Polish makefile, again

.gitignore

@@ -17,5 +17,5 @@ curl_cffi.egg-info/
 curl-*/
 *.tar.xz
 *.tar.gz
-.patched
+.preprocessed
 include/

Makefile

@@ -8,25 +8,31 @@ $(CURL_VERSION):
 		-o "$(CURL_VERSION).tar.xz"
 	tar -xf $(CURL_VERSION).tar.xz
 
+curl-impersonate-$(VERSION)/chrome/patches: $(CURL_VERSION)
 	curl -L "https://github.com/yifeikong/curl-impersonate/archive/refs/tags/v$(VERSION).tar.gz" \
 		-o "curl-impersonate-$(VERSION).tar.gz"
 	tar -xf curl-impersonate-$(VERSION).tar.gz
 
-curl_cffi/include/curl/curl.h: $(CURL_VERSION)
+.preprocessed: curl-impersonate-$(VERSION)/chrome/patches
 	cd $(CURL_VERSION)
 	for p in $</curl-*.patch; do patch -p1 < ../$$p; done
 	# Re-generate the configure script
 	autoreconf -fi
 	mkdir -p ../curl_cffi/include/curl
 	cp -R include/curl/* ../curl_cffi/include/curl/
+	# Sentinel files: https://tech.davis-hansson.com/p/make/
+	touch .preprocessed
 
-preprocess: curl_cffi/include/curl/curl.h
+gen-const: .preprocessed
+	python scripts/generate_consts.py $(CURL_VERSION)
+
+preprocess: .preprocessed
 	@echo generating patched libcurl header files
 
-install-editable: curl_cffi/include/curl/curl.h
+install-editable: .preprocessed
 	pip install -e .
 
-build: curl_cffi/include/curl/curl.h
+build: .preprocessed
 	rm -rf dist/
 	pip install build
 	python -m build --wheel
@@ -40,4 +46,4 @@ clean:
 	rm -rf $(CURL_VERSION).tar.xz curl-impersonate-$(VERSION).tar.gz
 	rm -rf curl_cffi/include/
 
-.PHONY: clean build test install-editable preprocess
+.PHONY: clean build test install-editable preprocess gen-const