2017-10-15 22:36:00 -04:00
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LINUX_VERSION = 4.9.56
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MINIPLI_TAG = 20171013093040
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MINIPLI_VERSION = v$(LINUX_VERSION)-unofficial_grsec
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MINIPLI_PATH = linux-unofficial_grsec/releases/download/$(MINIPLI_VERSION)
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GRSEC_DIFF = $(MINIPLI_VERSION)-$(MINIPLI_TAG).diff
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GRSEC_DOWNLOAD = https://github.com/minipli/$(MINIPLI_PATH)/$(GRSEC_DIFF)
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KERNEL_VERSION = linux-$(LINUX_VERSION)
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KERNEL_DOWNLOAD = https://cdn.kernel.org/pub/linux/kernel/v4.x/$(KERNEL_VERSION)
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WGET = wget
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SHA256 = sha256sum
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TAR = tar
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PATCH = patch
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LN = ln
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CP = cp
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MV = mv
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RM = rm
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RMDIR = rmdir
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MKDIR = mkdir
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TOUCH = touch
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GPG = gpg
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TOUCH = touch
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UNXZ = unxz
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PWD = $(shell pwd)
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PATCH_FILES := $(shell find patches/ -name "00*.patch" | sort)
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PATCHES = $(patsubst %.patch,build/.%.done,$(PATCH_FILES))
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GRSEC_DL_PATH = downloads/$(GRSEC_DIFF)
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KERNEL_DL_PATH = downloads/$(KERNEL_VERSION).tar
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KERNEL_BUILD_PATH = build/$(KERNEL_VERSION)
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KERNEL_UNPACK_PATH = build/unpack/$(KERNEL_VERSION)
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KERNEL_BUILD_OUTPUT = $(KERNEL_BUILD_PATH)/vmlinux
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PH_LINUX = ph_linux
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PH_LINUX_VER = $(PH_LINUX)-$(KERNEL_VERSION)
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GPGTMP = verify-tmp/
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GPGOPTS = --homedir $(GPGTMP) --trust-model direct --no-autostart
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GPG_IMPORT = $(GPG) $(GPGOPTS) --import
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GPG_VERIFY = $(GPG) $(GPGOPTS) --verify
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SHA256_FILE = v$(KERNEL_VERSION).sha256
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SHA256_SENTINEL = build/.sha256-verififed
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.NOTPARALLEL:
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.PHONY: all gen-sha256
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all: $(KERNEL_BUILD_OUTPUT)
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$(GRSEC_DL_PATH):
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cd downloads; $(WGET) $(GRSEC_DOWNLOAD)
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cd downloads; $(WGET) $(GRSEC_DOWNLOAD).sig
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$(KERNEL_DL_PATH):
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cd downloads; $(WGET) $(KERNEL_DOWNLOAD).tar.xz
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cd downloads; $(UNXZ) $(KERNEL_VERSION).tar.xz
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cd downloads; $(WGET) $(KERNEL_DOWNLOAD).tar.sign
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2017-10-15 23:11:36 -04:00
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$(KERNEL_BUILD_PATH): $(KERNEL_UNPACK_PATH) $(GRSEC_DL_PATH)
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2017-10-15 22:36:00 -04:00
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$(PATCH) -p1 -d $(KERNEL_UNPACK_PATH) < $(GRSEC_DL_PATH)
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$(CP) config $(KERNEL_UNPACK_PATH)/.config
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$(MV) build/unpack/$(KERNEL_VERSION) build/
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$(MKDIR) $(KERNEL_UNPACK_PATH)
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$(MKDIR) build/.patches
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2017-10-15 23:11:36 -04:00
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$(KERNEL_UNPACK_PATH): $(KERNEL_DL_PATH)
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2017-10-15 22:36:00 -04:00
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$(RM) -rf build/.unpack
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$(MKDIR) -p build/.unpack
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$(TAR) -C build/.unpack -xvf downloads/$(KERNEL_VERSION).tar
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$(MV) build/.unpack build/unpack
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$(PATCHES): build/.%.done : | $(KERNEL_BUILD_PATH)
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$(PATCH) -p1 -d build/$(KERNEL_VERSION) < $*.patch
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$(TOUCH) $@
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$(PH_LINUX_VER): $(KERNEL_BUILD_OUTPUT)
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$(RM) $(PH_LINUX)
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$(CP) $(KERNEL_BUILD_OUTPUT) $(PH_LINUX_VER)
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$(LN) $(PWD)/$(PH_LINUX_VER) $(PH_LINUX)
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$(KERNEL_BUILD_OUTPUT): $(PATCHES)
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$(MAKE) -C build/$(KERNEL_VERSION) -j 4
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clean:
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$(RM) -rf $(KERNEL_BUILD_PATH) build/unpack build/.unpack build/.patches $(SHA256_SENTINEL)
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$(SHA256_SENTINEL):
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$(SHA256) -c v$(LINUX_VERSION).sha256
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$(TOUCH) $@
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gen-sha256: $(SHA256_FILE)
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$(GRSEC_DL_PATH).verify: $(GRSEC_DL_PATH)
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rm -rf $(GPGTMP)
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$(MKDIR) -m 0700 $(GPGTMP)
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$(GPG_IMPORT) < keys/minipli.key
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$(GPG_VERIFY) downloads/$(GRSEC_DIFF).sig $(GRSEC_DL_PATH) 2> .out
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mv .out $(GRSEC_DL_PATH).verify
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rm -rf $(GPGTMP)
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$(KERNEL_DL_PATH).verify: $(KERNEL_DL_PATH)
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rm -rf $(GPGTMP)
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$(MKDIR) -m 0700 $(GPGTMP)
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$(GPG_IMPORT) < keys/torvalds.key
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$(GPG_IMPORT) < keys/gregkh.key
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$(GPG_VERIFY) downloads/$(KERNEL_VERSION).tar.sign $(KERNEL_DL_PATH) 2> .out
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mv .out $(KERNEL_DL_PATH).verify
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rm -rf $(GPGTMP)
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$(SHA256_FILE): $(KERNEL_DL_PATH).verify $(GRSEC_DL_PATH).verify
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$(SHA256) $(KERNEL_DL_PATH) $(GRSEC_DL_PATH) > v$(LINUX_VERSION).sha256
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