How to check Mac OS X version at runtime

Question

I am using below code to check OS X version at runtime.

if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_10)
{
    /* On a 10.10.x or earlier s         


        

Answer 1

Update:

Use #define NSAppKitVersionNumber10_10_Max 1349

Old:

From 10.11 SDK

#define NSAppKitVersionNumber10_7_2 1138.23
#define NSAppKitVersionNumber10_7_3 1138.32
#define NSAppKitVersionNumber10_7_4 1138.47
#define NSAppKitVersionNumber10_8 1187
#define NSAppKitVersionNumber10_9 1265
#define NSAppKitVersionNumber10_10 1343
#define NSAppKitVersionNumber10_10_2 1344
#define NSAppKitVersionNumber10_10_3 1347

for 10.10.4 Its 1348.0(From NSLog output)

They increase decimal part for 10.10.x constant.

The workaround is to use CFBundleVersion value /System/Library/Frameworks/AppKit.framework/Resources/Info.plist on 10.11.

if (NSAppKitVersionNumber < 1391.12)
{
    /* On a 10.10.x or earlier system */
}

NOTE: My OS X 10.11 build version is 15A244a. If someone have first build , Please update the value in if condition.