../src/canvas.cpp: In member function ‘void Canvas::draw_mesh()’:
../src/canvas.cpp:93:55: error: no matching function for call to ‘Canvas::glUniformMatrix4fv(int, int, int, qreal*)’
                 1, GL_FALSE, transform_matrix().data());
                                                       ^
../src/canvas.cpp:93:55: note: candidate is:
In file included from /usr/include/qt4/QtOpenGL/QGLFunctions:1:0,
                 from ../src/canvas.h:6,
                 from ../src/canvas.cpp:6:
/usr/include/qt4/QtOpenGL/qglfunctions.h:1264:13: note: void QGLFunctions::glUniformMatrix4fv(GLint, GLsizei, GLboolean, const GLfloat*)
 inline void QGLFunctions::glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value)
             ^
/usr/include/qt4/QtOpenGL/qglfunctions.h:1264:13: note:   no known conversion for argument 4 from ‘qreal* {aka double*}’ to ‘const GLfloat* {aka const float*}’
../src/canvas.cpp:96:50: error: no matching function for call to ‘Canvas::glUniformMatrix4fv(int, int, int, qreal*)’
                 1, GL_FALSE, view_matrix().data());
                                                  ^
../src/canvas.cpp:96:50: note: candidate is:
In file included from /usr/include/qt4/QtOpenGL/QGLFunctions:1:0,
                 from ../src/canvas.h:6,
                 from ../src/canvas.cpp:6:
/usr/include/qt4/QtOpenGL/qglfunctions.h:1264:13: note: void QGLFunctions::glUniformMatrix4fv(GLint, GLsizei, GLboolean, const GLfloat*)
 inline void QGLFunctions::glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value)
             ^
/usr/include/qt4/QtOpenGL/qglfunctions.h:1264:13: note:   no known conversion for argument 4 from ‘qreal* {aka double*}’ to ‘const GLfloat* {aka const float*}’
../src/canvas.cpp: In member function ‘virtual void Canvas::mouseMoveEvent(QMouseEvent*)’:
../src/canvas.cpp:159:5: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
     auto p = event->pos();
     ^
../src/canvas.cpp:159:10: error: ‘p’ does not name a type
     auto p = event->pos();
          ^
../src/canvas.cpp:160:5: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
     auto d = p - mouse_pos;
     ^
../src/canvas.cpp:160:10: error: ‘d’ does not name a type
     auto d = p - mouse_pos;
          ^
../src/canvas.cpp:164:26: error: ‘d’ was not declared in this scope
         yaw = fmod(yaw - d.x(), 360);
                          ^
../src/canvas.cpp:172:29: error: ‘d’ was not declared in this scope
                  QVector3D(-d.x() / (0.5*width()),
                             ^
../src/canvas.cpp:176:17: error: ‘p’ was not declared in this scope
     mouse_pos = p;
                 ^
../src/canvas.cpp: In member function ‘virtual void Canvas::wheelEvent(QWheelEvent*)’:
../src/canvas.cpp:183:5: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
     auto p = event->pos();
     ^
../src/canvas.cpp:183:10: error: ‘p’ does not name a type
     auto p = event->pos();
          ^
../src/canvas.cpp:184:21: error: ‘p’ was not declared in this scope
     QVector3D v(1 - p.x() / (0.5*width()),
                     ^
make: *** [canvas.o] Error 1