including flags for QT framework simple in binding.gyp - node native module. If error possible solution is to add path: export LD_LIBRARY_PATH=/home/xxx/Qt/5.3/gcc/lib/

bindingQT.gyp

{
    "targets": [{
        "target_name": "CutyCapt",
        "sources": ["CutyCapt.cc"],
        'conditions': [
            ['OS=="linux"', {
                'cflags': [
                    '-fPIC',
                    '-std=c++11',
                    '<!@(pkg-config --cflags Qt5Core Qt5Svg Qt5WebKit Qt5WebKitWidgets Qt5Network)'
                ],
                'ldflags': [
                    '<!@(pkg-config --libs-only-L --libs-only-other Qt5Core Qt5Svg Qt5WebKit Qt5WebKitWidgets Qt5Network)'
                ],
                'libraries': [
                    '<!@(pkg-config --libs-only-l Qt5Core Qt5Svg Qt5WebKit Qt5WebKitWidgets Qt5Network)'
                ]
            }]
        ]
    }]
}