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# Makefile for OpenWrt
#
# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

TOPDIR:=${CURDIR}
LC_ALL:=C
LANG:=C
TZ:=UTC
export TOPDIR LC_ALL LANG TZ

empty:=
space:= $(empty) $(empty)
$(if $(findstring $(space),$(TOPDIR)),$(error ERROR: The path to the OpenWrt directory must not include any spaces))

world:

DISTRO_PKG_CONFIG:=$(shell command -pv pkg-config | grep -E '\/usr' | head -n 1)
export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)

ifneq ($(OPENWRT_BUILD),1)
  _SINGLE=export MAKEFLAGS=$(space);

  override OPENWRT_BUILD=1
  export OPENWRT_BUILD
  GREP_OPTIONS=
  export GREP_OPTIONS
  CDPATH=
  export CDPATH
  include $(TOPDIR)/include/debug.mk
  include $(TOPDIR)/include/depends.mk
  include $(TOPDIR)/include/toplevel.mk
else
  include rules.mk
  include $(INCLUDE_DIR)/depends.mk
  include $(INCLUDE_DIR)/subdir.mk
  include target/Makefile
  include package/Makefile
  include tools/Makefile
  include toolchain/Makefile

$(toolchain/stamp-compile): $(tools/stamp-compile)
$(target/stamp-compile): $(toolchain/stamp-compile) $(tools/stamp-compile) $(BUILD_DIR)/.prepared
$(package/stamp-compile): $(target/stamp-compile) $(package/stamp-cleanup)
$(package/stamp-install): $(package/stamp-compile)
$(target/stamp-install): $(package/stamp-compile) $(package/stamp-install)
check: $(tools/stamp-check) $(toolchain/stamp-check) $(package/stamp-check)

printdb:
	@true

prepare: $(target/stamp-compile)

clean: FORCE
	rm -rf $(BUILD_DIR) $(STAGING_DIR) $(BIN_DIR) $(OUTPUT_DIR)/packages/$(ARCH_PACKAGES) $(BUILD_LOG_DIR) $(TOPDIR)/staging_dir/packages

dirclean: clean
	rm -rf $(STAGING_DIR_HOST) $(STAGING_DIR_HOSTPKG) $(TOOLCHAIN_DIR) $(BUILD_DIR_BASE)/host $(BUILD_DIR_BASE)/hostpkg $(BUILD_DIR_TOOLCHAIN)
	rm -rf $(TMP_DIR)
	$(MAKE) -C $(TOPDIR)/scripts/config clean

cacheclean:
ifneq ($(CONFIG_CCACHE),)
	$(STAGING_DIR_HOST)/bin/ccache -C
endif

ifndef DUMP_TARGET_DB
$(BUILD_DIR)/.prepared: Makefile
	@mkdir -p $$(dirname $@)
	@touch $@

tmp/.prereq_packages: .config
	unset ERROR; \
	for package in $(sort $(prereq-y) $(prereq-m)); do \
		$(_SINGLE)$(NO_TRACE_MAKE) -s -r -C package/$$package prereq || ERROR=1; \
	done; \
	if [ -n "$$ERROR" ]; then \
		echo "Package prerequisite check failed."; \
		false; \
	fi
	touch $@
endif

# check prerequisites before starting to build
prereq: $(target/stamp-prereq) tmp/.prereq_packages
	@if [ ! -f "$(INCLUDE_DIR)/site/$(ARCH)" ]; then \
		echo 'ERROR: Missing site config for architecture "$(ARCH)" !'; \
		echo '       The missing file will cause configure scripts to fail during compilation.'; \
		echo '       Please provide a "$(INCLUDE_DIR)/site/$(ARCH)" file and restart the build.'; \
		exit 1; \
	fi

$(BIN_DIR)/profiles.json: FORCE
	$(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
		WORK_DIR=$(BUILD_DIR)/json_info_files \
			$(SCRIPT_DIR)/json_overview_image_info.py $@ \
	)

json_overview_image_info: $(BIN_DIR)/profiles.json

checksum: FORCE
	$(call sha256sums,$(BIN_DIR),$(CONFIG_BUILDBOT))

buildversion: FORCE
	$(SCRIPT_DIR)/getver.sh > $(BIN_DIR)/version.buildinfo

feedsversion: FORCE
	$(SCRIPT_DIR)/feeds list -fs > $(BIN_DIR)/feeds.buildinfo

diffconfig: FORCE
	mkdir -p $(BIN_DIR)
	$(SCRIPT_DIR)/diffconfig.sh > $(BIN_DIR)/config.buildinfo

buildinfo: FORCE
	$(_SINGLE)$(SUBMAKE) -r diffconfig buildversion feedsversion

prepare: .config $(tools/stamp-compile) $(toolchain/stamp-compile)
	$(_SINGLE)$(SUBMAKE) -r buildinfo

world: prepare $(target/stamp-compile) $(package/stamp-compile) $(package/stamp-install) $(target/stamp-install) FORCE
	$(_SINGLE)$(SUBMAKE) -r package/index
	$(_SINGLE)$(SUBMAKE) -r json_overview_image_info
	$(_SINGLE)$(SUBMAKE) -r checksum
ifneq ($(CONFIG_CCACHE),)
	$(STAGING_DIR_HOST)/bin/ccache -s
endif

.PHONY: clean dirclean prereq prepare world package/symlinks package/symlinks-install package/symlinks-clean

endif
span>:=$(TOPDIR)/scripts BUILD_DIR_BASE:=$(TOPDIR)/build_dir BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION)) LIBC:=$(call qstrip,$(CONFIG_LIBC)) LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION)) REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX)) GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi) BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC)) TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX) else ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME)) else GNU_TARGET_NAME=$(shell gcc -dumpmachine) endif REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME) TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME) endif PACKAGE_DIR:=$(BIN_DIR)/packages BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME) STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME) BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME) TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME) STAMP_DIR:=$(BUILD_DIR)/stamp STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR)) TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD) STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD) BUILD_LOG_DIR:=$(TOPDIR)/logs PKG_INFO_DIR := $(STAGING_DIR)/pkginfo TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH))))) TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION) TARGET_CXXFLAGS = $(TARGET_CFLAGS) TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS) TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT) TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),) LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC)))) LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s) LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))) else LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)) LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A)) endif LIBRPC=-lrpc LIBRPC_DEPENDS=+librpc ifeq ($(CONFIG_ARCH_64BIT),y) LIB_SUFFIX:=64 endif ifndef DUMP ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) -include $(TOOLCHAIN_DIR)/info.mk export GCC_HONOUR_COPTS:=0 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-) TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable) TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH) else ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX)) TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT)) TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH))) TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH))) TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH))) ifneq ($(TOOLCHAIN_BIN_DIRS),) TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH) endif ifneq ($(TOOLCHAIN_INC_DIRS),) TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS)) endif ifneq ($(TOOLCHAIN_LIB_DIRS),) TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS)) endif TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH) endif endif endif TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH) ifeq ($(CONFIG_SOFT_FLOAT),y) SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft ifeq ($(CONFIG_arm),y) TARGET_CFLAGS+= -mfloat-abi=soft else TARGET_CFLAGS+= -msoft-float endif else SOFT_FLOAT_CONFIG_OPTION:= ifeq ($(CONFIG_arm),y) TARGET_CFLAGS+= -mfloat-abi=hard endif endif export PATH:=$(TARGET_PATH) export STAGING_DIR export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh; PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config export PKG_CONFIG HOSTCC:=gcc HOSTCXX:=g++ HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS) HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib TARGET_CC:=$(TARGET_CROSS)gcc TARGET_AR:=$(TARGET_CROSS)ar TARGET_RANLIB:=$(TARGET_CROSS)ranlib TARGET_CXX:=$(TARGET_CROSS)g++ KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh SED:=$(STAGING_DIR_HOST)/bin/sed -i -e CP:=cp -fpR LN:=ln -sf XARGS:=xargs -r INSTALL_BIN:=install -m0755 INSTALL_DIR:=install -d -m0755 INSTALL_DATA:=install -m0644 INSTALL_CONF:=install -m0600 TARGET_CC_NOCACHE:=$(TARGET_CC) TARGET_CXX_NOCACHE:=$(TARGET_CXX) HOSTCC_NOCACHE:=$(HOSTCC) HOSTCXX_NOCACHE:=$(HOSTCXX) export TARGET_CC_NOCACHE export TARGET_CXX_NOCACHE export HOSTCC_NOCACHE ifneq ($(CONFIG_CCACHE),) TARGET_CC:= ccache_cc TARGET_CXX:= ccache_cxx HOSTCC:= ccache $(HOSTCC) HOSTCXX:= ccache $(HOSTCXX) endif TARGET_CONFIGURE_OPTS = \ AR=$(TARGET_CROSS)ar \ AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \ LD=$(TARGET_CROSS)ld \ NM=$(TARGET_CROSS)nm \ CC="$(TARGET_CC)" \ GCC="$(TARGET_CC)" \ CXX="$(TARGET_CXX)" \ RANLIB=$(TARGET_CROSS)ranlib \ STRIP=$(TARGET_CROSS)strip \ OBJCOPY=$(TARGET_CROSS)objcopy \ OBJDUMP=$(TARGET_CROSS)objdump \ SIZE=$(TARGET_CROSS)size # strip an entire directory ifneq ($(CONFIG_NO_STRIP),) RSTRIP:=: STRIP:=: else ifneq ($(CONFIG_USE_STRIP),) STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS)) else ifneq ($(CONFIG_USE_SSTRIP),) STRIP:=$(STAGING_DIR_HOST)/bin/sstrip endif endif RSTRIP:= \ export CROSS="$(TARGET_CROSS)" \ $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \ $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \ NM="$(TARGET_CROSS)nm" \ STRIP="$(STRIP)" \ STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \ $(SCRIPT_DIR)/rstrip.sh endif ifeq ($(CONFIG_IPV6),y) DISABLE_IPV6:= else DISABLE_IPV6:=--disable-ipv6 endif TAR_OPTIONS:=-xf - ifeq ($(CONFIG_BUILD_LOG),y) BUILD_LOG:=1 endif export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison export M4:=$(STAGING_DIR_HOST)/bin/m4 define shvar V_$(subst .,_,$(subst -,_,$(subst /,_,$(1)))) endef define shexport export $(call shvar,$(1))=$$(call $(1)) endef define include_mk $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1)))) endef # Execute commands under flock # $(1) => The shell expression. # $(2) => The lock name. If not given, the global lock will be used. define locked SHELL= \ $(STAGING_DIR_HOST)/bin/flock \ $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \ -c '$(subst ','\'',$(1))' endef # Recursively copy paths into another directory, purge dangling # symlinks before. # $(1) => File glob expression # $(2) => Destination directory define file_copy for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \ ( cd $$src_dir; find -type f -or -type d ) | \ ( cd $(2); while :; do \ read FILE; \ [ -z "$$FILE" ] && break; \ [ -L "$$FILE" ] || continue; \ echo "Removing symlink $(2)/$$FILE"; \ rm -f "$$FILE"; \ done; ); \ done; \ $(CP) $(1) $(2) endef # file extension ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1))) all: FORCE: ; .PHONY: FORCE val.%: @$(if $(filter undefined,$(origin $*)),\ echo "$* undefined" >&2, \ echo '$(subst ','"'"',$($*))' \ ) var.%: @$(if $(filter undefined,$(origin $*)),\ echo "$* undefined" >&2, \ echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \ ) endif #__rules_inc