Makefile

# Determine the platform
UNAME_S := $(shell uname -s)

CC := clang++ 

# Folders
SRCDIR := ./
BUILDDIR := build
TARGETDIR := bin

# Targets
EXECUTABLE := BulletManager
TARGET := $(TARGETDIR)/$(EXECUTABLE)

# Final Paths
INSTALLBINDIR := /usr/local/bin

# Code Lists
SRCEXT := cpp
SOURCES := $(shell find $(SRCDIR) -type f -name '*.$(SRCEXT)')
OBJECTS := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.$(SRCEXT)=.o))

# Folder Lists
# Note: Intentionally excludes the root of the include folder so the lists are clean
INCDIRS := $(shell find $(SRCDIR) -name '*.h' -exec dirname {} \; | sort | uniq)
INCLIST := $(patsubst $(SRCDIR)%,-I $(SRCDIR)%,$(INCDIRS))
BUILDLIST := $(patsubst $(SRCDIR)%,$(BUILDDIR)/%,$(INCDIRS))

# Shared Compiler Flags
CFLAGS := -Wall
INC := -I include $(INCLIST) -I /usr/local/include -I /usr/include/SDL2
LIB := -L /usr/local/lib 

$(BUILDDIR)/%.o: $(SRCDIR)/%.$(SRCEXT)
	@mkdir -p $(BUILDLIST)
	@echo "Compiling $<..."; $(CC) $(CFLAGS) $(INC) -c -o $@ $<

$(TARGET): $(OBJECTS)
	@mkdir -p $(TARGETDIR)
	@echo "Linking..."
	@echo "  Linking $(TARGET)"; $(CC) $^ -o $(TARGET) $(LIB)

clean:
	@echo "Cleaning $(TARGET)..."; $(RM) -r $(BUILDDIR) $(TARGET)

install:
	@echo "Installing $(EXECUTABLE)..."; cp $(TARGET) $(INSTALLBINDIR)
	
distclean:
	@echo "Removing $(EXECUTABLE)"; rm $(INSTALLBINDIR)/$(EXECUTABLE)

.PHONY: clean