banan-os/kernel/Makefile

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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:=$(CFLAGS) -D__is_kernel -D__arch=$(HOSTARCH) -Iinclude -fstack-protector -ffreestanding -Wall -Wextra -Werror=return-type -fno-omit-frame-pointer -mno-sse -mno-sse2
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CPPFLAGS:=$(CPPFLAGS) -fno-rtti -fno-exceptions
LDFLAGS:=$(LDFLAGS)
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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) $(KERNEL_ARCH_LIBS)
ifeq ($(UBSAN), 1)
CFLAGS:=$(CFLAGS) -fsanitize=undefined
endif
BUILDDIR=$(abspath build)
KERNEL_OBJS= \
$(KERNEL_ARCH_OBJS) \
font/prefs.o \
kernel/APIC.o \
kernel/build_libc.o \
kernel/CPUID.o \
kernel/Debug.o \
kernel/Font.o \
kernel/FS/Ext2.o \
kernel/FS/VirtualFileSystem.o \
kernel/Input.o \
kernel/InterruptController.o \
kernel/kernel.o \
kernel/kmalloc.o \
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kernel/PCI.o \
kernel/PIC.o \
kernel/PIT.o \
kernel/RTC.o \
kernel/Scheduler.o \
kernel/Serial.o \
kernel/Shell.o \
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kernel/SpinLock.o \
kernel/SSP.o \
kernel/Storage/ATAController.o \
kernel/Storage/StorageDevice.o \
kernel/Thread.o \
kernel/TTY.o \
kernel/VesaTerminalDriver.o \
icxxabi.o \
ubsan.o \
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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 .psf
all: banan-os.kernel
banan-os.kernel: always $(OBJS) $(ARCHDIR)/linker.ld
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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" $(BUILDDIR)/$@
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.c.o:
$(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS)
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.cpp.o:
$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
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.S.o:
$(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS)
.psf.o:
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objcopy -O $(ELF_FORMAT) -B i386 -I binary $< $(BUILDDIR)/$@
always:
mkdir -p $(BUILDDIR)/$(ARCHDIR)
mkdir -p $(BUILDDIR)/kernel
mkdir -p $(BUILDDIR)/kernel/FS
mkdir -p $(BUILDDIR)/kernel/Storage
mkdir -p $(BUILDDIR)/font
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)