73 lines
1.8 KiB
Makefile
73 lines
1.8 KiB
Makefile
MKFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
|
|
CUR_DIR := $(patsubst %/,%,$(dir $(MKFILE_PATH)))
|
|
BUILD_DIR := $(CUR_DIR)/build
|
|
INITRAMFS := $(BUILD_DIR)/initramfs
|
|
INITRAMFS_IMAGE := $(BUILD_DIR)/initramfs.cpio.gz
|
|
SHELL := /bin/bash
|
|
INITRAMFS_EMPTY_DIRS := \
|
|
$(INITRAMFS)/etc \
|
|
$(INITRAMFS)/sbin \
|
|
$(INITRAMFS)/root \
|
|
$(INITRAMFS)/tmp \
|
|
$(INITRAMFS)/opt \
|
|
$(INITRAMFS)/proc \
|
|
$(INITRAMFS)/dev
|
|
INITRAMFS_ALL_DIRS := \
|
|
$(INITRAMFS)/lib/x86_64-linux-gnu \
|
|
$(INITRAMFS)/lib64 \
|
|
$(INITRAMFS)/bin \
|
|
$(INITRAMFS)/usr/bin \
|
|
$(INITRAMFS)/regression \
|
|
$(INITRAMFS_EMPTY_DIRS)
|
|
|
|
.PHONY: all clean
|
|
|
|
all: build
|
|
|
|
$(INITRAMFS)/lib/x86_64-linux-gnu:
|
|
@mkdir -p $@
|
|
@cp -L /lib/x86_64-linux-gnu/libc.so.6 $@
|
|
@cp -L /lib/x86_64-linux-gnu/libstdc++.so.6 $@
|
|
@cp -L /lib/x86_64-linux-gnu/libm.so.6 $@
|
|
@cp -L /lib/x86_64-linux-gnu/libgcc_s.so.1 $@
|
|
@cp -L /lib/x86_64-linux-gnu/libpthread.so.0 $@
|
|
|
|
$(INITRAMFS)/lib64:
|
|
@mkdir -p $@
|
|
@cp -L /lib64/ld-linux-x86-64.so.2 $@
|
|
|
|
# Install busybox into /bin and /usr/bin.
|
|
$(INITRAMFS)/bin:
|
|
@mkdir -p $@
|
|
@/bin/busybox --install -s $@
|
|
|
|
$(INITRAMFS)/usr/bin: $(INITRAMFS)/bin
|
|
@mkdir -p $@
|
|
@cp /usr/bin/busybox $@
|
|
|
|
# Copy from apps.
|
|
$(INITRAMFS)/regression:
|
|
@make --no-print-directory -C apps
|
|
|
|
# Make necessary directories.
|
|
$(INITRAMFS_EMPTY_DIRS):
|
|
@mkdir -p $@
|
|
|
|
$(INITRAMFS)/opt/syscall_test:
|
|
@make --no-print-directory -C syscall_test
|
|
|
|
# If the BUILD_SYSCALL_TEST variable is set, we should depend on the
|
|
# sub make output to do incremental building.
|
|
ifeq ($(BUILD_SYSCALL_TEST), 1)
|
|
$(INITRAMFS_IMAGE): $(INITRAMFS_ALL_DIRS) $(INITRAMFS)/opt/syscall_test
|
|
else
|
|
$(INITRAMFS_IMAGE): $(INITRAMFS_ALL_DIRS)
|
|
endif
|
|
@echo "Generating the initramfs image..."
|
|
@(cd $(INITRAMFS); find . | cpio -o -H newc | gzip) > $@
|
|
|
|
build: $(INITRAMFS_IMAGE)
|
|
|
|
clean:
|
|
@rm -rf $(BUILD_DIR)
|