building for different architectures on osx

build/build.sh

@@ -1,3 +1,3 @@
 SCRIPT_REL_DIR=$(dirname "${BASH_SOURCE[0]}")
-$SCRIPT_REL_DIR/build_.sh debug osx intel
+$SCRIPT_REL_DIR/build_.sh prod osx arm64
 # $SCRIPT_REL_DIR/build_.sh debug wasm intel

build/build_.sh

@@ -210,6 +210,17 @@ then
   LinkerFlags=$LinkerFlags_osx
   LinkerLibs=$LinkerLibs_osx
 
+  if [ "${ARCH}" == "arm64" ]
+  then
+    CompilerFlags="${CompilerFlags} -arch arm64"
+  elif [ "${ARCH}" == "intel" ]
+  then
+    CompilerFlags="${CompilerFlags} -arch x86_64"
+  else
+    echo "ERROR: Unrecognized Arch: ${ARCH}"
+    exit 0
+  fi
+
 elif [ "${PLATFORM}" == "wasm" ]
 then
   Compiler=$Compiler_wasm