Apple silicon: arm64 macOS and arm64 iOS simulator

.github/workflows/build.yml

@@ -257,7 +257,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        target: [arm64, x86_64]
+        target: [arm64, x86_64, arm64-sim]
     steps:
       - name: Set Environment Variables
         run: |

.gitignore

@@ -1,2 +1,3 @@
 __pycache__/
 *.pyc
+.DS_Store

desktop.py

@@ -15,7 +15,7 @@ import runtime
 targets = {
     'linux': ['x86', 'x86_64'],
     'windows': ['x86', 'x86_64'],
-    'osx': ['x86_64']
+    'osx': ['arm64', 'x86_64']
 }
 
 target_arch = {
@@ -28,14 +28,24 @@ target_arch = {
         'x86_64': 'x86_64'
     },
     'osx': {
+        'arm64': 'arm64',
         'x86_64': 'x86_64'
     }
 }
 
 host_triples = {
-    'linux': '%s-linux-gnu',
+    'linux': {
-    'windows': '%s-w64-mingw32',
+        'x86': 'i686-linux-gnu',
-    'osx': '%s-apple-darwin',
+        'x86_64': 'x86_64-linux-gnu'
+    },
+    'windows': {
+        'x86': 'i686-w64-mingw32',
+        'x86_64': 'x86_64-w64-mingw32'
+    },
+    'osx': {
+        'arm64': 'aarch64-apple-darwin20',
+        'x86_64': 'x86_64-apple-darwin'
+    }
 }
 
 llvm_table = {
@@ -70,7 +80,7 @@ def get_osxcross_sdk(osxcross_bin, arch):
 
 
 def setup_desktop_template(env: dict, opts: DesktopOpts, product: str, target_platform: str, target: str):
-    host_triple = host_triples[target_platform] % target_arch[target_platform][target]
+    host_triple = host_triples[target_platform][target]
 
     CONFIGURE_FLAGS = [
         '--disable-boehm',
@@ -137,7 +147,20 @@ def setup_desktop_template(env: dict, opts: DesktopOpts, product: str, target_pl
             # DTrace is not available when building with OSXCROSS
             CONFIGURE_FLAGS += ['--enable-dtrace=no']
         else:
-            env['_%s-%s_CC' % (product, target)] = 'cc'
+            osx_toolchain = '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain'
+
+            env['_%s-%s_CC' % (product, target)] = '%s/usr/bin/clang' % osx_toolchain
+            env['_%s-%s_CXX' % (product, target)] = '%s/usr/bin/clang++' % osx_toolchain
+
+            osx_sysroot = '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk'
+
+            CFLAGS = [
+                '-isysroot', osx_sysroot,
+                '-arch', target_arch[target_platform][target]
+            ]
+
+            env['_%s-%s_CFLAGS' % (product, target)] = CFLAGS
+            env['_%s-%s_CXXFLAGS' % (product, target)] = CFLAGS
 
     env['_%s-%s_CONFIGURE_FLAGS' % (product, target)] = CONFIGURE_FLAGS
 

ios.py

@@ -14,7 +14,7 @@ import runtime
 this_script_dir = os.path.dirname(os.path.realpath(__file__))
 
 device_targets = ['armv7', 'arm64']
-sim_targets = ['i386', 'x86_64']
+sim_targets = ['i386', 'x86_64', 'arm64-sim']
 cross_targets = ['cross-armv7', 'cross-arm64']
 
 
@@ -26,6 +26,7 @@ class iOSTargetTable:
     archs = {
         'armv7': 'arm',
         'arm64': 'arm64',
+        'arm64-sim': 'arm64',
         'i386': 'i386',
         'x86_64': 'x86_64'
     }
@@ -33,6 +34,7 @@ class iOSTargetTable:
     host_triples = {
         'armv7': 'arm-apple-darwin11',
         'arm64': 'aarch64-apple-darwin11',
+        'arm64-sim': 'aarch64-apple-darwin11',
         'i386': 'i386-apple-darwin11',
         'x86_64': 'x86_64-apple-darwin11'
     }
@@ -40,6 +42,7 @@ class iOSTargetTable:
     osxcross_tool_triples = {
         'armv7': 'arm-apple-darwin11', # TODO: ?
         'arm64': 'arm-apple-darwin11',
+        'arm64-sim': 'arm-apple-darwin11',
         'i386': 'i386-apple-darwin11', # TODO: ?
         'x86_64': 'x86_64-apple-darwin11'
     }
@@ -185,7 +188,7 @@ def setup_ios_simulator_template(env: dict, opts: iOSOpts, target: str):
     if not ios_sysroot_path:
         raise RuntimeError('Cannot find iOS SDK; specify one manually with \'--ios-sdk\'.')
 
-    sysroot_flags = ['-isysroot', ios_sysroot_path, '-miphoneos-version-min=%s' % opts.ios_version_min]
+    sysroot_flags = ['-isysroot', ios_sysroot_path, '-mios-simulator-version-min=%s' % opts.ios_version_min]
 
     arch = iOSTargetTable.archs[target]
     host_triple = iOSTargetTable.host_triples[target]
@@ -306,8 +309,11 @@ class iOSCrossTable:
     }
 
 
-def setup_ios_cross_template(env: dict, opts: iOSOpts, target: str, host_arch: str):
+def llvm_for(host_arch: str) -> str:
+    return 'llvmarm64' if host_arch == 'arm64' else 'llvm64'
 
+
+def setup_ios_cross_template(env: dict, opts: iOSOpts, target: str, host_arch: str):
     target_triple = iOSCrossTable.target_triples[target]
     device_target = iOSCrossTable.device_targets[target]
     offsets_dumper_abi = iOSCrossTable.offsets_dumper_abis[target]
@@ -411,7 +417,7 @@ def setup_ios_cross_template(env: dict, opts: iOSOpts, target: str, host_arch: s
     env['_ios-%s_CONFIGURE_FLAGS' % target] = CONFIGURE_FLAGS
 
     # Runtime cross template
-    runtime.setup_runtime_cross_template(env, opts, 'ios', target, host_triple, target_triple, device_target, 'llvm64', offsets_dumper_abi)
+    runtime.setup_runtime_cross_template(env, opts, 'ios', target, host_triple, target_triple, device_target, llvm_for(host_arch), offsets_dumper_abi)
 
 
 def strip_libs(opts: iOSOpts, product: str, target: str):
@@ -427,8 +433,11 @@ def configure(opts: iOSOpts, product: str, target: str):
     if is_cross(target):
         import llvm
 
-        llvm.make(opts, 'llvm64')
+        host_arch='x86_64'
-        setup_ios_cross_template(env, opts, target, host_arch='x86_64')
+
+        llvm.make(opts, llvm_for(host_arch))
+
+        setup_ios_cross_template(env, opts, target, host_arch)
     else:
         if is_sim:
             setup_ios_simulator_template(env, opts, target)

llvm.py

@@ -11,7 +11,7 @@ from os_utils import *
 # TODO: OSXCROSS
 
 
-target_values = ['llvm32', 'llvm64', 'llvmwin32', 'llvmwin64']
+target_values = ['llvm32', 'llvm64', 'llvmarm64', 'llvmwin32', 'llvmwin64']
 mxe_targets = {
     'llvmwin32': {'arch': 'i686', 'mxe': 'mxe-Win32'},
     'llvmwin64': {'arch': 'x86_64', 'mxe': 'mxe-Win64'}