Compile openssl from source for macos

.github/workflows/master.yml

@@ -127,16 +127,24 @@ jobs:
 
   Build_macOs:
     needs: [macos_helper]
-    runs-on: macos-12
+    runs-on: macos-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Install Protobuf
         run: brew install protobuf
 
-      - name: Building Macos Binary
-        run: MACOSX_DEPLOYMENT_TARGET=10.14 OPENSSL_STATIC=1 OPENSSL_DIR="/usr/local/opt/openssl" cargo build --release -p witnet -p witnet_toolkit
+      - name: Compile openssl 1.0.2p from source
+        run: sh ./docker/cross-compilation/openssl-macos.sh
+
+      - name: Build Macos Binary
+        env:
+          MACOSX_DEPLOYMENT_TARGET: "10.14"
+          OPENSSL_STATIC: "1"
+          OPENSSL_DIR: "/usr/local/openssl"
+        run: |
+          cargo build --release -p witnet -p witnet_toolkit
 
       - name: Upload Build
         uses: actions/upload-artifact@v4

docker/cross-compilation/openssl-macos.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+set -ex
+
+main() {
+    local version=1.0.2p
+    local install_dir="/usr/local/openssl"
+
+    # Install dependencies using brew
+    brew install \
+        m4 \
+        make
+
+    # Create temporary directory
+    td=$(mktemp -d)
+    pushd $td
+
+    # Download and extract OpenSSL
+    wget https://www.openssl.org/source/openssl-$version.tar.gz
+    tar --strip-components=1 -xzvf openssl-$version.tar.gz
+
+    # Configure OpenSSL for arm64, disabling assembly
+    ./Configure \
+        --prefix="$install_dir" \
+        darwin64-x86_64-cc \
+        no-dso \
+        no-asm \
+        -fPIC \
+        ${@:1}
+
+    # Modify the generated Makefile to use arm64
+    perl -pi -e 's/-arch x86_64/-arch arm64/g' Makefile
+
+    # Build using all available cores
+    KERNEL_BITS=64 make -j$(sysctl -n hw.ncpu)
+
+    # Install
+    sudo make install
+
+    popd
+
+    # Cleanup
+    rm -rf $td
+}
+
+main "${@}"