Add Apple M1 cmake build

.cirrus.yml

@@ -10,6 +10,18 @@ task:
   - export CPPFLAGS="-I/opt/homebrew/opt/llvm/include"
   - make TARGET=VORTEX USE_OPENMP=1 CC=clang
 
+task:
+  name: AppleM1/LLVM/CMAKE
+  compile_script:
+  - brew install llvm
+  - export PATH=/opt/homebrew/opt/llvm/bin:$PATH
+  - export LDFLAGS="-L/opt/homebrew/opt/llvm/lib"
+  - export CPPFLAGS="-I/opt/homebrew/opt/llvm/include"
+  - mkdir build
+  - cd build
+  - cmake -DTARGET=VORTEX -DUSE_OPENMP=1 -DCMAKE_C_COMPILER=clang -DBUILD_SHARED_LIBS=ON ..
+  - make
+  
 macos_instance:
   image: ghcr.io/cirruslabs/macos-monterey-xcode:13.4
 task:
@@ -47,8 +59,9 @@ task:
   - export #PATH=/opt/homebrew/opt/llvm/bin:$PATH
   - export #LDFLAGS="-L/opt/homebrew/opt/llvm/lib"
   - export #CPPFLAGS="-I/opt/homebrew/opt/llvm/include" 
+  - find /Applications/Xcode-13.4.1.app/Contents/Developer/Platforms -name "IPhoneOS*sdk"
   - export CC=/Applications/Xcode-13.4.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
-  - export CFLAGS="-O2 -unwindlib=none -Wno-macro-redefined -isysroot /Applications/Xcode-13.4.1.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneOS15.5.sdk -arch arm64 -miphoneos-version-min=10.0"
+  - export CFLAGS="-O2 -unwindlib=none -Wno-macro-redefined -isysroot /Applications/Xcode-13.4.1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.5.sdk -arch arm64 -miphoneos-version-min=10.0"
   - make TARGET=ARMV8 DYNAMIC_ARCH=1 NUM_THREADS=32 HOSTCC=clang NOFORTRAN=1
   always:
     config_artifacts: