global export/import

CMakeLists.txt

@@ -18,9 +18,18 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
 
+option(SOLANACEAE_ECOSYSTEM_BUILD_PLUGINS "Build plugins and not hosts (totato)" ON)
 option(SOLANACEAE_ECOSYSTEM_BUILD_TESTING "Build tests" ${BUILD_TESTING})
 message("II SOLANACEAE_ECOSYSTEM_BUILD_TESTING " ${SOLANACEAE_ECOSYSTEM_BUILD_TESTING})
 
+if (SOLANACEAE_ECOSYSTEM_BUILD_PLUGINS)
+	# uggly, but it needs to be defined for all dependencies too
+	# but this also means that we can not compile a host in the same cmake run as plugins
+	add_compile_definitions(ENTT_API_IMPORT)
+else()
+	add_compile_definitions(ENTT_API_EXPORT)
+endif()
+
 if (SOLANACEAE_ECOSYSTEM_BUILD_TESTING)
 	include(CTest)
 endif()