Update to PythonWrapper build

Added cmake script for building darwin version.

PythonWrapper/build_darwin/clean.sh

@@ -0,0 +1,5 @@
+rm -f  CMakeCache.txt
+rm -rf CMakeFiles
+rm -f Makefile
+rm -rf bin_dsp
+rm -f cmake_install.cmake

PythonWrapper/build_darwin/create.sh

@@ -0,0 +1,12 @@
+cmake -DHOST=YES \
+  -DLOOPUNROLL=ON \
+  -DWRAPPER=YES \
+  -DCMAKE_POSITION_INDEPENDENT_CODE=YES \
+  -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64" \
+  -DCMSISDSP="path to CMSIS-DSP folder" \
+  -DCMAKE_C_FLAGS_RELEASE="-std=c11 -Ofast -ffast-math -DNDEBUG -Wall -Wextra" \
+  -DCMAKE_CXX_FLAGS_RELEASE="-fno-rtti -std=c++11 -Ofast -ffast-math -DNDEBUG -Wall -Wextra -Wno-unused-parameter" \
+  -G "Unix Makefiles" ..
+
+# For Mac universal lib
+# -arch x86_64 -arch arm64 -mmacosx-version-min=11.0

setup.py

@@ -104,11 +104,16 @@ def mkModule(name,srcs,funcDir):
   lib = ["CMSISDSP"]
   extraobjs=[]
   
-  if sys.platform.startswith('linux') or sys.platform.startswith('darwin'):
+  if sys.platform.startswith('linux'):
     lib = []
     extraobjs = [os.path.join(ROOT,"PythonWrapper","build_linux","bin_dsp","libCMSISDSP.a")]
     libdir = []
  
+  if sys.platform.startswith('darwin'):
+    lib = []
+    extraobjs = [os.path.join(ROOT,"PythonWrapper","build_darwin","bin_dsp","libCMSISDSP.a")]
+    libdir = []
+ 
   return(Extension(name,
                     sources = (srcs
                               )