Add support for networking tests

CMakeLists.txt

@@ -25,6 +25,11 @@ set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wcast-align -Winfinite-recursion -Wnon-virtu
 set(CMAKE_CXX_FLAGS_DEBUG "-g")
 set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
 set(CMAKE_CXX_FLAGS_MINSIZEREL "-DNDEBUG")
+
+# Configure SFML
+set(SFML_SRC_DIR third_party/SFML)
+set(SFML_BUILD_DIR sfml_build)
+add_subdirectory(${SFML_SRC_DIR} ${SFML_BUILD_DIR})
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
 
 # Place all executables in the executable directory
@@ -35,10 +40,6 @@ file(COPY ./assets DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
 
 # Build the main application executables, if requested
 if(${BUILD_MAIN})
-  # Configure SFML
-  set(SFML_SRC_DIR third_party/SFML)
-  set(SFML_BUILD_DIR sfml_build)
-  add_subdirectory(${SFML_SRC_DIR} ${SFML_BUILD_DIR})
 
   # Find all the main files for the various applications
   # Currently this means any *.cpp file in the root of source

tests/unit/core/Loopback.cmake

@@ -6,3 +6,7 @@
 target_link_libraries(${EXE_NAME}
   PRIVATE  sfml-network
 )
+target_include_directories(${EXE_NAME}
+  PRIVATE ${CMAKE_SOURCE_DIR}/third_party/SFML/include
+)
+