mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
56fd8355b0
When using the OpenWrt toolchain as an external toolchain the build
failed due to missing LTO support. By choosing the GCC wrappers of
the tools this commit makes sure that the LTO-enabled executables
are being used.
Signed-off-by: Vincent Wiemann <vincent.wiemann@ironai.com>
[ wrap the commit description to 72 char ]
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit 2555ffb453)
450 lines
14 KiB
Makefile
450 lines
14 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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#
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# Copyright (C) 2006-2010 OpenWrt.org
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# Copyright (C) 2016 LEDE Project
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ifneq ($(__rules_inc),1)
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__rules_inc=1
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ifeq ($(DUMP),)
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-include $(TOPDIR)/.config
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endif
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include $(TOPDIR)/include/debug.mk
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include $(TOPDIR)/include/verbose.mk
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ifneq ($(filter check,$(MAKECMDGOALS)),)
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CHECK:=1
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DUMP:=1
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endif
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export TMP_DIR:=$(TOPDIR)/tmp
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export TMPDIR:=$(TMP_DIR)
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qstrip=$(strip $(subst ",,$(1)))
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#"))
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empty:=
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space:= $(empty) $(empty)
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comma:=,
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merge=$(subst $(space),,$(1))
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confvar=$(shell echo '$(foreach v,$(1),$(v)=$(subst ','\'',$($(v))))' | $(STAGING_DIR_HOST)/bin/mkhash md5)
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strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
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paren_left = (
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paren_right = )
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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
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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
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define sep
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endef
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define newline
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endef
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__tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
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__tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
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__tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
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__tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
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__tr_template = $(__tr_head)$$(1)$(__tr_tail)
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$(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
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$(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
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version_abbrev = $(if $(if $(CHECK),,$(DUMP)),$(1),$(shell printf '%.8s' $(1)))
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_SINGLE=export MAKEFLAGS=$(space);
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CFLAGS:=
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ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
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ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
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BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
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SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
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TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
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TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
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BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
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SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
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BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
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NPROC:=$(shell sysctl -n hw.ncpu 2>/dev/null || nproc)
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export SHELL:=/usr/bin/env bash
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IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
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OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
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ifneq (,$(findstring $(ARCH) , aarch64 aarch64_be powerpc ))
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FPIC:=-DPIC -fPIC
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else
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FPIC:=-DPIC -fpic
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endif
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HOST_FPIC:=-DPIC -fPIC
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ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
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GCC_ARCH:=
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ifneq ($(ARCH_SUFFIX),)
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ARCH_SUFFIX:=_$(ARCH_SUFFIX)
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endif
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ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
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GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
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endif
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ifdef CONFIG_HAS_SPE_FPU
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TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
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endif
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ifdef CONFIG_MIPS64_ABI
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ifneq ($(CONFIG_MIPS64_ABI_O32),y)
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ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
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endif
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endif
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DEFAULT_SUBDIR_TARGETS:=clean download prepare compile update refresh prereq dist distcheck configure check check-depends
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define DefaultTargets
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$(foreach t,$(DEFAULT_SUBDIR_TARGETS) $(1),
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.$(t):
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$(t): .$(t)
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.PHONY: $(t) .$(t)
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)
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endef
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DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
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OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
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BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
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INCLUDE_DIR:=$(TOPDIR)/include
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SCRIPT_DIR:=$(TOPDIR)/scripts
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BUILD_DIR_BASE:=$(TOPDIR)/build_dir
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ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
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GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
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LIBC:=$(call qstrip,$(CONFIG_LIBC))
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REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
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GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
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DIR_SUFFIX:=_$(LIBC)$(if $(CONFIG_arm),_eabi)
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BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
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TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
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TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
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else
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ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
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GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
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else
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GNU_TARGET_NAME=$(shell gcc -dumpmachine)
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endif
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REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
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LIBC:=$(call qstrip,$(CONFIG_LIBC))
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TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)_$(LIBC)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
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TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
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endif
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ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_TARGET_uml)),)
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ifeq ($(CONFIG_GCC_USE_IREMAP),y)
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iremap = -iremap$(1):$(2)
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else
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iremap = -f$(if $(CONFIG_REPRODUCIBLE_DEBUG_INFO),file,macro)-prefix-map=$(1)=$(2)
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endif
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endif
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PACKAGE_DIR:=$(BIN_DIR)/packages
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PACKAGE_DIR_ALL:=$(TOPDIR)/staging_dir/packages/$(BOARD)
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BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
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STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
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BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
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TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
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STAMP_DIR:=$(BUILD_DIR)/stamp
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STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
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TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
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TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
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STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
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STAGING_DIR_IMAGE:=$(STAGING_DIR)/image
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BUILD_LOG_DIR:=$(if $(call qstrip,$(CONFIG_BUILD_LOG_DIR)),$(call qstrip,$(CONFIG_BUILD_LOG_DIR)),$(TOPDIR)/logs)
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PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
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BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR_BASE)/hostpkg,$(BUILD_DIR_BASE)/host)
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STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
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STAGING_DIR_HOSTPKG:=$(TOPDIR)/staging_dir/hostpkg
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TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
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TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
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TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
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TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
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TARGET_CXXFLAGS = $(TARGET_CFLAGS)
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TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
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TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
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ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
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LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
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LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
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LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
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else
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LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
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LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
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endif
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ifeq ($(CONFIG_ARCH_64BIT),y)
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LIB_SUFFIX:=64
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endif
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ifndef DUMP
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ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
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-include $(TOOLCHAIN_DIR)/info.mk
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export GCC_HONOUR_COPTS:=0
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TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
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TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
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TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
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ifeq ($(CONFIG_USE_MUSL),y)
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TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
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endif
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TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
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TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
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TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
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else
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ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
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TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
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TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
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TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
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TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
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TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
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ifneq ($(TOOLCHAIN_BIN_DIRS),)
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TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
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endif
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ifneq ($(TOOLCHAIN_INC_DIRS),)
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TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
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endif
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ifneq ($(TOOLCHAIN_LIB_DIRS),)
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TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
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endif
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endif
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endif
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endif
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TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(STAGING_DIR_HOSTPKG)/bin:$(TARGET_PATH)
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ifeq ($(CONFIG_SOFT_FLOAT),y)
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SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
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ifeq ($(CONFIG_arm),y)
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TARGET_CFLAGS+= -mfloat-abi=soft
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else
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TARGET_CFLAGS+= -msoft-float
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endif
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else
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SOFT_FLOAT_CONFIG_OPTION:=
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ifeq ($(CONFIG_arm),y)
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TARGET_CFLAGS+= -mfloat-abi=hard
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endif
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endif
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export PATH:=$(TARGET_PATH)
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export STAGING_DIR STAGING_DIR_HOST STAGING_DIR_HOSTPKG
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export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
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PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
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export PKG_CONFIG
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HOSTCC:=gcc
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HOSTCXX:=g++
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HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR_HOSTPKG)/include -I$(STAGING_DIR)/host/include)
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HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
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HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR_HOSTPKG)/lib -L$(STAGING_DIR)/host/lib)
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BUILD_KEY=$(TOPDIR)/key-build
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FAKEROOT:=$(STAGING_DIR_HOST)/bin/fakeroot
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TARGET_AR:=$(TARGET_CROSS)gcc-ar
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TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
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TARGET_NM:=$(TARGET_CROSS)gcc-nm
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TARGET_CC:=$(TARGET_CROSS)gcc
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TARGET_CXX:=$(TARGET_CROSS)g++
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KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
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SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
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ESED:=$(STAGING_DIR_HOST)/bin/sed -E -i -e
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# DOWNLOAD_CHECK_CERTIFICATE is used in /scripts, so we export it here.
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DOWNLOAD_CHECK_CERTIFICATE:=$(CONFIG_DOWNLOAD_CHECK_CERTIFICATE)
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export DOWNLOAD_CHECK_CERTIFICATE
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CP:=cp -fpR
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LN:=ln -sf
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XARGS:=xargs -r
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BASH:=bash
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TAR:=tar
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FIND:=find
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PATCH:=patch
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PYTHON:=python
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INSTALL_BIN:=install -m0755
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INSTALL_SUID:=install -m4755
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INSTALL_DIR:=install -d -m0755
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INSTALL_DATA:=install -m0644
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INSTALL_CONF:=install -m0600
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TARGET_CC_NOCACHE:=$(TARGET_CC)
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TARGET_CXX_NOCACHE:=$(TARGET_CXX)
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HOSTCC_NOCACHE:=$(HOSTCC)
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HOSTCXX_NOCACHE:=$(HOSTCXX)
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export TARGET_CC_NOCACHE
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export TARGET_CXX_NOCACHE
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export HOSTCC_NOCACHE
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export HOSTCXX_NOCACHE
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ifneq ($(CONFIG_CCACHE),)
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TARGET_CC:= ccache_cc
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TARGET_CXX:= ccache_cxx
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HOSTCC:= ccache $(HOSTCC)
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HOSTCXX:= ccache $(HOSTCXX)
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export CCACHE_BASEDIR:=$(TOPDIR)
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export CCACHE_DIR:=$(if $(call qstrip,$(CONFIG_CCACHE_DIR)),$(call qstrip,$(CONFIG_CCACHE_DIR)),$(TOPDIR)/.ccache)
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export CCACHE_COMPILERCHECK:=%compiler% -dumpmachine; %compiler% -dumpversion
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endif
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TARGET_CONFIGURE_OPTS = \
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AR="$(TARGET_AR)" \
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AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
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LD=$(TARGET_CROSS)ld \
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NM="$(TARGET_NM)" \
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CC="$(TARGET_CC)" \
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GCC="$(TARGET_CC)" \
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CXX="$(TARGET_CXX)" \
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RANLIB="$(TARGET_RANLIB)" \
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STRIP=$(TARGET_CROSS)strip \
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OBJCOPY=$(TARGET_CROSS)objcopy \
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OBJDUMP=$(TARGET_CROSS)objdump \
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SIZE=$(TARGET_CROSS)size
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# strip an entire directory
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ifneq ($(CONFIG_NO_STRIP),)
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RSTRIP:=:
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STRIP:=:
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else
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ifneq ($(CONFIG_USE_STRIP),)
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STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
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else
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ifneq ($(CONFIG_USE_SSTRIP),)
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STRIP:=$(STAGING_DIR_HOST)/bin/sstrip $(call qstrip,$(CONFIG_SSTRIP_ARGS))
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endif
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endif
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RSTRIP= \
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export CROSS="$(TARGET_CROSS)" \
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$(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
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$(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
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$(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
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NM="$(TARGET_CROSS)nm" \
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STRIP="$(STRIP)" \
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STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
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PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
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$(SCRIPT_DIR)/rstrip.sh
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endif
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ifeq ($(CONFIG_IPV6),y)
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DISABLE_IPV6:=
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else
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DISABLE_IPV6:=--disable-ipv6
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endif
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TAR_OPTIONS:=-xf -
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ifeq ($(CONFIG_BUILD_LOG),y)
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BUILD_LOG:=1
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endif
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export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
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export M4:=$(STAGING_DIR_HOST)/bin/m4
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define shvar
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V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
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endef
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define shexport
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export $(call shvar,$(1))=$$(call $(1))
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endef
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# Execute commands under flock
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# $(1) => The shell expression.
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# $(2) => The lock name. If not given, the global lock will be used.
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ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
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define locked
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SHELL= \
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flock \
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$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
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-c '$(subst ','\'',$(1))'
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endef
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else
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locked=$(1)
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endif
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# Recursively copy paths into another directory, purge dangling
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# symlinks before.
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# $(1) => File glob expression
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# $(2) => Destination directory
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define file_copy
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for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
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( cd $$src_dir; find -type f -or -type d ) | \
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( cd $(2); while :; do \
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read FILE; \
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[ -z "$$FILE" ] && break; \
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[ -L "$$FILE" ] || continue; \
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echo "Removing symlink $(2)/$$FILE"; \
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rm -f "$$FILE"; \
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done; ); \
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done; \
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$(CP) $(1) $(2)
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endef
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# Calculate sha256sum of any plain file within a given directory
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# $(1) => Input directory
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# $(2) => If set, recurse into subdirectories
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define sha256sums
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(cd $(1); find . $(if $(2),,-maxdepth 1) -type f -not -name 'sha256sums' -printf "%P\n" | sort | \
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xargs -r $(STAGING_DIR_HOST)/bin/mkhash -n sha256 | sed -ne 's!^\(.*\) \(.*\)$$!\1 *\2!p' > sha256sums)
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endef
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# file extension
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ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
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# Count Git commits of a package
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# $(1) => if non-empty: count commits since last ": [uU]pdate to " or ": [bB]ump to " in commit message
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define commitcount
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$(shell \
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if git log -1 >/dev/null 2>/dev/null; then \
|
|
if [ -n "$(1)" ]; then \
|
|
last_bump="$$(git log --pretty=format:'%h %s' . | \
|
|
grep --max-count=1 -e ': [uU]pdate to ' -e ': [bB]ump to ' | \
|
|
cut -f 1 -d ' ')"; \
|
|
fi; \
|
|
if [ -n "$$last_bump" ]; then \
|
|
echo -n $$(($$(git rev-list --count "$$last_bump..HEAD" .) + 1)); \
|
|
else \
|
|
git rev-list --count HEAD .; \
|
|
fi; \
|
|
else \
|
|
secs="$$(($(SOURCE_DATE_EPOCH) % 86400))"; \
|
|
date="$$(date --utc --date="@$(SOURCE_DATE_EPOCH)" "+%y%m%d")"; \
|
|
printf '%s.%05d' "$$date" "$$secs"; \
|
|
fi; \
|
|
)
|
|
endef
|
|
|
|
abi_version_str = $(subst -,,$(subst _,,$(subst .,,$(1))))
|
|
|
|
COMMITCOUNT = $(if $(DUMP),0,$(call commitcount))
|
|
AUTORELEASE = $(if $(DUMP),0,$(call commitcount,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
|