[xiaoyaojones]

canvas@1.1.3 install Z:\Source\test\grunt-css-sprite-master\node_modules\sprit esmith\node_modules\canvassmith\node_modules\canvas node-gyp rebuild

Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\can vassmith\node_modules\canvas>node "C:\Program Files\nodejs\node_modules\npm\bin\ node-gyp-bin....\node_modules\node-gyp\bin\node-gyp.js" rebuild 在此解决方案中一次生成一个项目。若要启用并行生成，请添加“/m”开关。 CanvasRenderingContext2d.cc CanvasPattern.cc z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\CanvasRenderin gContext2d.cc) [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith \node_modules\canvassmith\node_modules\canvas\build\canvas.vcxproj] z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\CanvasPattern. cc) [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modul es\canvassmith\node_modules\canvas\build\canvas.vcxproj] color.cc PixelArray.cc ..\src\color.cc(353): warning C4305: 'initializing' : truncation from 'double' to 'float' [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\nod e_modules\canvassmith\node_modules\canvas\build\canvas.vcxproj] ..\src\color.cc(356): warning C4305: '*=' : truncation from 'double' to 'float' [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ canvassmith\node_modules\canvas\build\canvas.vcxproj] ImageData.cc z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\PixelArray.cc) [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ canvassmith\node_modules\canvas\build\canvas.vcxproj] Canvas.cc z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\ImageData.cc) [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\c anvassmith\node_modules\canvas\build\canvas.vcxproj] init.cc z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\Canvas.cc) [Z: \Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\canv assmith\node_modules\canvas\build\canvas.vcxproj] Image.cc z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\init.cc) [Z:\S ource\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\canvas smith\node_modules\canvas\build\canvas.vcxproj] CanvasGradient.cc z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\Image.cc) [Z:\ Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\canva ssmith\node_modules\canvas\build\canvas.vcxproj] z:\source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modules\ca nvassmith\node_modules\canvas\src\Canvas.h(19): fatal error C1083: Cannot open include file: 'cairo/cairo.h': No such file or directory (..\src\CanvasGradient .cc) [Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\node_modu les\canvassmith\node_modules\canvas\build\canvas.vcxproj] gyp ERR! build error gyp ERR! stack Error: C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe failed with exit code: 1 gyp ERR! stack at ChildProcess.onExit (C:\Program Files\nodejs\node_modules\ npm\node_modules\node-gyp\lib\build.js:267:23) gyp ERR! stack at ChildProcess.EventEmitter.emit (events.js:98:17) gyp ERR! stack at Process.ChildProcess._handle.onexit (child_process.js:797: 12) gyp ERR! System Windows_NT 6.2.9200 gyp ERR! command "node" "C:\Program Files\nodejs\node_modules\npm\node_modu les\node-gyp\bin\node-gyp.js" "rebuild" gyp ERR! cwd Z:\Source\test\grunt-css-sprite-master\node_modules\spritesmith\nod e_modules\canvassmith\node_modules\canvas gyp ERR! node -v v0.10.26 gyp ERR! node-gyp -v v0.12.2 gyp ERR! not ok

按網上的提示安裝了vs 2012，但還是提示以上錯誤，求大神指點。。

[laoshu133]

此错误不影响正常使用的，报错是因为 spritesmith 依赖在初始化时检测可用工具不存在

[xiaoyaojones]

ok，感謝您的講解~！