1# 2# Copyright (C) 2006-2010 OpenWrt.org 3# 4# This is free software, licensed under the GNU General Public License v2. 5# See /LICENSE for more information. 6# 7 8ifneq ($(__rules_inc),1) 9__rules_inc=1 10 11ifeq ($(DUMP),) 12 -include $(TOPDIR)/.config 13endif 14include $(TOPDIR)/include/debug.mk 15include $(TOPDIR)/include/verbose.mk 16 17export TMP_DIR:=$(TOPDIR)/tmp 18 19qstrip=$(strip $(subst ",,$(1))) 20#")) 21 22empty:= 23space:= $(empty) $(empty) 24comma:=, 25merge=$(subst $(space),,$(1)) 26confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n))) 27strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1)) 28 29paren_left = ( 30paren_right = ) 31chars_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 32chars_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 33 34define sep 35 36endef 37 38define newline 39 40 41endef 42 43__tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2)) 44__tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma))) 45__tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped)) 46__tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right))) 47__tr_template = $(__tr_head)$$(1)$(__tr_tail) 48 49$(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper))) 50$(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower))) 51 52version_abbrev = $(if $(if $(CHECK),,$(DUMP)),$(1),$(shell printf '%.8s' $(1))) 53 54_SINGLE=export MAKEFLAGS=$(space); 55CFLAGS:= 56ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH))))) 57ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES)) 58BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD)) 59TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION)) 60export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))) 61TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX)) 62BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX)) 63SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR}) 64BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR}) 65export SHELL:=/usr/bin/env bash 66 67IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1) 68 69OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH)) 70 71ifeq ($(ARCH),powerpc) 72 FPIC:=-fPIC 73else 74 FPIC:=-fpic 75endif 76 77HOST_FPIC:=-fPIC 78 79ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE)) 80GCC_ARCH:= 81 82ifneq ($(ARCH_SUFFIX),) 83 ARCH_SUFFIX:=_$(ARCH_SUFFIX) 84endif 85ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),) 86 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION))) 87endif 88ifdef CONFIG_HAS_SPE_FPU 89 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe 90endif 91ifdef CONFIG_MIPS64_ABI 92 ifneq ($(CONFIG_MIPS64_ABI_O32),y) 93 ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI)) 94 endif 95endif 96 97DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl) 98BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD)) 99INCLUDE_DIR:=$(TOPDIR)/include 100SCRIPT_DIR:=$(TOPDIR)/scripts 101BUILD_DIR_BASE:=$(TOPDIR)/build_dir 102ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 103 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION)) 104 LIBC:=$(call qstrip,$(CONFIG_LIBC)) 105 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION)) 106 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX)) 107 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux 108 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi) 109 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC)) 110 TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) 111 TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX) 112else 113 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) 114 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME)) 115 else 116 GNU_TARGET_NAME=$(shell gcc -dumpmachine) 117 endif 118 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME) 119 TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX)) 120 TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME) 121endif 122 123ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),) 124 iremap = -iremap $(1):$(2) 125endif 126 127PACKAGE_DIR:=$(BIN_DIR)/packages 128BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME) 129STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME) 130BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME) 131TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME) 132STAMP_DIR:=$(BUILD_DIR)/stamp 133STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp 134TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR)) 135TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD) 136STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD) 137BUILD_LOG_DIR:=$(TOPDIR)/logs 138PKG_INFO_DIR := $(STAGING_DIR)/pkginfo 139 140BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host) 141STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host 142STAGING_DIR_HOSTPKG:=$(STAGING_DIR)/host 143 144TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH))))) 145TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH)) 146TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin) 147TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)) 148TARGET_CXXFLAGS = $(TARGET_CFLAGS) 149TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS) 150TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT) 151TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include 152TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib 153ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 154LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC)))) 155LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s) 156LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))) 157else 158LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)) 159LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A)) 160endif 161LIBRPC=-lrpc 162LIBRPC_DEPENDS=+librpc 163 164ifeq ($(CONFIG_ARCH_64BIT),y) 165 LIB_SUFFIX:=64 166endif 167 168ifndef DUMP 169 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 170 -include $(TOOLCHAIN_DIR)/info.mk 171 export GCC_HONOUR_COPTS:=0 172 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-) 173 TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result 174 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include 175 ifeq ($(CONFIG_USE_MUSL),y) 176 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify 177 endif 178 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include 179 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib 180 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH) 181 else 182 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) 183 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX)) 184 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT)) 185 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH))) 186 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH))) 187 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH))) 188 ifneq ($(TOOLCHAIN_BIN_DIRS),) 189 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH) 190 endif 191 ifneq ($(TOOLCHAIN_INC_DIRS),) 192 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS)) 193 endif 194 ifneq ($(TOOLCHAIN_LIB_DIRS),) 195 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS)) 196 endif 197 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH) 198 endif 199 endif 200endif 201TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH) 202 203ifeq ($(CONFIG_SOFT_FLOAT),y) 204 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft 205 ifeq ($(CONFIG_arm),y) 206 TARGET_CFLAGS+= -mfloat-abi=soft 207 else 208 TARGET_CFLAGS+= -msoft-float 209 endif 210else 211 SOFT_FLOAT_CONFIG_OPTION:= 212 ifeq ($(CONFIG_arm),y) 213 TARGET_CFLAGS+= -mfloat-abi=hard 214 endif 215endif 216 217export PATH:=$(TARGET_PATH) 218export STAGING_DIR STAGING_DIR_HOST 219export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh; 220 221PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config 222 223export PKG_CONFIG 224 225HOSTCC:=gcc 226HOSTCXX:=g++ 227HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include) 228HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS) 229HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib) 230 231ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) 232 TARGET_AR:=$(TARGET_CROSS)gcc-ar 233 TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib 234 TARGET_NM:=$(TARGET_CROSS)gcc-nm 235else 236 TARGET_AR:=$(TARGET_CROSS)ar 237 TARGET_RANLIB:=$(TARGET_CROSS)ranlib 238 TARGET_NM:=$(TARGET_CROSS)nm 239endif 240 241BUILD_KEY=$(TOPDIR)/key-build 242 243TARGET_CC:=$(TARGET_CROSS)gcc 244TARGET_CXX:=$(TARGET_CROSS)g++ 245KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh 246SED:=$(STAGING_DIR_HOST)/bin/sed -i -e 247CP:=cp -fpR 248LN:=ln -sf 249XARGS:=xargs -r 250 251BASH:=bash 252TAR:=tar 253FIND:=find 254PATCH:=patch 255PYTHON:=python 256 257INSTALL_BIN:=install -m0755 258INSTALL_DIR:=install -d -m0755 259INSTALL_DATA:=install -m0644 260INSTALL_CONF:=install -m0600 261 262TARGET_CC_NOCACHE:=$(TARGET_CC) 263TARGET_CXX_NOCACHE:=$(TARGET_CXX) 264HOSTCC_NOCACHE:=$(HOSTCC) 265HOSTCXX_NOCACHE:=$(HOSTCXX) 266export TARGET_CC_NOCACHE 267export TARGET_CXX_NOCACHE 268export HOSTCC_NOCACHE 269 270ifneq ($(CONFIG_CCACHE),) 271 TARGET_CC:= ccache_cc 272 TARGET_CXX:= ccache_cxx 273 HOSTCC:= ccache $(HOSTCC) 274 HOSTCXX:= ccache $(HOSTCXX) 275endif 276 277TARGET_CONFIGURE_OPTS = \ 278 AR="$(TARGET_AR)" \ 279 AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \ 280 LD=$(TARGET_CROSS)ld \ 281 NM="$(TARGET_NM)" \ 282 CC="$(TARGET_CC)" \ 283 GCC="$(TARGET_CC)" \ 284 CXX="$(TARGET_CXX)" \ 285 RANLIB="$(TARGET_RANLIB)" \ 286 STRIP=$(TARGET_CROSS)strip \ 287 OBJCOPY=$(TARGET_CROSS)objcopy \ 288 OBJDUMP=$(TARGET_CROSS)objdump \ 289 SIZE=$(TARGET_CROSS)size 290 291# strip an entire directory 292ifneq ($(CONFIG_NO_STRIP),) 293 RSTRIP:=: 294 STRIP:=: 295else 296 ifneq ($(CONFIG_USE_STRIP),) 297 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS)) 298 else 299 ifneq ($(CONFIG_USE_SSTRIP),) 300 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip 301 endif 302 endif 303 RSTRIP= \ 304 export CROSS="$(TARGET_CROSS)" \ 305 $(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \ 306 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \ 307 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \ 308 NM="$(TARGET_CROSS)nm" \ 309 STRIP="$(STRIP)" \ 310 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \ 311 PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \ 312 $(SCRIPT_DIR)/rstrip.sh 313endif 314 315ifeq ($(CONFIG_IPV6),y) 316 DISABLE_IPV6:= 317else 318 DISABLE_IPV6:=--disable-ipv6 319endif 320 321TAR_OPTIONS:=-xf - 322 323ifeq ($(CONFIG_BUILD_LOG),y) 324 BUILD_LOG:=1 325endif 326 327export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison 328export M4:=$(STAGING_DIR_HOST)/bin/m4 329 330define shvar 331V_$(subst .,_,$(subst -,_,$(subst /,_,$(1)))) 332endef 333 334define shexport 335export $(call shvar,$(1))=$$(call $(1)) 336endef 337 338define include_mk 339$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1)))) 340endef 341 342# Execute commands under flock 343# $(1) => The shell expression. 344# $(2) => The lock name. If not given, the global lock will be used. 345ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),) 346 define locked 347 SHELL= \ 348 flock \ 349 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \ 350 -c '$(subst ','\'',$(1))' 351 endef 352else 353 locked=$(1) 354endif 355 356# Recursively copy paths into another directory, purge dangling 357# symlinks before. 358# $(1) => File glob expression 359# $(2) => Destination directory 360define file_copy 361 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \ 362 ( cd $$src_dir; find -type f -or -type d ) | \ 363 ( cd $(2); while :; do \ 364 read FILE; \ 365 [ -z "$$FILE" ] && break; \ 366 [ -L "$$FILE" ] || continue; \ 367 echo "Removing symlink $(2)/$$FILE"; \ 368 rm -f "$$FILE"; \ 369 done; ); \ 370 done; \ 371 $(CP) $(1) $(2) 372endef 373 374# file extension 375ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1))) 376 377all: 378FORCE: ; 379.PHONY: FORCE 380 381val.%: 382 @$(if $(filter undefined,$(origin $*)),\ 383 echo "$* undefined" >&2, \ 384 echo '$(subst ','"'"',$($*))' \ 385 ) 386 387var.%: 388 @$(if $(filter undefined,$(origin $*)),\ 389 echo "$* undefined" >&2, \ 390 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \ 391 ) 392 393endif #__rules_inc 394