TARGET := dented
SRC := ${wildcard *.c}
OBJ := $(SRC:.c=.o)

INCS := -I/usr/local/include/
LIBS := -L/usr/local/lib/ -lraylib

# -pedantic means using gnu extentions will throw an error
# this allows for better code portability between compilers
CFLAGS_ERRORS = -Werror -Wall -Wextra -Wconversion -Wdouble-promotion -Wunreachable-code -Wshadow -Wpedantic -pedantic-errors -pedantic
CFLAGS = -std=c17 $(CFLAGS_ERRORS) $(INCS)
LDFLAGS = $(LIBS)

ifeq ($(shell echo "Windows"), "Windows")
	TARGET := $(TARGET).exe
	DEL = del
	Q = 
else
	DEL = rm -f
	Q = "
endif

# debug is enabled by default
# debug can be disabled with `make DEBUG=0`
DEBUG := 1

ifeq ($(DEBUG),1)
# -Og compiles with debug specific optimizations
# -g3 compiles with max debug information
	CFLAGS += -Og -g3
else
# -O3 compiles with extreme optimizations for performance
# -flto compiles with link time optimizations (LTO), supposed to improve performance by ~5%
	CFLAGS += -O3 -flto
# -s when run on the linker will strip out debug symbols for a smaller file size
	LDFLAGS += -s -flto
endif

# I believe using cc is better since not every installation has gcc
# this can always be overridden with `make CC=gcc` if needed
CC := cc

all: $(TARGET)

$(TARGET): $(OBJ)
	$(CC) -o $@ $^ $(LDFLAGS)

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

clean:
	$(DEL) $(TARGET) $(OBJ)