build moonlight common c

CMakeLists.txt

@@ -50,6 +50,13 @@ endif()
 set(CMAKE_CXX_FLAGS_RELEASE "-O2")
 set(CMAKE_C_FLAGS_RELEASE "-O2")
 
+# submodules
+# moonlight common library
+# find_package(OpenSSL REQUIRED)
+include(GetOpenSSL REQUIRED)
+set(ENET_NO_INSTALL ON CACHE BOOL "Don't install any libraries built for enet")
+add_subdirectory("${CMAKE_SOURCE_DIR}/third-party/moonlight-common-c")
+
 set(MOONLIGHT_SOURCES
         "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp"
 )

cmake/modules/GetOpenSSL.cmake

@@ -0,0 +1,33 @@
+include_guard(GLOBAL)
+
+set(OPENSSL_VERSION 3.3.2)
+set(OPENSSL_URL "https://github.com/openssl/openssl/releases/download/openssl-${OPENSSL_VERSION}/openssl-${OPENSSL_VERSION}.tar.gz")
+
+find_package(OpenSSL ${OPENSSL_VERSION})
+if(NOT OpenSSL_FOUND OR NOT TARGET OpenSSL::Crypto)
+    message(STATUS "OpenSSL v${OPENSSL_VERSION} package not found in the system or incomplete. Falling back to FetchContent.")
+    include(FetchContent)
+
+    # Avoid warning about DOWNLOAD_EXTRACT_TIMESTAMP in CMake 3.24:
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+        cmake_policy(SET CMP0135 NEW)
+    endif()
+
+    FetchContent_Declare(
+            OpenSSL
+            URL ${OPENSSL_URL}
+            SYSTEM
+            OVERRIDE_FIND_PACKAGE
+    )
+
+    FetchContent_MakeAvailable(openssl)
+
+    set(OpenSSL_FOUND TRUE)
+    set(OPENSSL_INCLUDE_DIR ${OpenSSL_SOURCE_DIR}/include)
+    set(OPENSSL_CRYPTO_LIBRARY ${OpenSSL_BINARY_DIR}/lib/libcrypto.a)
+    set(OPENSSL_SSL_LIBRARY ${OpenSSL_BINARY_DIR}/lib/libssl.a)
+    set(OPENSSL_LIBRARIES OpenSSL::Crypto OpenSSL::SSL)
+endif()
+
+message(STATUS "OpenSSL include dirs: ${OPENSSL_INCLUDE_DIR}")
+message(STATUS "OpenSSL libraries: ${OPENSSL_LIBRARIES}")