Finished C++ Dockerfile.

Author: ludgerpaehler

.packaging/Dockerfile.cpp_env

@@ -22,7 +22,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   gfortran \
   cmake \
   ninja-build \
-  git
+  git \
+  libssl-dev
 
 # Setup a custom certificate/SSL settings depending upon build arguments
 # Include README.md here so that the build doesn't fail if there is no custom