Makefile

# This Makefile made available to his students by 
# Prof. Ronald Moore  
#     https://fbi.h-da.de/personen/ronald-moore/  
#     mailto:ronald.moore@h-da.de
# with no warranties whatsoever


PROGS := interpreter
TESTINPUT := goodTest.input badTest.input

# Uncomment only one of the next two lines (choose your c++ compiler)
# CC=g++
CC := clang++

## Add your own CFLAGS if you find them necessary... such as -O3 or so... 
CFLAGS :=   -g -std=c++20 -Wall 

# By the way, it should also work with -std=c++17
# (there's nothing here that requires c++20.

## More preliminaries
# See https://www.gnu.org/software/make/manual/html_node/Special-Targets.html
# In this makefile, we want to keep going even if we find errors
.IGNORE :

# Tell make that the following "targets" are "phony"
# Cf. https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html#Phony-Targets
.PHONY : all clean test

##  Now, the targets -- the things that will get made!

all: $(PROGS)

$(PROGS): %: %.cpp
	$(CC) -g $< $(CFLAGS) -o $@

clean: 
	$(RM) -v *~ *.o $(PROGS) tmp.txt

test: $(PROGS) $(TESTFILES)
	# Running interpreter in test mode
	-./interpreter goodTest.input >tmp.txt  2>&1 
	# Checking output -- no news is good news!
	@diff -qs goodTest.reference tmp.txt
	-$(RM) tmp.txt
	# Running interpreter in test mode
	-./interpreter badTest.input 2>&1 >tmp.txt
	# Checking output -- no news is good news!
	@diff -qs badTest.reference tmp.txt
	-$(RM) tmp.txt