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Openwrt/tools/Makefile
Thomas Petazzoni 9e7ef46065 tools: add fakeroot 
SELinux support requires setting the appropriate SELinux security context
to files and directories, which needs to happen at build time in order
to support read-only root filesystem scenarios. In order to create these
security contexts, we will have to run some SELinux-specific tools on
the host machine, but that requires root access. This adds support for
fakeroot, which the build process will use to run the SELinux security
context creation and the image creation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Apply to current master, and adjust commit message

Thomas' original work is available at
http://lists.infradead.org/pipermail/openwrt-devel/2019-November/025976.html.

Signed-off-by: W. Michael Petullo <mike@flyn.org>
[add rules.mk FAKEROOT variable]
Signed-off-by: Paul Spooren <mail@aparcar.org>
[update, fix macos build]
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-08-10 10:09:55 +02:00

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Makefile
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#
# Copyright (C) 2006-2011 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# Main makefile for the host tools
#
curdir:=tools
# subdirectories to descend into
tools-y :=
ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
BUILD_TOOLCHAIN := y
ifdef CONFIG_GCC_USE_GRAPHITE
BUILD_ISL = y
endif
endif
ifneq ($(CONFIG_SDK)$(CONFIG_PACKAGE_kmod-b43)$(CONFIG_PACKAGE_b43legacy-firmware)$(CONFIG_BRCMSMAC_USE_FW_FROM_WL),)
BUILD_B43_TOOLS = y
endif
tools-$(BUILD_TOOLCHAIN) += gmp mpfr mpc libelf expat
tools-y += m4 libtool autoconf autoconf-archive automake flex bison pkgconf mklibs zlib
tools-y += sstrip make-ext4fs e2fsprogs mtd-utils mkimage
tools-y += firmware-utils patch-image quilt padjffs2
tools-y += mm-macros missing-macros cmake bc findutils gengetopt patchelf
tools-y += mtools dosfstools libressl fakeroot
tools-$(CONFIG_TARGET_orion_generic) += wrt350nv2-builder upslug2
tools-$(CONFIG_TARGET_x86) += qemu
tools-$(CONFIG_TARGET_mxs) += elftosb sdimage
tools-$(CONFIG_TARGET_ar71xx) += lzma-old
tools-$(CONFIG_TARGET_ar71xx)$(CONFIG_TARGET_ath79) += squashfs
tools-$(CONFIG_USES_MINOR) += kernel2minor
tools-y += lzma squashfskit4 zip zstd
tools-$(BUILD_B43_TOOLS) += b43-tools
tools-$(BUILD_ISL) += isl
tools-$(CONFIG_USE_SPARSE) += sparse
tools-$(CONFIG_TARGET_apm821xx)$(CONFIG_TARGET_gemini) += genext2fs
tools-$(CONFIG_TARGET_tegra) += cbootimage cbootimage-configs
# builddir dependencies
$(curdir)/bison/compile := $(curdir)/flex/compile
$(curdir)/flex/compile := $(curdir)/libtool/compile
$(curdir)/libtool/compile := $(curdir)/m4/compile $(curdir)/autoconf/compile $(curdir)/automake/compile $(curdir)/missing-macros/compile
$(curdir)/squashfs/compile := $(curdir)/lzma-old/compile
$(curdir)/squashfskit4/compile := $(curdir)/xz/compile $(curdir)/zlib/compile
$(curdir)/quilt/compile := $(curdir)/autoconf/compile $(curdir)/findutils/compile
$(curdir)/autoconf/compile := $(curdir)/m4/compile
$(curdir)/automake/compile := $(curdir)/m4/compile $(curdir)/autoconf/compile $(curdir)/pkgconf/compile $(curdir)/xz/compile
$(curdir)/gmp/compile := $(curdir)/libtool/compile
$(curdir)/mpc/compile := $(curdir)/mpfr/compile $(curdir)/gmp/compile
$(curdir)/mpfr/compile := $(curdir)/gmp/compile
$(curdir)/mtd-utils/compile := $(curdir)/libtool/compile $(curdir)/e2fsprogs/compile $(curdir)/zlib/compile
$(curdir)/mklibs/compile := $(curdir)/libtool/compile
$(curdir)/qemu/compile := $(curdir)/e2fsprogs/compile $(curdir)/zlib/compile
$(curdir)/upslug2/compile := $(curdir)/libtool/compile
$(curdir)/mm-macros/compile := $(curdir)/libtool/compile
$(curdir)/missing-macros/compile := $(curdir)/autoconf/compile
$(curdir)/e2fsprogs/compile := $(curdir)/libtool/compile
$(curdir)/libelf/compile := $(curdir)/libtool/compile
$(curdir)/sdcc/compile := $(curdir)/bison/compile
$(curdir)/b43-tools/compile := $(curdir)/bison/compile
$(curdir)/padjffs2/compile := $(curdir)/findutils/compile
$(curdir)/isl/compile := $(curdir)/gmp/compile
$(curdir)/bc/compile := $(curdir)/bison/compile
$(curdir)/findutils/compile := $(curdir)/bison/compile
$(curdir)/gengetopt/compile := $(curdir)/libtool/compile
$(curdir)/patchelf/compile := $(curdir)/libtool/compile
$(curdir)/dosfstools/compile := $(curdir)/autoconf/compile $(curdir)/automake/compile
$(curdir)/libressl/compile := $(curdir)/pkgconf/compile
$(curdir)/mkimage/compile += $(curdir)/libressl/compile
$(curdir)/firmware-utils/compile += $(curdir)/libressl/compile $(curdir)/zlib/compile
$(curdir)/cmake/compile += $(curdir)/libressl/compile
$(curdir)/zlib/compile := $(curdir)/cmake/compile
$(curdir)/wrt350nv2-builder/compile := $(curdir)/zlib/compile
$(curdir)/lzma-old/compile := $(curdir)/zlib/compile
$(curdir)/make-ext4fs/compile := $(curdir)/zlib/compile
$(curdir)/cbootimage/compile += $(curdir)/automake/compile
ifneq ($(HOST_OS),Linux)
$(curdir)/squashfskit4/compile += $(curdir)/coreutils/compile
tools-y += coreutils
endif
ifneq ($(CONFIG_CCACHE)$(CONFIG_SDK),)
$(foreach tool, $(filter-out xz patch,$(tools-y)), $(eval $(curdir)/$(tool)/compile += $(curdir)/ccache/compile))
tools-y += ccache
endif
# in case there is no patch tool on the host we need to make patch tool a
# dependency for tools which have patches directory
$(foreach tool, $(tools-y), $(if $(wildcard $(curdir)/$(tool)/patches),$(eval $(curdir)/$(tool)/compile += $(curdir)/patch/compile)))
$(foreach tool, $(filter-out xz,$(tools-y)), $(eval $(curdir)/$(tool)/compile += $(curdir)/xz/compile))
# make any tool depend on tar, xz and patch to ensure that archives can be unpacked and patched properly
tools-core := tar xz patch
$(foreach tool, $(tools-y), $(eval $(curdir)/$(tool)/compile += $(patsubst %,$(curdir)/%/compile,$(tools-core))))
tools-y += $(tools-core)
# make core tools depend on sed and flock
$(foreach tool, $(filter-out xz,$(tools-core)), $(eval $(curdir)/$(tool)/compile += $(curdir)/sed/compile))
$(curdir)/xz/compile += $(curdir)/flock/compile
$(curdir)/sed/compile := $(curdir)/flock/compile $(curdir)/xz/compile
tools-y += flock sed
$(curdir)/autoremove := 1
$(curdir)/builddirs := $(tools-y) $(tools-dep) $(tools-)
$(curdir)/builddirs-default := $(tools-y)
ifdef CHECK_ALL
$(curdir)/builddirs-check:=$($(curdir)/builddirs)
$(curdir)/builddirs-download:=$($(curdir)/builddirs)
endif
ifndef DUMP_TARGET_DB
define PrepareStaging
@for dir in $(1); do ( \
$(if $(QUIET),,set -x;) \
mkdir -p "$$dir"; \
cd "$$dir"; \
mkdir -p bin lib stamp; \
); done
endef
# preparatory work
$(STAGING_DIR)/.prepared: $(TMP_DIR)/.build
$(call PrepareStaging,$(STAGING_DIR))
mkdir -p $(BUILD_DIR)/stamp
touch $@
$(STAGING_DIR_HOST)/.prepared: $(TMP_DIR)/.build
$(call PrepareStaging,$(STAGING_DIR_HOST))
mkdir -p $(BUILD_DIR_HOST)/stamp $(STAGING_DIR_HOST)/include/sys
$(INSTALL_DATA) $(TOPDIR)/tools/include/*.h $(STAGING_DIR_HOST)/include/
$(INSTALL_DATA) $(TOPDIR)/tools/include/sys/*.h $(STAGING_DIR_HOST)/include/sys/
ifneq ($(HOST_OS),Linux)
mkdir -p $(STAGING_DIR_HOST)/include/asm
$(INSTALL_DATA) $(TOPDIR)/tools/include/asm/*.h $(STAGING_DIR_HOST)/include/asm/
endif
ln -snf lib $(STAGING_DIR_HOST)/lib64
touch $@
endif
$(curdir)//prepare = $(STAGING_DIR)/.prepared $(STAGING_DIR_HOST)/.prepared
$(curdir)//compile = $(STAGING_DIR)/.prepared $(STAGING_DIR_HOST)/.prepared
# prerequisites for the individual targets
$(curdir)/ := .config prereq
$(curdir)/install: $(curdir)/compile
tools_enabled = $(foreach tool,$(sort $(tools-y) $(tools-)),$(if $(filter $(tool),$(tools-y)),y,n))
$(eval $(call stampfile,$(curdir),tools,compile,,_$(subst $(space),,$(tools_enabled)),$(STAGING_DIR_HOST)))
$(eval $(call stampfile,$(curdir),tools,check,$(TMP_DIR)/.build,,$(STAGING_DIR_HOST)))
$(eval $(call subdir,$(curdir)))
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