[ox/event] Add Event package

deps/ox/src/ox/event/CMakeLists.txt

@@ -0,0 +1,47 @@
+add_library(
+    OxEvent
+        signal.cpp
+)
+
+if(NOT MSVC)
+    target_compile_options(OxEvent PRIVATE -Wsign-conversion)
+endif()
+
+if(NOT OX_BARE_METAL)
+    set_property(
+        TARGET
+            OxEvent
+        PROPERTY
+            POSITION_INDEPENDENT_CODE ON
+    )
+endif()
+
+target_compile_definitions(
+    OxEvent PUBLIC
+        $<$<BOOL:${OX_USE_STDLIB}>:OX_USE_STDLIB>
+        $<$<BOOL:${OX_NODEBUG}>:OX_NODEBUG>
+)
+
+target_link_libraries(
+    OxEvent PUBLIC
+        $<$<BOOL:${OX_USE_STDLIB}>:dl>
+        $<$<CXX_COMPILER_ID:GNU>:gcc>
+        OxStd
+)
+
+install(
+    FILES
+        event.hpp
+        signal.hpp
+    DESTINATION
+        include/ox/event
+)
+
+install(TARGETS OxEvent
+        LIBRARY DESTINATION lib/ox
+        ARCHIVE DESTINATION lib/ox
+)
+
+if(OX_RUN_TESTS)
+    add_subdirectory(test)
+endif()