On Tue, Jan 15, 2013 at 7:08 AM, zhonghua wu <[email protected]> wrote: > HI,ALL > > I want to use CImg library to deal images in node.js,so i write an node > addon to do it. The compile is success, i run node-gyp build commond, that's > ok. > > But when i run the node program,the follow error occurs: > > [root@localhost hcaptha]# node index.js > > module.js:485 > process.dlopen(filename, module.exports); > ^ > Error: /usr/local/nodejs/hcaptha/build/Release/hcaptha.node: undefined > symbol: XSendEvent > at Object.Module._extensions..node (module.js:485:11) > at Module.load (module.js:356:32) > at Function.Module._load (module.js:312:12) > at Module.require (module.js:362:17) > at require (module.js:378:17) > at Object.<anonymous> (/usr/local/nodejs/hcaptha/lib/hcap.js:1:75) > at Module._compile (module.js:449:26) > at Object.Module._extensions..js (module.js:467:10) > at Module.load (module.js:356:32) > at Function.Module._load (module.js:312:12) > > the binding.gyp file is: > > { > "targets":[ > { > "target_name": "hcaptha", > "sources": [ "addon/hcaptha.cc" ,"addon/cap.cc"], > 'cflags': ['-fexceptions','-O2','-Dcimg_use_png'],//the configure > using CImg lib > 'cflags_cc': ['-fexceptions','-O2','-Dcimg_use_png'] > } > ] > } > > cap.cc code: > > #include <node.h> > #include <string> > #include <iostream> > #include "cap.h" > #include "CImg-1.5.3/CImg.h" > > using namespace v8; > Handle<Value> cap::create(const Arguments& args) {//create an image > HandleScope scope; > using namespace cimg_library; > CImg<unsigned char> captcha(256,64,1,3,0);//delete this line run ok! > return scope.Close(Boolean::New(1)); > } > cap::cap(){}; > cap::~cap(){}; > > index.js code: > > var obj = require('../build/Release/hcaptha.node'); > > anyone can help me?
XSendEvent is an Xlib function. You probably need to add a 'libraries': ['-lX11'] line to your binding.gyp. -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
