<div>Hi, running Raspbian Jessie, followed this wiki <a href="https://www.mythtv.org/wiki/Build_from_Source">https://www.mythtv.org/wiki/Build_from_Source</a>, used the RPi ./configure with '--disable-vaapi', and VAAPI is listed as 'no' after './configure', however seeing 'conflicting declaration' errors when building vaapicontext.o.</div><div> </div><div>Can anyone help? Also, why is vaapicontext.o building if VAAPI is disabled? Thank you.</div><div> </div><div>In file included from /usr/include/GL/glx.h:32:0,</div><div><div>                 from /usr/include/va/va_glx.h:29,</div><div>                 from vaapicontext.h:12,</div><div>                 from vaapicontext.cpp:6:</div><div>/usr/include/GL/gl.h:134:16: error: conflicting declaration ‘typedef double GLdouble’</div><div> typedef double  GLdouble; /* double precision float */</div><div>                ^</div><div>In file included from /usr/include/arm-linux-gnueabihf/qt5/QtOpenGL/qgl.h:47:0,</div><div>                 from /usr/include/arm-linux-gnueabihf/qt5/QtOpenGL/QGLContext:1,</div><div>                 from ../libmythui/mythrender_opengl.h:11,</div><div>                 from openglvideo.h:13,</div><div>                 from vaapicontext.cpp:1:</div><div>/usr/include/arm-linux-gnueabihf/qt5/QtGui/qopengl.h:98:17: note: previous declaration as ‘typedef GLfloat GLdouble’</div><div> typedef GLfloat GLdouble;</div></div>