LIBFLAGS = -shared -std=c++11 -O3 -fPIC -Wall
EXEFLAGS = -Wall -std=c++11 -O3 -Wl,-rpath,'$$ORIGIN/lib'
LINKEDLIBS = -lgmp -lgmpxx
PROBLEM_NUMBERS = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 67
PROBLEM_FILES = $(patsubst %,Source/libProblem%.cpp,$(PROBLEM_NUMBERS))
LIBDIR = ./lib
LIBS = $(patsubst %, -lProblem%,$(PROBLEM_NUMBERS))

all: libs ProjectEuler
libs: directory $(patsubst %, $(LIBDIR)/libProblem%.so,$(PROBLEM_NUMBERS))

directory:
	mkdir -p $(LIBDIR)

#Building the Libraries
$(LIBDIR)/libProblem%.so: Source/Problem%.cpp
	$(CXX) $(LIBFLAGS) -o $@ $< $(LINKEDLIBS)

#Building the executable
ProjectEuler: main.cpp
	$(CXX) $(EXEFLAGS) -o $@.exe $< -L $(LIBDIR) $(LIBS) $(LINKEDLIBS)


#Clean up/Remove all files and folders created
.PHONY: clean

clean:
	rm -f lib/*.so ProjectEuler.exe
	rmdir lib