…tion of ‘q’ shadows a member of ‘qglviewer::Quaternion’ [-Werror=shadow]

  170 |   Quaternion &operator*=(const Quaternion &q) {
      |                          ~~~~~~~~~~~~~~~~~~^
/tmp/libQGLViewer/build/QGLViewer_autogen/QGLViewer/quaternion.h:309:9: note: shadowed declaration is here
  309 |   qreal q[4];
      |         ^

…declaration of ‘d’ shadows a member of ‘BSPNode’ [-Werror=shadow]

  542 | void BSPNode::initEquation(const Polygone *P,double & a, double & b, double & c, double & d)
      |                                                                                  ~~~~~~~~~^
/tmp/libQGLViewer/QGLViewer/VRender/BSPSortMethod.cpp:93:30: note: shadowed declaration is here
   93 |                 double a,b,c,d;
      |                              ^

…declaration of ‘c’ shadows a member of ‘BSPNode’ [-Werror=shadow]

  542 | void BSPNode::initEquation(const Polygone *P,double & a, double & b, double & c, double & dd)
      |                                                                      ~~~~~~~~~^
/tmp/libQGLViewer/QGLViewer/VRender/BSPSortMethod.cpp:93:28: note: shadowed declaration is here
   93 |                 double a,b,c,d;
      |                            ^

…declaration of ‘b’ shadows a member of ‘BSPNode’ [-Werror=shadow]

  542 | void BSPNode::initEquation(const Polygone *P,double & a, double & b, double & c, double & dd)
      |                                                          ~~~~~~~~~^
/tmp/libQGLViewer/QGLViewer/VRender/BSPSortMethod.cpp:93:26: note: shadowed declaration is here
   93 |                 double a,b,c,d;
      |                          ^

…declaration of ‘a’ shadows a member of ‘BSPNode’ [-Werror=shadow]

  542 | void BSPNode::initEquation(const Polygone *P,double & a, double & bb, double & cc, double & dd)
      |                                              ~~~~~~~~~^
/tmp/libQGLViewer/QGLViewer/VRender/BSPSortMethod.cpp:93:24: note: shadowed declaration is here
   93 |                 double a,b,c,d;
      |                        ^

… vrender::operator*(const NVector3&, const Vector3&)’ has not been declared within ‘vrender’ [-Werror]

   41 | double vrender::operator*(const NVector3 &u,const Vector3  &v)
      |        ^~~~~~~
In file included from /tmp/libQGLViewer/QGLViewer/VRender/NVector3.cpp:1:
/tmp/libQGLViewer/QGLViewer/VRender/NVector3.h:45:19: note: only here as a ‘friend’
   45 |     friend double operator*(const NVector3 &u,const Vector3  &v);
      |                   ^~~~~~~~

… vrender::operator*(const Vector3&, const NVector3&)’ has not been declared within ‘vrender’ [-Werror]

   46 | double vrender::operator*(const Vector3  &u,const NVector3 &v)
      |        ^~~~~~~
In file included from /tmp/libQGLViewer/QGLViewer/VRender/NVector3.cpp:1:
/tmp/libQGLViewer/QGLViewer/VRender/NVector3.h:46:19: note: only here as a ‘friend’
   46 |     friend double operator*(const Vector3  &u,const NVector3 &v);
      |                   ^~~~~~~~

…::ostream& vrender::operator<<(std::ostream&, const Feedback3DColor&)’ has not been declared within ‘vrender’ [-Werror]

  121 | std::ostream& vrender::operator<<(std::ostream& o,const Feedback3DColor& f)
      |               ^~~~~~~
In file included from /tmp/libQGLViewer/QGLViewer/VRender/Primitive.cpp:3:
/tmp/libQGLViewer/QGLViewer/VRender/Primitive.h:61:38: note: only here as a ‘friend’
   61 |                 friend std::ostream& operator<<(std::ostream&,const Feedback3DColor&) ;
      |                                      ^~~~~~~~

…::Vector2 vrender::operator-(const Vector2&)’ has not been declared within ‘vrender’ [-Werror]

   50 | Vector2 vrender::operator- (const Vector2& u)
      |         ^~~~~~~
In file included from /tmp/libQGLViewer/QGLViewer/VRender/Vector2.cpp:1:
/tmp/libQGLViewer/QGLViewer/VRender/Vector2.h:73:40: note: only here as a ‘friend’
   73 |                         friend Vector2 operator- (const Vector2&);
      |                                        ^~~~~~~~

…::Vector3 vrender::operator*(double, const Vector3&)’ has not been declared within ‘vrender’ [-Werror]

   81 | Vector3 vrender::operator* (double r,const Vector3& u)
      |         ^~~~~~~
In file included from /tmp/libQGLViewer/QGLViewer/VRender/Vector3.cpp:2:
/tmp/libQGLViewer/QGLViewer/VRender/Vector3.h:114:40: note: only here as a ‘friend’
  114 |                         friend Vector3 operator* (double,const Vector3&);
      |                                        ^~~~~~~~

…ostream& vrender::operator<<(std::ostream&, const Vector3&)’ has not been declared within ‘vrender’ [-Werror]

  111 | std::ostream& vrender::operator<< (std::ostream& out,const Vector3& u)
      |               ^~~~~~~
/tmp/libQGLViewer/QGLViewer/VRender/Vector3.h:127:46: note: only here as a ‘friend’
  127 |                         friend std::ostream& operator<< (std::ostream&,const Vector3&);
      |                                              ^~~~~~~~

…‘proj’ shadows a previous local [-Werror=shadow]

 1038 |       qreal proj = fabs(directions[0][i] * dir);
      |             ^~~~
/tmp/libQGLViewer/QGLViewer/frame.cpp:1009:9: note: shadowed declaration is here
 1009 |   qreal proj;
      |         ^~~~

…‘axis’ shadows a previous local [-Werror=shadow]

 1046 |       const Vec axis = cross(directions[0][index[0]], dir);
      |                 ^~~~
/tmp/libQGLViewer/QGLViewer/frame.cpp:1025:15: note: shadowed declaration is here
 1025 |     const Vec axis = cross(directions[0][index[0]], directions[1][index[1]]);
      |               ^~~~

…‘angle’ shadows a previous local [-Werror=shadow]

 1047 |       qreal angle = asin(axis.norm());
      |             ^~~~~
/tmp/libQGLViewer/QGLViewer/frame.cpp:1026:11: note: shadowed declaration is here
 1026 |     qreal angle = asin(axis.norm());
      |           ^~~~~

…eclaration of ‘v1’ shadows a member of ‘qglviewer::KeyFrameInterpolator’ [-Werror=shadow]

  340 |         Vec v1 = 3.0 * diff - 2.0 * kf_[1]->tgP() - kf_[2]->tgP();
      |             ^~
In file included from /tmp/libQGLViewer/QGLViewer/camera.h:5,
                 from /tmp/libQGLViewer/QGLViewer/qglviewer.h:4,
                 from /tmp/libQGLViewer/QGLViewer/keyFrameInterpolator.cpp:2:
/tmp/libQGLViewer/QGLViewer/keyFrameInterpolator.h:354:7: note: shadowed declaration is here
  354 |   Vec v1, v2;
      |       ^~

…eclaration of ‘v2’ shadows a member of ‘qglviewer::KeyFrameInterpolator’ [-Werror=shadow]

  341 |         Vec v2 = -2.0 * diff + kf_[1]->tgP() + kf_[2]->tgP();
      |             ^~
In file included from /tmp/libQGLViewer/QGLViewer/camera.h:5,
                 from /tmp/libQGLViewer/QGLViewer/qglviewer.h:4,
                 from /tmp/libQGLViewer/QGLViewer/keyFrameInterpolator.cpp:2:
/tmp/libQGLViewer/QGLViewer/keyFrameInterpolator.h:354:11: note: shadowed declaration is here
  354 |   Vec v1, v2;
      |           ^~

… of ‘text’ shadows a previous local [-Werror=shadow]

 1897 |     QString text = mouseActionString(itmb.value().action);
      |             ^~~~
/tmp/libQGLViewer/QGLViewer/qglviewer.cpp:1846:11: note: shadowed declaration is here
 1846 |   QString text(
      |           ^~~~

… of ‘text’ shadows a previous local [-Werror=shadow]

 1921 |     QString text = mouseActionString(itw.value().action);
      |             ^~~~
/tmp/libQGLViewer/QGLViewer/qglviewer.cpp:1846:11: note: shadowed declaration is here
 1846 |   QString text(
      |           ^~~~

… of ‘q’ shadows a member of ‘qglviewer::Quaternion’ [-Werror=shadow]

  227 |   Quaternion q(element);
      |              ^
In file included from /tmp/libQGLViewer/QGLViewer/quaternion.cpp:1:
/tmp/libQGLViewer/QGLViewer/quaternion.h:309:9: note: shadowed declaration is here
  309 |   qreal q[4];
      |         ^

… const&)

…be explicitly initialized in the copy constructor [-Werror=extra]

   21 | NVector3::NVector3(const NVector3& u)

… ‘CameraViewer’ [-Werror=shadow]

   16 |     const float c = cos(angle);
      |                 ^