Add OpenSSL installation to GCC setup for cross-compilation

Author: sebastianrath

.github/workflows/graphs/build-test-publish.act

@@ -71,7 +71,7 @@ nodes:
       x: -3030
       y: 4770
     inputs:
-      install: mingw-w64-ucrt-x86_64-gcc
+      install: mingw-w64-ucrt-x86_64-gcc mingw-w64-ucrt-x86_64-openssl
   - id: concurrent-for-each-loop-v1-starfish-white-whale
     type: core/concurrent-for-each-loop@v1
     position:
@@ -107,12 +107,14 @@ nodes:
 
 
         export CC=gcc
+        export CXX=g++
 
         # Cgo requires a cross-compiler that is not installed on GitHub runners
         as of now.
 
         [[ "$CURRENT_OS" == "linux" && "$ARCH" == "arm64" ]] &&
-        CC=aarch64-linux-gnu-gcc
+        CC=aarch64-linux-gnu-gcc &&
+        CXX=aarch64-linux-gnu-g++
 
 
         # Download P4 API SDK for the target platform
@@ -288,8 +290,8 @@ nodes:
     inputs:
       script: |-
         # check the build node script
-        sudo apt-get update && sudo apt-get install -y gcc-aarch64-linux-gnu
-    comment: Install a GCC version capable of cross-compiling
+        sudo apt-get update && sudo apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
+    comment: Install a GCC/G++ version capable of cross-compiling
   - id: switch-platform-v1-dog-snake-ivory
     type: core/switch-platform@v1
     position: