diff --git a/.gitignore b/.gitignore index bc5ed4e..d161f5c 100644 --- a/.gitignore +++ b/.gitignore @@ -7,4 +7,6 @@ # Unignore all dirs !*/ +!Makefile + *.o \ No newline at end of file diff --git a/day 1/Makefile b/day 1/Makefile new file mode 100644 index 0000000..82c1ff0 --- /dev/null +++ b/day 1/Makefile @@ -0,0 +1,38 @@ +# select all cpp files, for future use +SRC := ${wildcard *.c} +BIN := $(SRC:.c=) + +# -pedantic means using gnu extentions will throw an error +# this allows for better code portability between compilers +CFLAGS := -std=c17 +CFLAGS_ERRORS := -Werror -Wall -Wextra -Wconversion -Wdouble-promotion -Wunreachable-code -Wshadow -Wpedantic -pedantic-errors -pedantic + +# debug is enabled by default +# debug can be disabled with `make DEBUG=0` +DEBUG := 1 + +ifeq ($(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 c++ is better since not every installation has gcc +# this can always be overridden with `make CC=gcc` if needed +CC := cc + +all: $(BIN) + +.c: + $(CC) $(CFLAGS) $(CFLAGS_ERRORS) $(LDFLAGS) -o $@ $^ + +clean: + $(DEL) $(TARGET) $(OBJ) + +.PHONY: clean