Merge branch 'update-make' into 'master'

Update make

See merge request horlingsw/master-assignment-report!6

.gitignore

@@ -1,2 +1,3 @@
 /*.rro
 /*.pdf
+graphics/*.pdf

Makefile

@@ -4,6 +4,9 @@ GRPH_DIR ?= graphics
 GRPH_SOURCE ?= $(wildcard $(GRPH_DIR)/*.tex)
 GRPH_TARGET ?= $(subst .tex,.pdf,$(GRPH_SOURCE))
 
+CONTENT_DIR ?= content
+CONTENT_SOURCE ?= $(wildcard $(CONTENT_DIR)/*.tex)
+
 JOBNAME = $(subst .pdf,,$(TARGET))
 
 # build configuration
@@ -21,7 +24,7 @@ LATEXMK_ARTIFACTS += *.rro
 LATEXMK_ARTIFACTS += *.aux
 LATEXMK_ARTIFACTS += *.run.xml
 
-$(TARGET): $(SOURCE) $(GRPH_TARGET)
+$(TARGET): $(SOURCE) $(GRPH_TARGET) $(CONTENT_SOURCE)
 	$(LATEXMK) $(LATEXMK_OPTS) $(LATEXMK_TARGET) $<
 
 $(GRPH_DIR)/%.pdf: $(GRPH_DIR)/%.tex