allow to link with libomp on macos with clang

.github/workflows/build_linux_manywheel.yml

@@ -1,4 +1,4 @@
-name: Build and Upload Manylinux2014 Python Wheels
+name: Build+Upload Manylinux2014 Python Wheels
 on:
   push:
     branches:

.github/workflows/build_macos_wheel.yml

@@ -1,4 +1,4 @@
-name: Build and Upload macOS Python Wheels
+name: Build+Upload MacOS Python Wheels
 on:
   push:
     branches:

.github/workflows/build_windows_wheel.yml

@@ -1,4 +1,4 @@
-name: Build and Upload Windows Python Wheels
+name: Build+Upload Windows Python Wheels
 on:
   push:
     branches:

src/Makefile

@@ -106,7 +106,10 @@ ifeq ($(findstring _NT-,$(PLATFORM)), _NT-)
   export CC CXX
 else ifeq ($(findstring Darwin,$(PLATFORM)), Darwin)
   CUDA_STATIC=--cudart static
+  OMP=-Xclang -fopenmp
   CPPOPT+=$(OMP)
+  LINKOPT+=-L/usr/local/lib
+  INCLUDEDIRS+=-I/usr/local/include
 else
   CPPOPT+=$(OMP)
   CUCCOPT+=-Xcompiler $(OMP)

src/mcx_utils.c

@@ -1201,7 +1201,7 @@ void mcx_kahanSum(float* sum, float* kahanc, float input) {
 */
 
 float mcx_updatemua(unsigned int mediaid, Config* cfg) {
-    float mua;
+    float mua = 0.f;
 
     if (cfg->mediabyte <= 4) {
         mua = cfg->prop[mediaid & MED_MASK].mua;

src/mcxlab.cpp

@@ -481,7 +481,8 @@ void mexFunction(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) {
                         cfg.prop[i + 1].mus /= cfg.unitinmm;
                     }
 
-                    dimtype propdim[2] = {4, cfg.medianum};
+                    dimtype propdim[2] = {4, 0};
+                    propdim[1] = (dimtype)cfg.medianum;
                     mxSetFieldByNumber(plhs[0], jstruct, 3, mxCreateNumericArray(2, propdim, mxSINGLE_CLASS, mxREAL));
                     memcpy((float*)mxGetPr(mxGetFieldByNumber(plhs[0], jstruct, 3)), cfg.prop, cfg.medianum * 4 * sizeof(float));
                 }