use zero-autotools approach when compiling libsodium on mac (#1725)

* Update build-macos-portable.sh

update macro names

* Update build-macos-portable.sh

Make config.sub executable

* Update build-macos-portable.sh

Let's use zero-autotools approach when compiling libsodium on mac

* Update build-macos-portable.sh

refactor libsodium directory

Author: neodix42

assembly/native/build-macos-portable.sh

@@ -65,19 +65,19 @@ else
   echo "Using compiled lz4"
 fi
 
-if [ ! -d "../3pp/libsodium" ]; then
+if [ ! -d "../3pp/libsodium-1.0.18" ]; then
   export LIBSODIUM_FULL_BUILD=1
-  git clone https://github.com/jedisct1/libsodium.git ../3pp/libsodium
-  cd ../3pp/libsodium
+  cd ../3pp
+  curl -LO https://download.libsodium.org/libsodium/releases/libsodium-1.0.18.tar.gz
+  tar -xzf libsodium-1.0.18.tar.gz
+  cd libsodium-1.0.18
   sodiumPath=`pwd`
-  git checkout 1.0.18
-  ./autogen.sh
   ./configure --with-pic --enable-static
   make -j4
   test $? -eq 0 || { echo "Can't compile libsodium"; exit 1; }
   cd ../../build
 else
-  sodiumPath=$(pwd)/../3pp/libsodium
+  sodiumPath=$(pwd)/../3pp/libsodium-1.0.18
   echo "Using compiled libsodium"
 fi