id summary reporter owner description type status priority milestone component version severity resolution keywords cc mlocked 10126 udefined references to opengl while building libmythui screendisease@… markk " Hi devteam, in order to build libmythui , i have to add the following CXXFFLAGS -DGL_GLEXT_PROTOTYPES otherwise the build will fail with undefined references to {{{ mythrender_opengl2es.h: In member function 'virtual void MythRenderOpenGL2ES::InitProcs()': mythrender_opengl2es.h:27:57: error: 'glCreateShader' was not declared in this scope mythrender_opengl2es.h:28:57: error: 'glShaderSource' was not declared in this scope mythrender_opengl2es.h:29:58: error: 'glCompileShader' was not declared in this scope mythrender_opengl2es.h:30:57: error: 'glAttachShader' was not declared in this scope mythrender_opengl2es.h:31:56: error: 'glGetShaderiv' was not declared in this scope mythrender_opengl2es.h:32:61: error: 'glGetShaderInfoLog' was not declared in this scope mythrender_opengl2es.h:33:57: error: 'glDetachShader' was not declared in this scope mythrender_opengl2es.h:34:57: error: 'glDeleteShader' was not declared in this scope mythrender_opengl2es.h:36:59: error: 'glDeleteProgram' was not declared in this scope mythrender_opengl2es.h:37:59: error: 'glCreateProgram' was not declared in this scope mythrender_opengl2es.h:38:57: error: 'glLinkProgram' was not declared in this scope mythrender_opengl2es.h:39:56: error: 'glUseProgram' was not declared in this scope mythrender_opengl2es.h:40:63: error: 'glGetProgramInfoLog' was not declared in this scope mythrender_opengl2es.h:41:58: error: 'glGetProgramiv' was not declared in this scope mythrender_opengl2es.h:43:66: error: 'glGetUniformLocation' was not declared in this scope mythrender_opengl2es.h:44:57: error: 'glUniform4f' was not declared in this scope mythrender_opengl2es.h:45:64: error: 'glUniformMatrix4fv' was not declared in this scope mythrender_opengl2es.h:46:67: error: 'glVertexAttribPointer' was not declared in this scope mythrender_opengl2es.h:48:76: error: 'glEnableVertexAttribArray' was not declared in this scope mythrender_opengl2es.h:49:77: error: 'glDisableVertexAttribArray' was not declared in this scope mythrender_opengl2es.h:50:71: error: 'glBindAttribLocation' was not declared in this scope mythrender_opengl2es.h:51:67: error: 'glVertexAttrib4f' was not declared in this scope mythrender_opengl2es.h:53:52: error: 'glGenBuffers' was not declared in this scope }}} have a nice day:-) " Developer Task closed minor 0.25 MythTV - configure script Master Head medium fixed GL_GLEXT_PROTOTYPES mythrender_opengl2es.h opengl 0