idem

tools/pack_resources/Makefile

@@ -3,8 +3,8 @@
 
 # Variables
 CXX := g++
-CXXFLAGS := -std=c++20 -Wall -Os
-SOURCES := pack_resources.cpp ../../source/resource_pack.cpp
+CXXFLAGS := -std=c++20 -Wall -Os -I../../source
+SOURCES := pack_resources.cpp ../../source/core/resources/resource_pack.cpp
 TARGET := pack_resources
 CLEAN_FILES := pack_resources *.pack *.o