General-Purpose Makefile

# Compiler variable:
CC=g++

# Compiler flags/options variable:
CFLAGS=-c -Wall

# Linker flags/options variable:
LDFLAGS=-s

# Source files variable:
SOURCES=main.cpp hello.cpp functions.cpp

# Object files variable:
OBJECTS=$(SOURCES:.cpp=.o)

# Executable variable:
EXECUTABLE=hello

all: $(SOURCES) $(EXECUTABLE)

$(EXECUTABLE): $(OBJECTS)
    $(CC) $(LDFLAGS) $(OBJECTS) -o $@

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