Always create include link for Arbutils

CMakeLists.txt

@@ -15,6 +15,7 @@ option(TESTS "Whether the test executable should be build as well." OFF)
 option(STATICC "Whether gcc and stdc++ should be linked statically to the library." OFF)
 set(LEVEL_SIZE "8" CACHE STRING "Number of bits to store the level as. Currently reserved, and can only be 8")
 
+execute_process(COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/include)
 CPMAddPackage(
         NAME Arbutils
         GIT_REPOSITORY https://git.p-epsilon.com/Deukhoofd/Arbutils.git
@@ -24,12 +25,7 @@ CPMAddPackage(
         "WINDOWS=${WINDOWS}"
         "STATICC=${STATICC}"
 )
-if (Arbutils_ADDED)
+execute_process(COMMAND ln -sf ${Arbutils_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/include/Arbutils)
-    execute_process(COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/include)
-    execute_process(COMMAND ln -sf ${Arbutils_SOURCE_DIR}/src
-            ${CMAKE_CURRENT_BINARY_DIR}/include/Arbutils)
-
-endif ()
 include_directories(${CMAKE_CURRENT_BINARY_DIR}/include)
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")