CC = cc # C compiler
# cc and gcc is the same
CXX = c++ # C++ compiler
# c++
# g++
# clang++
CPPFLAGS = # preprocessor flags
CFLAGS = -Wall -Wfloat-equal -std=c99 -O0 -mtune=native -funroll-loops $(OPT) # C compiler flags
# -Wall: Warnings all
# -Wfloat-equal: Warn if comparing floats with ==
# -OX: Optimization level -O0 (none, default), -O1, -O2, -O3 (most, may increase file size), -Os (decrease file size), -ffast-math
# -mtune: Tune for specific/generic CPU
# -funrool-loops: Unroll loops when compiling
# -fopenmp: Enable OpenMP (When running, set the environmental variable OMP_NUM_THREADS)
# $(OPT): Passes any parameter given when calling make with 'make OPT=...'
CXXFLAGS = -Wall -std=c++20 -O0 # C++ compiler flags
LDFLAGS = # linker flags
LDLIBS = # library flags
# -lm (for <math.h>)
# -lblas (BASIC LINEAR ALGEBRA SUBPROGRAMS)
# -lcblas (for <cblas.h>)
# -lopenblas (NOT INSTALLED; blas and cblas in one; conflicts with blas and cblas)
# -llapack (LAPACKE)
# -llapacke (LAPACK) NOTE: The order of "-llapacke -llapack -lblas" is very important
#LINK.o = $(CXX) $(LDFLAGS) # use CXX for linking

simple_string_matching: simple_string_matching.o Rabin_fingerprint.o general_library.o
	$(CXX) $(CXXFLAGS) simple_string_matching.o Rabin_fingerprint.o general_library.o -o simple_string_matching

simple_string_matching.o: simple_string_matching.cpp
	$(CXX) $(CXXFLAGS) -c simple_string_matching.cpp

Rabin_fingerprint.o: Rabin_fingerprint.cpp Rabin_fingerprint.hpp
	$(CXX) $(CXXFLAGS) -c Rabin_fingerprint.cpp

general_library.o: general_library.cpp general_library.hpp
	$(CXX) $(CXXFLAGS) -c general_library.cpp

porat-porat: porat-porat.cpp

# Tell the compiler that 'clean' isn't referring to a file
.PHONY: clean

# A make target that cleans (by deleting files)
clean:
	$(RM) porat-porat
	$(RM) simple_string_matching
	$(RM) *.o