beta test for macos_arm64

make.inc.macos_arm64.gnu

@@ -0,0 +1,33 @@
+# makefile overrides
+# OS:       macOS
+# Compiler: gfortran X.X/Clang
+# OpenMP:   enabled
+#
+
+CC=gcc
+CXX=g++
+FC=gfortran
+
+FFLAGS= -fPIC -O3 -arch arm64 -std=legacy -w -mno-outline-atomics
+FFLAGS_DYN= -shared -fPIC
+CFLAGS= -fPIC -O3 -arch arm64 -std=c99
+CXXFLAGS= -std=c++11 -DSCTL_PROFILE=-1 -fPIC -O3 -arch arm64 
+
+
+ifeq ($(PREFIX),)
+    FMM_INSTALL_DIR=/usr/local/lib
+endif
+
+
+CFLAGS += -I src 
+
+# OpenMP with gcc on OSX needs the following
+OMPFLAGS = -fopenmp
+OMPLIBS = -lgomp
+
+# MATLAB interface:
+FDIR=$$(dirname `gfortran --print-file-name libgfortran.dylib`)
+MFLAGS +=-L${FDIR}
+MEX = $(shell ls -d /Applications/MATLAB_R* | sort | tail -1)/bin/mex
+
+