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#
# Copyright (C) 2006-2010 OpenWrt.org
# Copyright (C) 2016 LEDE Project
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
ifneq ($(__rules_inc),1)
__rules_inc=1
ifeq ($(DUMP),)
-include $(TOPDIR)/.config
endif
include $(TOPDIR)/include/debug.mk
include $(TOPDIR)/include/verbose.mk
ifneq ($(filter check,$(MAKECMDGOALS)),)
CHECK:=1
DUMP:=1
endif
export TMP_DIR:=$(TOPDIR)/tmp
export TMPDIR:=$(TMP_DIR)
qstrip=$(strip $(subst ",,$(1)))
#"))
empty:=
space:= $(empty) $(empty)
comma:=,
merge=$(subst $(space),,$(1))
confvar=$(shell echo '$(foreach v,$(1),$(v)=$(subst ','\'',$($(v))))' | $(STAGING_DIR_HOST)/bin/mkhash md5)
strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
paren_left = (
paren_right = )
chars_lower = a b c d e f g h i j k l m n o p q r s t u v w x y z
chars_upper = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
define sep
endef
define newline
endef
__tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
__tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
__tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
__tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
__tr_template = $(__tr_head)$$(1)$(__tr_tail)
$(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
$(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
version_abbrev = $(if $(if $(CHECK),,$(DUMP)),$(1),$(shell printf '%.8s' $(1)))
_SINGLE=export MAKEFLAGS=$(space);
CFLAGS:=
ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
KERNVER:=$(strip $(lastword $(subst -, ,$(BOARD))))
SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
export SHELL:=/usr/bin/env bash
IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
ifeq ($(ARCH),powerpc)
FPIC:=-fPIC
else
FPIC:=-fpic
endif
HOST_FPIC:=-fPIC
ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
GCC_ARCH:=
ifneq ($(ARCH_SUFFIX),)
ARCH_SUFFIX:=_$(ARCH_SUFFIX)
endif
ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
endif
ifdef CONFIG_HAS_SPE_FPU
TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
endif
ifdef CONFIG_MIPS64_ABI
ifneq ($(CONFIG_MIPS64_ABI_O32),y)
ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
endif
endif
DEFAULT_SUBDIR_TARGETS:=clean download prepare compile update refresh prereq dist distcheck configure check check-depends
define DefaultTargets
$(foreach t,$(DEFAULT_SUBDIR_TARGETS) $(1),
.$(t):
$(t): .$(t)
.PHONY: $(t) .$(t)
)
endef
DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
INCLUDE_DIR:=$(TOPDIR)/include
SCRIPT_DIR:=$(TOPDIR)/scripts
BUILD_DIR_BASE:=$(TOPDIR)/build_dir
# Entware specific
# Entware keeps LIBCV (LIBC version) as a suffix in directory names! Lede has removed it....
ifeq ($(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 $(CONFIG_USE_MUSL),,-$(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)$(if $(BUILD_SUFFIX),_$(BUILD_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=$(GNU_TARGET_NAME)
LIBC:=$(call qstrip,$(CONFIG_LIBC))
TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)_$(LIBC)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
endif
#ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
# iremap = -iremap$(1):$(2)
#endif
PACKAGE_DIR:=$(BIN_DIR)/packages
PACKAGE_DIR_ALL:=$(TOPDIR)/staging_dir/packages/$(BOARD)
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-$(BOARD)
STAGING_DIR_IMAGE:=$(STAGING_DIR)/image
BUILD_LOG_DIR:=$(TOPDIR)/logs
PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR_BASE)/hostpkg,$(BUILD_DIR_BASE)/host)
STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
STAGING_DIR_HOSTPKG:=$(TOPDIR)/staging_dir/hostpkg
TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
TARGET_CXXFLAGS = $(TARGET_CFLAGS)
TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
TARGET_GCCGOFLAGS = -g1 -O2
TARGET_CPPFLAGS:=-I$(STAGING_DIR)/opt/include
TARGET_LDFLAGS:=-L$(STAGING_DIR)/opt/lib -Wl,-rpath,/opt/lib -Wl,-rpath-link=$(STAGING_DIR)/opt/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,$(LIBGCC_A))
endif
#
# glibc does not have librpc, so we set it only for uclibc
# dynamic linker depends on libc and arch. it is set for the targets we compile
# may be it is better to patch gcc & glibc to set the path of dynamic linker ????
#
#LIBRPC=-lrpc
#LIBRPC_DEPENDS=+librpc
ifeq ($(LIBC),uClibc)
DYNLINKER=ld-uClibc.so.0
endif
ifeq ($(LIBC),glibc)
ifeq ($(ARCH),aarch64)
DYNLINKER=ld-linux-aarch64.so.1
endif
ifeq ($(ARCH),arm)
DYNLINKER=ld-linux.so.3
endif
ifeq ($(ARCH),i386)
DYNLINKER=ld-linux.so.2
endif
ifeq ($(ARCH),x86_64)
DYNLINKER=ld-linux-x86-64.so.2
endif
ifeq ($(ARCH),mipsel)
DYNLINKER=ld.so.1
endif
ifeq ($(ARCH),mips)
DYNLINKER=ld.so.1
endif
endif
TARGET_LDFLAGS+= -Wl,--dynamic-linker=/opt/lib/$(DYNLINKER)
TARGET_GCCGOFLAGS+= -Wl,--dynamic-linker=/opt/lib/$(DYNLINKER) -Wl,-rpath=/opt/lib
ifeq ($(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 -Wno-error=unused-but-set-variable -Wno-error=unused-result
ifeq ($(CONFIG_USE_MUSL),y)
TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
endif
TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
TARGET_LDFLAGS+= -L$(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:=$(STAGING_DIR)/host/bin:$(STAGING_DIR_HOSTPKG)/bin:$(TARGET_PATH)
ifeq ($(CONFIG_SOFT_FLOAT),y)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
ifeq ($(CONFIG_arm),y)
TARGET_CFLAGS+= -mfloat-abi=soft
TARGET_GCCGOFLAGS+= -mfloat-abi=soft
else
TARGET_CFLAGS+= -msoft-float
TARGET_GCCGOFLAGS+= -msoft-float
endif
else
SOFT_FLOAT_CONFIG_OPTION:=
ifeq ($(CONFIG_arm),y)
TARGET_CFLAGS+= -mfloat-abi=hard
endif
endif
export PATH:=$(TARGET_PATH)
export STAGING_DIR STAGING_DIR_HOST STAGING_DIR_HOSTPKG
export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
export PKG_CONFIG
export GOROOT:=$(STAGING_DIR_HOST)/go
ifeq ($(ARCH),mips)
GOARCH=mips
GOMIPS=GOMIPS=softfloat
endif
ifeq ($(ARCH),mipsel)
GOARCH=mipsle
GOMIPS=GOMIPS=softfloat
endif
ifeq ($(ARCH),aarch64)
GOARCH=arm64
endif
ifeq ($(ARCH),arm)
GOARCH=arm
ifeq ($(ARCH_SUFFIX),_cortex-a9)
GOARM=GOARM=7
else
GOARM=GOARM=5
endif
endif
ifeq ($(ARCH),x86_64)
GOARCH=amd64
endif
ifeq ($(ARCH),i386)
GOARCH=386
endif
HOSTCC:=gcc
HOSTCXX:=g++
HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR_HOSTPKG)/include -I$(STAGING_DIR)/host/include)
HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR_HOSTPKG)/lib -L$(STAGING_DIR)/host/lib)
ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
TARGET_AR:=$(TARGET_CROSS)gcc-ar
TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
TARGET_NM:=$(TARGET_CROSS)gcc-nm
else
TARGET_AR:=$(TARGET_CROSS)ar
TARGET_RANLIB:=$(TARGET_CROSS)ranlib
TARGET_NM:=$(TARGET_CROSS)nm
endif
BUILD_KEY=$(TOPDIR)/key-build
TARGET_CC:=$(TARGET_CROSS)gcc
TARGET_CXX:=$(TARGET_CROSS)g++
KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
CP:=cp -fpR
LN:=ln -sf
XARGS:=xargs -r
BASH:=bash
TAR:=tar
FIND:=find
PATCH:=patch
PYTHON:=python
INSTALL_BIN:=install -m0755
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600
TARGET_CC_NOCACHE:=$(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_AR)" \
AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
LD=$(TARGET_CROSS)ld \
NM="$(TARGET_NM)" \
CC="$(TARGET_CC)" \
GCC="$(TARGET_CC)" \
CXX="$(TARGET_CXX)" \
RANLIB="$(TARGET_RANLIB)" \
STRIP=$(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 $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
$(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" \
PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
$(SCRIPT_DIR)/rstrip.sh
endif
ifeq ($(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))=$$(call $(1))
endef
# Execute commands under flock
# $(1) => The shell expression.
# $(2) => The lock name. If not given, the global lock will be used.
ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
define locked
SHELL= \
flock \
$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
-c '$(subst ','\'',$(1))'
endef
else
locked=$(1)
endif
# Recursively copy paths into another directory, purge dangling
# symlinks before.
# $(1) => File glob expression
# $(2) => Destination directory
define file_copy
for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
( cd $$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
# Calculate sha256sum of any plain file within a given directory
# $(1) => Input directory
# $(2) => If set, recurse into subdirectories
define sha256sums
(cd $(1); find . $(if $(2),,-maxdepth 1) -type f -not -name 'sha256sums' -printf "%P\n" | sort | \
xargs -r $(STAGING_DIR_HOST)/bin/mkhash -n sha256 | sed -ne 's!^\(.*\) \(.*\)$$!\1 *\2!p' > sha256sums)
endef
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
all:
FORCE: ;
.PHONY: FORCE
check: FORCE
@true
val.%:
@$(if $(filter undefined,$(origin $*)),\
echo "$* undefined" >&2, \
echo '$(subst ','"'"',$($*))' \
)
var.%:
@$(if $(filter undefined,$(origin $*)),\
echo "$* undefined" >&2, \
echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
)
endif #__rules_inc