我尝试在一个小型的个人项目中 CorePlot 绘制一些条形图。 我用 Xcode 4. 3. 3.2 和 ARC 开始这个项目, 认为这样能让我的生活更加轻松... 问题是, 当使用 GCC 4. 2 - 编译者不识别 < code\ autorelease 。 我过去曾使用 :
int retVal = 0;
// @autoreleasepool {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
retVal = UIApplicationMain(argc, argv, nil, NSStringFromClass([kerrAppDelegate class]));
[pool drain];
// }
return retVal;
然而,我得到错误的答案, 说无核释放pool没有在ARC中提供...
这真的与核心计划无关。
只有在使用 LLVM 编译器3. 0 或更高时才会支持自动引用计数。 LLVM CC 4. 2 不支持 ARC, 所以您会想要切换您的项目, 以便使用完整的 LLVM 编译器 。
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