| #include <Availability.h> |
| #include <TargetConditionals.h> |
| |
| #if TARGET_OS_OSX |
| # if __MAC_OS_X_VERSION_MIN_REQUIRED != __MAC_10_11 |
| # error macOS deployment version mismatch |
| # endif |
| #elif TARGET_OS_IOS |
| # if __IPHONE_OS_VERSION_MIN_REQUIRED != __IPHONE_9_1 |
| # error iOS deployment version mismatch |
| # endif |
| #elif TARGET_OS_WATCH |
| # if __WATCH_OS_VERSION_MIN_REQUIRED != __WATCHOS_2_0 |
| # error watchOS deployment version mismatch |
| # endif |
| #elif TARGET_OS_TV |
| # if __TV_OS_VERSION_MIN_REQUIRED != __TVOS_9_0 |
| # error tvOS deployment version mismatch |
| # endif |
| #else |
| # error unknown OS |
| #endif |
| |
| void foo() |
| { |
| } |
