Greatly improve build method

Makefile

@@ -1,34 +1,35 @@
-PDF_APP = zathura 
-OUTPUT_DIR = output
-GENERATED_IMAGES_DIR = images/generated
-SVG_FILES_DIR=images/svg
-svgfiles = $(wildcard $(SVG_FILES_DIR)/*.svg)
-figures = $(subst svg/,generated/,$(subst .svg,.png,$(svgfiles)))
+PDF_APP ?= zathura
+OUTPUT ?= output
+GEN_DIR ?= images/generated
+SVG_DIR ?= images/svg
+PIX_DIR ?= images/bitmap
+
+SVG_FILES = $(wildcard $(SVG_DIR)/*.svg)
+GEN_FILES = $(subst $(SVG_DIR), $(GEN_DIR),$(subst .svg,.pdf,$(SVG_FILES)))
+PIX_FILES = $(wildcard $(PIX_DIR)/*.*)
 
 default: build
+build: $(OUTPUT)/resume_fr.pdf
+images: $(GEN_FILES)
 
-images: $(figures)
+$(OUTPUT)/%.pdf: %.tex $(GEN_FILES) $(PIX_FILES)
+	@$(shell mkdir -p $(OUTPUT))
+	@lualatex --interaction=nonstopmode --output-directory $(OUTPUT) $<
 
-clean:
-	rm -rf $(GENERATED_IMAGES_DIR)/*
-	rm -rf $(OUTPUT_DIR)/*
-
-build:
-	$(shell mkdir -p $(OUTPUT_DIR))
-	lualatex --interaction=nonstopmode --output-directory $(OUTPUT_DIR) resume_fr.tex
-
-buildall: images build
-
-$(GENERATED_IMAGES_DIR)/%.png : images/svg/%.svg
-	@echo build $@
-	#mkdir -p $(GENERATED_IMAGES_DIR)
-	inkscape --export-type=png --export-dpi=300 -o $@ $<
+$(GEN_DIR)/%.pdf : $(SVG_DIR)/%.svg
+	@echo export PDF from $@
+	@inkscape --export-type=pdf --export-pdf-version=1.4 -o $@ $<
 
+.PHONY: echo
 echo:
-	@echo "svg files: $(svgfiles)"
-	@echo "generated figures: $(figures)"
+	@echo "bitmap images files: $(PIX_FILES)"
+	@echo "svg files: $(SVG_FILES)"
+	@echo "generated figures: $(GEN_FILES)"
 
+.PHONY: view
 view:
-	$(PDF_APP) $(OUTPUT_DIR)/resume_fr.pdf
+	$(PDF_APP) $(OUTPUT)/resume_fr.pdf
 
-.PHONY: echo view clean
+.PHONY: clean
+clean:
+	rm -rf $(GEN_DIR)/* $(OUTPUT)