From 2e259e946d125d9cf53702ee4605c3e01a29457c Mon Sep 17 00:00:00 2001
From: jacekpoz <jacekpoz@cock.li>
Date: Wed, 24 Apr 2024 20:03:18 +0200
Subject: [PATCH] improve make preprocess

fun story - I had this exact piece of code without a single changed not
work the prior 2 times, then I changed a bit, a part started working so
I changed it back to this and the 3rd time it somehow works
---
 Makefile | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index e430c2f..ccb260c 100644
--- a/Makefile
+++ b/Makefile
@@ -14,10 +14,6 @@ PREPROCESSED = preprocessed
 _PROG = HitObjectDrawable.cpp main.cpp osuparser.cpp TextureManager.cpp
 PROG = $(addprefix $(SRC)/, $(_PROG))
 
-PP_HXX = osuparser.hpp config.hpp
-PP_CXX = osuparser.cpp
-PP = $(PP_HXX) $(PP_CXX)
-
 OBJ = $(_PROG:.cpp=.o)
 
 .PHONY: all clean
@@ -42,9 +38,21 @@ clean:
 
 TMP = temp
 
-preprocess: dirs
+tmp:
 	mkdir -p $(TMP)
-	$(foreach file, $(PP_HXX), $(CXX) $(CXXFLAGS) -E $(INCLUDE)/$(file) > $(TMP)/$(file);)
-	$(foreach file, $(PP_CXX), $(CXX) $(CXXFLAGS) -E $(SRC)/$(file) > $(TMP)/$(file);)
-	$(foreach file, $(PP), clang-format $(TMP)/$(file) > $(PREPROCESSED)/$(file);)
+
+_PP_HXX = osuparser.hpp config.hpp
+_PP_CXX = osuparser.cpp
+_PP = $(_PP_HXX) $(_PP_CXX)
+PP = $(addprefix $(PREPROCESSED)/, $(_PP))
+
+preprocess: dirs tmp $(PP)
 	rm -rf $(TMP)
+
+$(PREPROCESSED)/%.hpp: $(INCLUDE)/%.hpp
+	$(CXX) $(CXXFLAGS) -E $< > $(TMP)/$(@:$(PREPROCESSED)/%=%)
+	clang-format $(TMP)/$(@:$(PREPROCESSED)/%=%) > $@
+
+$(PREPROCESSED)/%.cpp: $(SRC)/%.cpp
+	$(CXX) $(CXXFLAGS) -E $< > $(TMP)/$(@:$(PREPROCESSED)/%=%)
+	clang-format $(TMP)/$(@:$(PREPROCESSED)/%=%) > $@