kornos/kernel/Makefile

43 lines
1.0 KiB
Makefile

ARCHES = x86_64 i386
ARCH ?= x86_64
CC = zig cc -target $(ARCH)-freestanding
LD = ld -m elf_$(ARCH)
LDSCRIPT = make/$(ARCH)/linker.ld
-include make/$(ARCH)/make.config
CFLAGS ?= -O2
CFLAGS := $(CFLAGS) $(ARCH_CFLAGS) \
-Wall -Wextra -pedantic -Wno-language-extension-token -std=gnu11 -I../ext -Isrc -fPIE
LDFLAGS := $(LDFLAGS) -T $(LDSCRIPT)
TARGET := kernel
CFILES := $(shell find src -path src/arch -prune -o -type f -name '*.c' -print)
ARCHFILES := $(ARCHFILES) $(shell find src/arch/$(ARCH) -type f -name '*.c' -print)
HFILES := $(shell find src -type f -name '*.h')
OBJ := $(patsubst src/%.c,obj/$(ARCH)/%.o,$(CFILES) $(ARCHFILES))
.PHONY: all clean obj $(ARCHES)
default: bin/$(TARGET)-$(ARCH)
all: $(ARCHES)
$(ARCHES):
$(MAKE) ARCH=$@
bin/$(TARGET)-$(ARCH): $(OBJ)
@mkdir -p $(@D)
$(LD) $(LDFLAGS) $(OBJ) -o $@
obj/$(ARCH)/%.o: src/%.c $(HFILES)
@mkdir -p $(@D)
@echo $(CC) $<
@$(CC) $(CFLAGS) -c $< -o $@
clean:
rm -rf bin obj zig-cache