In static build, QImageReader::supportedImageFormats() result formats list doesn't contain 'jpeg'.

needFormats.append( "bmp" );
needFormats.append( "gif" );
needFormats.append( "jpeg" );
needFormats.append( "png" );

QList<QByteArray> formats = QImageReader::supportedImageFormats(); 
for (int i = 0;i < formats.count();++i) 
{ 
  int tf = needFormats.lastIndexOf(QString(formats.at(i))); 
  if (tf >= 0)
    needFormats.removeAt(tf); 
}