OpenSSL missing on Windows targets
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Description
General problem: OpenSSL libraries are not available on GitHub hosted runners for Windows. They are also not installed by the setup-ros action.
Specific problem: I'm trying to build an overlay workspace for generating messages with a custom IDL generator. This requires rosidl_default_generators which ultimately pulls in rosidl_typesupport_fastrtps_cConfig.cmake and fastrtps-config.cmake which, for the binary distribution, has a hard dependency on SSL.
Expected Behavior
OpenSSL is a ROS2 dependency, so I would expect this action to properly install and configure OpenSSL and required environment variables.
Actual Behavior
Output such as:
CMake Error at C:/Program Files/CMake/share/cmake-3.14/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the
system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY
OPENSSL_INCLUDE_DIR)
To Reproduce
I've attached an overlay repos file (ros2_message_overlay.txt) which fails to build in a GitHub Action due to missing OpenSSL.
Alternatively, I've also produced a similar output building an overlay workspace which contains nothing but the unique_identifier_msgs package.
System (please complete the following information)
- OS: Windows 10
- ROS 2 Distro: Eloquent