BuildSystem: link libraries when they change

This also fixed the need for manual linkin on firt build

userspace/test/CMakeLists.txt

@@ -8,9 +8,7 @@ set(TEST_SOURCES
 
 add_executable(test ${TEST_SOURCES})
 target_compile_options(test PUBLIC -O2 -g)
-add_dependencies(test libc-install)
-target_link_options(test PUBLIC -nodefaultlibs)
-target_link_libraries(test PUBLIC ${BANAN_LIB}/libc.a)
+target_link_libraries(test PUBLIC libc)
 
 add_custom_target(test-install
 	COMMAND cp ${CMAKE_CURRENT_BINARY_DIR}/test ${BANAN_BIN}/