c++ - Mac OSX Sierra CoreFoundation/CoreServices/CoreGraphics 不工作

Question

当我尝试编译任何包含 CoreFoundation、CoreServices 或 CoreGraphics 的东西时，例如 Carbon，我收到以下错误消息。

gcc x.c -framework Carbon
In file included from /usr/include/Availability.h:180:0,
                 from /usr/local/Cellar/gcc/6.2.0/lib/gcc/6/gcc/x86_64-apple-darwin16.1.0/6.2.0/include-fixed/math.h:46,
                 from /System/Library/Frameworks/CoreFoundation.framework/Headers/CoreFoundation.h:24,
                 from /System/Library/Frameworks/CoreServices.framework/Headers/CoreServices.h:19,
                 from /System/Library/Frameworks/Carbon.framework/Headers/Carbon.h:20,
                 from x.c:1:
/System/Library/Frameworks/CoreFoundation.framework/Headers/CFDateFormatter.h:53:34: error: 'introduced' undeclared here (not in a function)
     kCFISO8601DateFormatWithYear API_AVAILABLE(macosx(10.12), ios(10.0), watchos(3.0), tvos(10.0)) = (1UL << 0),
                                  ^
/System/Library/Frameworks/CoreFoundation.framework/Headers/CFURL.h:777:39: error: 'deprecated' undeclared here (not in a function)
 const CFStringRef kCFURLLabelColorKey API_DEPRECATED("Use NSURLLabelColorKey", macosx(10.6, 10.12), ios(4.0, 10.0), watchos(2.0, 3.0), tvos(9.0, 10.0));
                                       ^
/System/Library/Frameworks/CoreFoundation.framework/Headers/CFURL.h:777:39: error: 'message' undeclared here (not in a function)
 const CFStringRef kCFURLLabelColorKey API_DEPRECATED("Use NSURLLabelColorKey", macosx(10.6, 10.12), ios(4.0, 10.0), watchos(2.0, 3.0), tvos(9.0, 10.0));
                                       ^
In file included from /System/Library/Frameworks/Security.framework/Headers/Security.h:81:0,
                 from /System/Library/Frameworks/CoreServices.framework/Frameworks/OSServices.framework/Headers/CSIdentity.h:43,
                 from /System/Library/Frameworks/CoreServices.framework/Frameworks/OSServices.framework/Headers/OSServices.h:27,
                 from /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Headers/IconsCore.h:23,
                 from /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Headers/LaunchServices.h:22,
                 from /System/Library/Frameworks/CoreServices.framework/Headers/CoreServices.h:39,
                 from /System/Library/Frameworks/Carbon.framework/Headers/Carbon.h:20,
                 from x.c:1:
/System/Library/Frameworks/Security.framework/Headers/Authorization.h:194:7: error: variably modified 'bytes' at file scope
  char bytes[kAuthorizationExternalFormLength];
       ^~~~~
In file included from /System/Library/Frameworks/CoreGraphics.framework/Headers/CGContext.h:18:0,
                 from /System/Library/Frameworks/CoreGraphics.framework/Headers/CGBitmapContext.h:9,
                 from /System/Library/Frameworks/CoreGraphics.framework/Headers/CoreGraphics.h:11,
                 from /System/Library/Frameworks/ApplicationServices.framework/Headers/ApplicationServices.h:35,
                 from /System/Library/Frameworks/Carbon.framework/Headers/Carbon.h:24,
                 from x.c:1:
/System/Library/Frameworks/CoreGraphics.framework/Headers/CGFont.h:53:40: error: initializer element is not constant
 static const CGFontIndex kCGGlyphMax = kCGFontIndexMax;

有人知道问题出在哪里吗？我不确定这是否是在更新到 macOS Sierra 或 Xcode 到版本 8.1 后开始的。编辑:该程序似乎可以在 Xcode 中编译，但不能在带有自制软件 gcc 6.2 的终端中编译。

Answer 1

如前所述here , Carbon 早已被弃用。但是，您可以尝试 AppKit:

gcc x.c -framework AppKit

对我来说，当我为 OS X 编写纯 C 应用程序时，它工作得很好。

[编辑:]现在是代码。

#include <ApplicationServices/ApplicationServices.h>
#include <unistd.h>

int main() {
    while (!CGEventSourceKeyState(kCGEventSourceStateHIDSystemState, 0x7E))
        usleep(10000);
    return 0;
}

此应用仅依赖 AppKit 并循环直到按下向上箭头(扫描代码 0x7E)。

这是完整的代码列表(不确定它们在官方标题中的位置):Carbon's Virtual Key Codes .