I've been using Xcode 4.3.1 since it came out now and I've worked on many different projects since. Everything has always worked fine until this new project I'm working on. The code completion/code...

So, I'm trying to run a basic code: from PyQt5.QtWidgets import QMainWindow, QPushButton, QApplication import sys class Example(QMainWindow): def __init__(self): super().__init__() btn = QPush...

Xcode build prints this error . Undefined symbols: "EGViewportDimensionMake(unsigned int, unsigned int, unsigned int, unsigned int)", referenced from: -[Renderer render] in Renderer.o ld: sy...

hej.h void hej(); hej.m void hej(){} main.mm #import "hej.h" int main(int argc, char *argv[]) { } This gives me: "hej()", referenced from: _main in main.o symbol(s) not found If I rena...