1 files changed, 18 insertions, 0 deletions

diff --git a/math/qwtplot3d-qt4/files/patch-src_qwt3d__lighting.cpp b/math/qwtplot3d-qt4/files/patch-src_qwt3d__lighting.cpp
new file mode 100644
index 000000000000..475f4f97d6d4
--- /dev/null
+++ b/math/qwtplot3d-qt4/files/patch-src_qwt3d__lighting.cpp
@@ -0,0 +1,18 @@
+src/qwt3d_lighting.cpp:178:27: error: non-constant-expression cannot be narrowed from type 'double' to 
+'GLfloat' (aka 'float') in initializer list [-Wc++11-narrowing]
+  GLfloat lightPos[4] = { lights_[light].shift.x, lights_[light].shift.y, lights_[light].shift.z, 1.0};
+                          ^~~~~~~~~~~~~~~~~~~~~~
+src/qwt3d_lighting.cpp:178:27: note: insert an explicit cast to silence this issue
+
+
+--- src/qwt3d_lighting.cpp.orig	2018-02-17 23:11:11 UTC
++++ src/qwt3d_lighting.cpp
+@@ -175,7 +175,7 @@ void Plot3D::applyLight(unsigned light)
+   glRotatef( lights_[light].rot.x-90, 1.0, 0.0, 0.0 ); 
+   glRotatef( lights_[light].rot.y   , 0.0, 1.0, 0.0 ); 
+   glRotatef( lights_[light].rot.z   , 0.0, 0.0, 1.0 );
+-  GLfloat lightPos[4] = { lights_[light].shift.x, lights_[light].shift.y, lights_[light].shift.z, 1.0};
++  GLfloat lightPos[4] = { static_cast<GLfloat>(lights_[light].shift.x), static_cast<GLfloat>(lights_[light].shift.y), static_cast<GLfloat>(lights_[light].shift.z), 1.0};
+   GLenum le = lightEnum(light);
+   glLightfv(le, GL_POSITION, lightPos);  
+ }