cleanup CMakeLists.txt (remove unused library "common")

CMakeLists.txt

@@ -6,13 +6,11 @@ set(CMAKE_C_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-add_library(common OBJECT
+add_executable(Uebung0
+        src/main.c
         src/controller.c
-        src/controller.h)
-
-add_executable(Uebung0 src/main.c
-        src/controller.c
-        src/controller.h)
+        src/controller.h
+)
 
 # Fetch GoogleTest
 Include(FetchContent)
@@ -28,7 +26,8 @@ enable_testing()
 
 
 add_executable(test_controller
-        $<TARGET_OBJECTS:common>
+        src/controller.c
+        src/controller.h
         src/controller.test.cpp
 )