Update to MacOSX SDK 11.1, add Mac M1

3 files changed, 32 insertions, 14 deletions

diff --git a/contrib/depends/README.md b/contrib/depends/README.md
index 10866acbe..f7c0b922f 100644
--- a/contrib/depends/README.md
+++ b/contrib/depends/README.md
@@ -61,9 +61,9 @@ download-linux: run 'make download-linux' to fetch all sources needed for linux
 
 #Darwin (macos) builds:
 
-To build with the x86_64-apple-darwin11 you require the mac os developer tools in MacOSX10.11.sdk. 
+To build with the x86_64-apple-darwin11 you require the mac os developer tools in MacOSX11.1.sdk.
 Download it from apple, or search for it on github. Create a new directoty called SDKs in this
-directory and place the entire MacOSX10.11.sdk folder in it. The depends build will then pick it up automatically
+directory and place the entire MacOSX11.1.sdk folder in it. The depends build will then pick it up automatically
 (without requiring SDK_PATH). 
 
 
diff --git a/contrib/depends/hosts/darwin.mk b/contrib/depends/hosts/darwin.mk
index 7b5c8b051..0b6582003 100644
--- a/contrib/depends/hosts/darwin.mk
+++ b/contrib/depends/hosts/darwin.mk
@@ -1,9 +1,14 @@
 OSX_MIN_VERSION=10.8
-OSX_SDK_VERSION=10.11
+OSX_SDK_VERSION=11.1
 OSX_SDK=$(SDK_PATH)/MacOSX$(OSX_SDK_VERSION).sdk
 LD64_VERSION=253.9
-darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -B $(host_prefix)/native/bin
-darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -stdlib=libc++ -B $(host_prefix)/native/bin
+ifeq (aarch64, $(host_arch))
+CC_target=arm64-apple-darwin11
+else
+CC_target=$(host)
+endif
+darwin_CC=clang -target $(CC_target) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -B$(host_prefix)/native/bin/$(host)-
+darwin_CXX=clang++ -target $(CC_target) -mmacosx-version-min=$(OSX_MIN_VERSION) --sysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -stdlib=libc++ -B$(host_prefix)/native/bin/$(host)-
 
 darwin_CFLAGS=-pipe
 darwin_CXXFLAGS=$(darwin_CFLAGS)
diff --git a/contrib/depends/toolchain.cmake.in b/contrib/depends/toolchain.cmake.in
index c3a0df59b..3ed97633b 100644
--- a/contrib/depends/toolchain.cmake.in
+++ b/contrib/depends/toolchain.cmake.in
@@ -69,22 +69,35 @@ set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) # Find includes in target
 
 # specify the cross compiler to be used. Darwin uses clang provided by the SDK.
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+  if(ARCHITECTURE STREQUAL "aarch64")
+    SET(CLANG_TARGET "arm64-apple-darwin11")
+    SET(CONF_TRIPLE "aarch64-apple-darwin11")
+    SET(BUILD_TAG "mac-armv8")
+    SET(CMAKE_OSX_ARCHITECTURES "arm64")
+    set(ARM ON)
+    set(ARM_ID "armv8-a")
+  else()
+    SET(CLANG_TARGET "x86_64-apple-darwin11")
+    SET(CONF_TRIPLE "x86_64-apple-darwin11")
+    SET(BUILD_TAG "mac-x64")
+    SET(CMAKE_OSX_ARCHITECTURES "x86_64")
+  endif()
+  SET(_CMAKE_TOOLCHAIN_PREFIX @prefix@/native/bin/${CONF_TRIPLE}-)
   SET(CMAKE_C_COMPILER @prefix@/native/bin/clang)
-  SET(CMAKE_C_COMPILER_TARGET x86_64-apple-darwin11)
+  SET(CMAKE_C_COMPILER_TARGET ${CLANG_TARGET})
+  SET(CMAKE_C_FLAGS_INIT -B${_CMAKE_TOOLCHAIN_PREFIX})
   SET(CMAKE_CXX_COMPILER @prefix@/native/bin/clang++ -stdlib=libc++)
-  SET(CMAKE_CXX_COMPILER_TARGET x86_64-apple-darwin11)
-  SET(CMAKE_ASM_COMPILER_TARGET x86_64-apple-darwin11)
-  SET(CMAKE_ASM-ATT_COMPILER_TARGET x86_64-apple-darwin11)
-  SET(_CMAKE_TOOLCHAIN_PREFIX x86_64-apple-darwin11-)
+  SET(CMAKE_CXX_COMPILER_TARGET ${CLANG_TARGET})
+  SET(CMAKE_CXX_FLAGS_INIT -B${_CMAKE_TOOLCHAIN_PREFIX})
+  SET(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET})
+  SET(CMAKE_ASM-ATT_COMPILER_TARGET ${CLANG_TARGET})
   SET(APPLE True)
-  SET(BUILD_TAG "mac-x64")
   SET(BUILD_64 ON)
   SET(BREW OFF)
   SET(PORT OFF)
-  SET(CMAKE_OSX_SYSROOT "@sdk@/MacOSX10.11.sdk/")
+  SET(CMAKE_OSX_SYSROOT "@sdk@/MacOSX11.1.sdk/")
   SET(CMAKE_OSX_DEPLOYMENT_TARGET "10.08")
   SET(CMAKE_CXX_STANDARD 14)
-  SET(CMAKE_OSX_ARCHITECTURES "x86_64")
   SET(LLVM_ENABLE_PIC OFF)
   SET(LLVM_ENABLE_PIE OFF)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
@@ -126,7 +139,7 @@ elseif(ARCHITECTURE STREQUAL "aarch64")
   set(ARM_ID "armv8-a")
   if(ANDROID)
     set(BUILD_TAG "android-armv8")
-  else()
+  elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
     set(BUILD_TAG "linux-armv8")
   endif()
   set(BUILD_64 ON)