1# 2# Copyright (c) 2013 The Linux Foundation. All rights reserved. 3# Copyright (C) 2006-2010 OpenWrt.org 4# 5# This is free software, licensed under the GNU General Public License v2. 6# See /LICENSE for more information. 7# 8 9ifneq ($(__rules_inc),1) 10__rules_inc=1 11 12ifeq ($(DUMP),) 13 -include $(TOPDIR)/.config 14endif 15include $(TOPDIR)/include/debug.mk 16include $(TOPDIR)/include/verbose.mk 17 18TMP_DIR:=$(TOPDIR)/tmp 19 20GREP_OPTIONS= 21export GREP_OPTIONS 22 23qstrip=$(strip $(subst ",,$(1))) 24#")) 25 26empty:= 27space:= $(empty) $(empty) 28merge=$(subst $(space),,$(1)) 29confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n))) 30strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1)) 31 32define sep 33 34endef 35 36_SINGLE=export MAKEFLAGS=$(space); 37CFLAGS:= 38ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH))))) 39ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES)) 40BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD)) 41TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION)) 42TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX)) 43BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX)) 44SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR}) 45export SHELL:=/usr/bin/env bash 46 47OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH)) 48 49ifeq ($(ARCH),powerpc) 50 FPIC:=-fPIC 51else 52 FPIC:=-fpic 53endif 54 55HOST_FPIC:=-fPIC 56 57ARCH_SUFFIX:= 58GCC_ARCH:= 59 60ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),) 61 ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION))) 62 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION))) 63endif 64ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),) 65 ARCH_SUFFIX:=_r2 66endif 67ifdef CONFIG_HAS_SPE_FPU 68 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe 69endif 70 71GIT_HOME:=$(TOPDIR)/git_home 72DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl) 73BIN_DIR:=$(TOPDIR)/bin/$(BOARD) 74INCLUDE_DIR:=$(TOPDIR)/include 75SCRIPT_DIR:=$(TOPDIR)/scripts 76BUILD_DIR_BASE:=$(TOPDIR)/build_dir 77BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host 78STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host 79PREBUILT_DIR:=$(TOPDIR)/prebuilt/$(BOARD) 80ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 81 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION)) 82 LIBC:=$(call qstrip,$(CONFIG_LIBC)) 83 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION)) 84 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX)) 85 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux 86 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi) 87 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) 88 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) 89 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX) 90 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX) 91 PACKAGE_DIR:=$(BIN_DIR)/packages 92else 93 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) 94 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME)) 95 else 96 GNU_TARGET_NAME=$(shell gcc -dumpmachine) 97 endif 98 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME) 99 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) 100 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) 101 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME) 102 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME) 103 PACKAGE_DIR:=$(BIN_DIR)/packages 104endif 105STAMP_DIR:=$(BUILD_DIR)/stamp 106STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp 107TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR)) 108TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD) 109STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD) 110BUILD_LOG_DIR:=$(TOPDIR)/logs 111 112TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH))))) 113TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) 114TARGET_CXXFLAGS = $(TARGET_CFLAGS) 115TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include 116TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib 117ifeq ($(CONFIG_ENABLE_SSP),y) 118TARGET_CFLAGS+= -fstack-protector 119endif 120ifeq ($(CONFIG_ENABLE_RELRO),y) 121TARGET_CFLAGS+= -Wl,-z,relro,-z,now 122TARGET_LDFLAGS+= -Wl,-z,relro,-z,now 123endif 124ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 125LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC)))) 126LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s) 127LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)) 128else 129LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a) 130LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A)) 131endif 132LIBRPC=-lrpc 133LIBRPC_DEPENDS=+librpc 134 135ifneq ($(findstring $(ARCH) , mips64 x86_64 ),) 136 LIB_SUFFIX:=64 137endif 138 139ifndef DUMP 140 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 141 -include $(TOOLCHAIN_DIR)/info.mk 142 export GCC_HONOUR_COPTS:=0 143 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-) 144 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable) 145 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include 146 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib 147 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH) 148 else 149 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) 150 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX)) 151 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT)) 152 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH))) 153 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH))) 154 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH))) 155 ifneq ($(TOOLCHAIN_BIN_DIRS),) 156 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH) 157 endif 158 ifneq ($(TOOLCHAIN_INC_DIRS),) 159 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS)) 160 endif 161 ifneq ($(TOOLCHAIN_LIB_DIRS),) 162 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS)) 163 endif 164 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH) 165 endif 166 endif 167endif 168TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH) 169 170ifeq ($(CONFIG_SOFT_FLOAT),y) 171 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft 172 TARGET_CFLAGS+= -msoft-float 173else 174 SOFT_FLOAT_CONFIG_OPTION:= 175endif 176 177export PATH:=$(TARGET_PATH) 178export STAGING_DIR 179export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh; 180 181PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config 182 183export PKG_CONFIG 184 185HOSTCC:=gcc 186HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include 187HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS) 188HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib 189 190TARGET_CC:=$(TARGET_CROSS)gcc 191TARGET_AR:=$(TARGET_CROSS)ar 192TARGET_RANLIB:=$(TARGET_CROSS)ranlib 193TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no) 194KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh 195SED:=$(STAGING_DIR_HOST)/bin/sed -i -e 196CP:=cp -fpR 197LN:=ln -sf 198 199INSTALL_BIN:=install -m0755 200INSTALL_DIR:=install -d -m0755 201INSTALL_DATA:=install -m0644 202INSTALL_CONF:=install -m0600 203 204TARGET_CC_NOCACHE:=$(TARGET_CC) 205TARGET_CXX_NOCACHE:=$(TARGET_CXX) 206HOSTCC_NOCACHE:=$(HOSTCC) 207export TARGET_CC_NOCACHE 208export TARGET_CXX_NOCACHE 209export HOSTCC_NOCACHE 210 211ifneq ($(CONFIG_CCACHE),) 212 TARGET_CC:= ccache_cc 213 TARGET_CXX:= ccache_cxx 214 HOSTCC:= ccache $(HOSTCC) 215endif 216 217TARGET_CONFIGURE_OPTS = \ 218 AR=$(TARGET_CROSS)ar \ 219 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \ 220 LD=$(TARGET_CROSS)ld \ 221 NM=$(TARGET_CROSS)nm \ 222 CC="$(TARGET_CC)" \ 223 GCC="$(TARGET_CC)" \ 224 CXX="$(TARGET_CXX)" \ 225 RANLIB=$(TARGET_CROSS)ranlib \ 226 STRIP=$(TARGET_CROSS)strip \ 227 OBJCOPY=$(TARGET_CROSS)objcopy \ 228 OBJDUMP=$(TARGET_CROSS)objdump \ 229 SIZE=$(TARGET_CROSS)size 230 231# strip an entire directory 232ifneq ($(CONFIG_NO_STRIP),) 233 RSTRIP:=: 234 STRIP:=: 235else 236 ifneq ($(CONFIG_USE_STRIP),) 237 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS)) 238 else 239 ifneq ($(CONFIG_USE_SSTRIP),) 240 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip 241 endif 242 endif 243 RSTRIP:= \ 244 export CROSS="$(TARGET_CROSS)" \ 245 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \ 246 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \ 247 NM="$(TARGET_CROSS)nm" \ 248 STRIP="$(STRIP)" \ 249 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \ 250 $(SCRIPT_DIR)/rstrip.sh 251endif 252 253ifeq ($(CONFIG_ENABLE_LOCALE),true) 254 DISABLE_NLS:=--enable-nls 255else 256 DISABLE_NLS:=--disable-nls 257endif 258 259ifeq ($(CONFIG_IPV6),y) 260 DISABLE_IPV6:= 261else 262 DISABLE_IPV6:=--disable-ipv6 263endif 264 265ifeq ($(CONFIG_TAR_VERBOSITY),y) 266 TAR_OPTIONS:=-xvf - 267else 268 TAR_OPTIONS:=-xf - 269endif 270 271ifeq ($(CONFIG_BUILD_LOG),y) 272 BUILD_LOG:=1 273endif 274 275define shvar 276V_$(subst .,_,$(subst -,_,$(subst /,_,$(1)))) 277endef 278 279define shexport 280$(call shvar,$(1))=$$(call $(1)) 281export $(call shvar,$(1)) 282endef 283 284define include_mk 285$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1)))) 286endef 287 288# Execute commands under flock 289# $(1) => The shell expression. 290# $(2) => The lock name. If not given, the global lock will be used. 291define locked 292 SHELL= \ 293 $(STAGING_DIR_HOST)/bin/flock \ 294 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \ 295 -c '$(subst ','\'',$(1))' 296endef 297 298# file extension 299ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1))) 300 301all: 302FORCE: ; 303.PHONY: FORCE 304 305val.%: 306 @$(if $(filter undefined,$(origin $*)),\ 307 echo "$* undefined" >&2, \ 308 echo '$(subst ','"'"',$($*))' \ 309 ) 310 311var.%: 312 @$(if $(filter undefined,$(origin $*)),\ 313 echo "$* undefined" >&2, \ 314 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \ 315 ) 316 317endif #__rules_inc 318