Merge pull request #17 from MSNexploder/arm64e-support

Support arm64e (A12 and beyond)

Author: leetal

README.md

@@ -30,8 +30,8 @@ This will build and install the library for the given IOS_PLATFORM.
 
 * Set `-DIOS_PLATFORM` to "SIMULATOR" to build for iOS simulator 32 bit (i386)
 * Set `-DIOS_PLATFORM` to "SIMULATOR64" (example above) to build for iOS simulator 64 bit (x86_64)
-* Set `-DIOS_PLATFORM` to "OS" to build for Device (armv7, armv7s, arm64)
-* Set `-DIOS_PLATFORM` to "OS64" to build for Device (arm64 only)
+* Set `-DIOS_PLATFORM` to "OS" to build for Device (armv7, armv7s, arm64, arm64e)
+* Set `-DIOS_PLATFORM` to "OS64" to build for Device (arm64, arm64e)
 * Set `-DIOS_PLATFORM` to "TVOS" to build for tvOS (arm64)
 * Set `-DIOS_PLATFORM` to "SIMULATOR_TVOS" to build for tvOS Simulator (x86_64)
 * Set `-DIOS_PLATFORM` to "WATCHOS" to build for watchOS (armv7k)
@@ -44,7 +44,7 @@ This will build and install the library for the given IOS_PLATFORM.
 
 `-DENABLE_VISIBILITY=(BOOL)` - Disabled by default, specify TRUE or 1 to enable symbol visibility support
 
-`-DIOS_ARCH=(STRING)` - Valid values are: armv7, armv7s, arm64, i386, x86_64, armv7k, arm64_32. By default it will build for all valid architectures based on `-DIOS_PLATFORM` (see above)
+`-DIOS_ARCH=(STRING)` - Valid values are: armv7, armv7s, arm64, arm64e, i386, x86_64, armv7k, arm64_32. By default it will build for all valid architectures based on `-DIOS_PLATFORM` (see above)
 
 __*The resulting binary will consist of only one platform. To combine all platforms into the same fat-library, use the LIPO tool. More information on this is available on the net.*__
 

ios.toolchain.cmake

@@ -53,6 +53,7 @@
 #
 # IOS_PLATFORM: OS (default) or SIMULATOR or SIMULATOR64 or TVOS or SIMULATOR_TVOS or WATCHOS
 #    OS = Build for iPhoneOS.
+#    OS64 = Build for arm64 iPhoneOS.
 #    SIMULATOR = Build for x86 i386 iPhone Simulator.
 #    SIMULATOR64 = Build for x86_64 iPhone Simulator.
 #    TVOS = Build for AppleTVOS.
@@ -70,7 +71,8 @@
 # ENABLE_ARC: (1|0) Enables or disables ARC support. Default 1 (true, ARC enabled by default)
 # ENABLE_VISIBILITY: (1|0) Enables or disables symbol visibility support. Default 0 (false, visibility hidden by default)
 # IOS_ARCH: (armv7 armv7s arm64 i386 x86_64) If specified, will override the default architectures for the given IOS_PLATFORM
-#    OS = armv7 armv7s arm64
+#    OS = armv7 armv7s arm64 arm64e
+#    OS64 = arm64 arm64e
 #    SIMULATOR = i386
 #    SIMULATOR64 = x86_64
 #    TVOS = arm64
@@ -139,12 +141,20 @@ set(IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING
 if (IOS_PLATFORM STREQUAL "OS")
   set(XCODE_IOS_PLATFORM iphoneos)
   if(NOT IOS_ARCH)
-    set(IOS_ARCH armv7 armv7s arm64)
+    if (XCODE_VERSION VERSION_GREATER 10.0)
+      set(IOS_ARCH armv7 armv7s arm64 arm64e)
+    else()
+      set(IOS_ARCH armv7 armv7s arm64)
+    endif()
   endif()
  elseif (IOS_PLATFORM STREQUAL "OS64")
   set(XCODE_IOS_PLATFORM iphoneos)
   if(NOT IOS_ARCH)
-    set(IOS_ARCH arm64)
+    if (XCODE_VERSION VERSION_GREATER 10.0)
+      set(IOS_ARCH arm64 arm64e)
+    else()
+      set(IOS_ARCH arm64)
+    endif()
   endif()
 elseif (IOS_PLATFORM STREQUAL "SIMULATOR")
   set(XCODE_IOS_PLATFORM iphonesimulator)