Macros for handling iOS API availabilities, disabling deprecation warnings in both clang and deploymate

availability.h

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)

#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_EQUAL_OR_GREATER_THAN(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)

#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_EQUAL_OR_LESS_THAN(v)        ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

// pragmas

#define PRAGMA_AVAILABLE_PUSH  \
    _Pragma("deploymate push \"ignored-api-availability\"") \
    _Pragma("clang diagnostic push") \
    _Pragma("clang diagnostic ignored \"-Wdeprecated\"")

#define PRAGMA_AVAILABLE_POP  \
    _Pragma("clang diagnostic pop") \
    _Pragma("deploymate pop")

// availability if

#define AVAILABLE_API_IF_EQUAL_TO(v)  \
    PRAGMA_AVAILABLE_PUSH \
    if SYSTEM_VERSION_EQUAL_TO(v) {

#define AVAILABLE_API_IF_GREATER_THAN(v)  \
    PRAGMA_AVAILABLE_PUSH \
    if SYSTEM_VERSION_GREATER_THAN(v) {

#define AVAILABLE_API_IF_EQUAL_OR_GREATER_THAN(v)  \
    PRAGMA_AVAILABLE_PUSH \
    if SYSTEM_VERSION_EQUAL_OR_GREATER_THAN(v) {


#define AVAILABLE_API_IF_LESS_THAN(v)  \
    PRAGMA_AVAILABLE_PUSH \
    if SYSTEM_VERSION_LESS_THAN(v) {

#define AVAILABLE_API_IF_EQUAL_OR_LESS_THAN(v)  \
    PRAGMA_AVAILABLE_PUSH \
    if SYSTEM_VERSION_EQUAL_OR_LESS_THAN(v) {

// availability else/end

#define AVAILABLE_API_ELSE } else {

#define AVAILABLE_API_END  \
    } \
    PRAGMA_AVAILABLE_POP