DEFAULT_HOST!=../default-host.sh HOST?=DEFAULT_HOST HOSTARCH!=../target-triplet-to-arch.sh $(HOST) CFLAGS?=-O2 -g CPPFLAGS?= LDFLAGS?= LIBS?= DESTDIR?= PREFIX?=/usr/local EXEC_PREFIX?=$(PREFIX) BOOTDIR?=$(EXEC_PREFIX)/boot INCLUDEDIR?=$(PREFIX)/include CFLAGS:=$(CFLAGS) -D__is_kernel -Iinclude -fstack-protector -ffreestanding -Wall -Wextra -Wno-unused-function CPPFLAGS:=$(CPPFLAGS) -fno-rtti -fno-exceptions LDFLAGS:=$(LDFLAGS) LIBS:=$(LIBS) -nostdlib -lk -lbank -lgcc ARCHDIR=arch/$(HOSTARCH) include $(ARCHDIR)/make.config CFLAGS:=$(CFLAGS) $(KERNEL_ARCH_CFLAGS) CPPFLAGS:=$(CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS) LDFLAGS:=$(LDFLAGS) $(KERNEL_ARCH_LDFLAGS) LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS) BUILDDIR=$(abspath build) KERNEL_OBJS= \ $(KERNEL_ARCH_OBJS) \ kernel/build_libc.o \ kernel/font.o \ kernel/Input.o \ kernel/kernel.o \ kernel/kmalloc.o \ kernel/PIC.o \ kernel/PIT.o \ kernel/RTC.o \ kernel/Serial.o \ kernel/Shell.o \ kernel/SSP.o \ kernel/TTY.o \ icxxabi.o \ OBJS= \ $(ARCHDIR)/crti.o \ $(ARCHDIR)/crtbegin.o \ $(KERNEL_OBJS) \ $(ARCHDIR)/crtend.o \ $(ARCHDIR)/crtn.o \ LINK_LIST= \ $(LDFLAGS) \ $(ARCHDIR)/crti.o \ $(ARCHDIR)/crtbegin.o \ $(KERNEL_OBJS) \ $(LIBS) \ $(ARCHDIR)/crtend.o \ $(ARCHDIR)/crtn.o \ .PHONY: all always clean install install-headers install-kernel .SUFFIXES: .o .c .cpp .S all: banan-os.kernel banan-os.kernel: always $(OBJS) $(ARCHDIR)/linker.ld cd $(BUILDDIR) && $(CXX) -T ../$(ARCHDIR)/linker.ld -o banan-os.kernel $(CFLAGS) $(CPPFLAGS) $(LINK_LIST) cd $(BUILDDIR) && grub-file --is-x86-multiboot banan-os.kernel $(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o: OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $(BUILDDIR)/$@ .c.o: $(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) .cpp.o: $(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS) .S.o: $(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) always: mkdir -p $(BUILDDIR)/$(ARCHDIR) mkdir -p $(BUILDDIR)/kernel clean: rm -rf $(BUILDDIR) install: install-headers install-kernel install-headers: mkdir -p $(DESTDIR)$(INCLUDEDIR) cp -R --preserve=timestamps include/. $(DESTDIR)$(INCLUDEDIR)/. install-kernel: banan-os.kernel mkdir -p $(DESTDIR)$(BOOTDIR) cp $(BUILDDIR)/banan-os.kernel $(DESTDIR)$(BOOTDIR) -include $(OBJS:.o=.d)