#
# Download and place this file into your project directory
# Rename it to 'Makefile' (without quotes) and modify as needed
#
# wget http://www.phys.uconn.edu/~rozman/Courses/P2200_16F/downloads/Makefile.sample
# mv Makefile.sample Makefile
#
# or
#
# wget http://www.phys.uconn.edu/~rozman/Courses/P2200_16F/downloads/Makefile.sample -O Makefile
#

INDENT    = astyle --style=allman --add-brackets
GNUPLOT   = gnuplot
PDFVIEWER = evince

CC        = clang
LDFLAGS   = -O
CFLAGS    = -Weverything -Wextra -pedantic $(LDFLAGS)
LDLIBS    = 

.SUFFIXES:
.SUFFIXES:  .c .o .h .res .gp

.PHONY: clean veryclean indent

sources   = $(wildcard *.c)
objects   = $(sources:.c=.o)

target    = hanoi
pdf       = $(target).pdf
result    = $(target).res

## help        : Default action is to show what commands are available.
help: Makefile
	@sed -n 's/^##//p' $<

## hanoi       : Compile and link the executable
$(target) : $(objects)
	$(CC) $(LDFLAGS)  $(objects) -o $@

## res         : Run the calculations
res: $(result)
$(result): $(target)
	./$(target) > $(target).res

## pdf         : Graph the results
pdf: $(pdf)
$(pdf):  $(result)
	$(GNUPLOT) $(target).gp

## view        : Open the graph in a pdf viewer
view: $(pdf)
	$(PDFVIEWER) $(pdf) 2> /dev/null &

## indent      : Indent the source code
indent:
	$(INDENT) $(sources)

## clean       : Remove the auto-generated files
clean : 
	rm -f *.o
	rm -f *.*~
	rm -f *.*.orig

## veryclean   : Remove the auto-generated files, 
##               the tests results, and the graph
veryclean : clean
	rm -f $(target) $(pdf) $(result)

## settings    : Show variables and settings.
settings:
	@echo ' '
	@echo 'sources   :' $(sources)
	@echo 'objects   :' $(objects)
	@echo 'target    :' $(target)
	@echo 'result    :' $(result)
	@echo 'pdf       :' $(pdf)
	@echo ' '
	@echo 'INDENT    :' $(INDENT)
	@echo 'GNUPLOT   :' $(GNUPLOT)
	@echo ' '
	@echo 'CC        :' $(CC)
	@echo 'LDFLAGS   :' $(LDFLAGS)
	@echo 'CFLAGS    :' $(CFLAGS)
	@echo 'LDLIBS    :' $(LDLIBS)
	@echo ' '