Made glfwOpenWindow enforce the forward-compat and profile hints.

readme.html

@@ -313,6 +313,7 @@ version of GLFW.</p>
   <li>[Cocoa] Postponed menu creation to first window creation</li>
   <li>[Cocoa] Replaced <code>NSDate</code> time source with <code>mach_absolute_time</code></li>
   <li>[Cocoa] Replaced deprecated CoreGraphics calls in video mode enumeration</li>
+  <li>[Cocoa] Bugfix: <code>glfwOpenWindow</code> did not properly enforce the forward-compatible and context profile hints</li>
   <li>[Cocoa] Bugfix: The loop condition for saving video modes used the wrong index variable</li>
   <li>[Cocoa] Bugfix: The OpenGL framework was not retrieved, making glfwGetProcAddress crash</li>
   <li>[Cocoa] Bugfix: <code>glfwInit</code> changed the current directory for unbundled executables</li>

src/cocoa_window.m

@@ -675,14 +675,23 @@ static GLboolean createContext(_GLFWwindow* window,
         return GL_FALSE;
     }
 
-    if (wndconfig->glProfile)
+    if (wndconfig->glMajor > 2)
     {
-        // Fail if a profile other than core was explicitly selected
+        if (!wndconfig->glForward)
+        {
+            _glfwSetError(GLFW_VERSION_UNAVAILABLE,
+                          "Cocoa/NSOpenGL: The targeted version of Mac OS X "
+                          "only supports OpenGL 3.2 contexts if they are "
+                          "forward-compatible");
+            return GL_FALSE;
+        }
+
         if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE)
         {
             _glfwSetError(GLFW_VERSION_UNAVAILABLE,
                           "Cocoa/NSOpenGL: The targeted version of Mac OS X "
-                          "only supports the OpenGL core profile");
+                          "only supports OpenGL 3.2 contexts if they use the "
+                          "core profile");
             return GL_FALSE;
         }
     }