rules.mk

   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
   8 ifneq ($(__rules_inc),1)
   9 __rules_inc=1
  10
  11 ifeq ($(DUMP),)
  12   -include $(TOPDIR)/.config
  13 endif
  14 include $(TOPDIR)/include/debug.mk
  15 include $(TOPDIR)/include/verbose.mk
  16
  17 TMP_DIR:=$(TOPDIR)/tmp
  18
  19 GREP_OPTIONS=
  20 export GREP_OPTIONS
  21
  22 qstrip=$(strip $(subst ",,$(1)))
  23 #"))
  24
  25 empty:=
  26 space:= $(empty) $(empty)
  27 merge=$(subst $(space),,$(1))
  28 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  29 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  30
  31 define sep
  32
  33 endef
  34
  35 _SINGLE=export MAKEFLAGS=$(space);
  36 CFLAGS:=
  37 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  38 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  39 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  40 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  41 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  42 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  43 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  44 export SHELL:=/usr/bin/env bash
  45
  46 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  47
  48 ifeq ($(ARCH),powerpc)
  49   FPIC:=-fPIC
  50 else
  51   FPIC:=-fpic
  52 endif
  53
  54 HOST_FPIC:=-fPIC
  55
  56 ARCH_SUFFIX:=
  57 GCC_ARCH:=
  58
  59 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  60   ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  61   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  62 endif
  63 ifneq ($(filter -mips%r2,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_r2
  65 endif
  66 ifdef CONFIG_HAS_SPE_FPU
  67   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  68 endif
  69
  70 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  71 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  72 INCLUDE_DIR:=$(TOPDIR)/include
  73 SCRIPT_DIR:=$(TOPDIR)/scripts
  74 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  75 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  76 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  77 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  78   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  79   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  80   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  81   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  82   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  83   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  84   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  85   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  86   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  87   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  88   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  89   PACKAGE_DIR:=$(BIN_DIR)/packages
  90 else
  91   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  92     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  93   else
  94     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  95   endif
  96   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  97   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  98   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  99   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 100   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 101   PACKAGE_DIR:=$(BIN_DIR)/packages
 102 endif
 103 STAMP_DIR:=$(BUILD_DIR)/stamp
 104 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 105 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 106 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 107 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 108 BUILD_LOG_DIR:=$(TOPDIR)/logs
 109 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 110
 111 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 112 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 113 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 114 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 115 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 116 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 117 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 118 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 119 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 120 else
 121 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 122 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 123 endif
 124 LIBRPC=-lrpc
 125 LIBRPC_DEPENDS=+librpc
 126
 127 ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
 128   LIB_SUFFIX:=64
 129 endif
 130
 131 ifndef DUMP
 132   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 133     -include $(TOOLCHAIN_DIR)/info.mk
 134     export GCC_HONOUR_COPTS:=0
 135     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 136     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 137     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 138     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 139     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 140   else
 141     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 142       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 143       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 144       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 145       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 146       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 147       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 148         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 149       endif
 150       ifneq ($(TOOLCHAIN_INC_DIRS),)
 151         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 152       endif
 153       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 154         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 155       endif
 156       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 157     endif
 158   endif
 159 endif
 160 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 161
 162 ifeq ($(CONFIG_SOFT_FLOAT),y)
 163   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 164   TARGET_CFLAGS+= -msoft-float
 165 else
 166   SOFT_FLOAT_CONFIG_OPTION:=
 167 endif
 168
 169 export PATH:=$(TARGET_PATH)
 170 export STAGING_DIR
 171 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 172
 173 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 174
 175 export PKG_CONFIG
 176
 177 HOSTCC:=gcc
 178 HOSTCXX:=g++
 179 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 180 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 181 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 182
 183 TARGET_CC:=$(TARGET_CROSS)gcc
 184 TARGET_AR:=$(TARGET_CROSS)ar
 185 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 186 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 187 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 188 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 189 CP:=cp -fpR
 190 LN:=ln -sf
 191
 192 INSTALL_BIN:=install -m0755
 193 INSTALL_DIR:=install -d -m0755
 194 INSTALL_DATA:=install -m0644
 195 INSTALL_CONF:=install -m0600
 196
 197 TARGET_CC_NOCACHE:=$(TARGET_CC)
 198 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 199 HOSTCC_NOCACHE:=$(HOSTCC)
 200 HOSTCXX_NOCACHE:=$(HOSTCXX)
 201 export TARGET_CC_NOCACHE
 202 export TARGET_CXX_NOCACHE
 203 export HOSTCC_NOCACHE
 204
 205 ifneq ($(CONFIG_CCACHE),)
 206   TARGET_CC:= ccache_cc
 207   TARGET_CXX:= ccache_cxx
 208   HOSTCC:= ccache $(HOSTCC)
 209   HOSTCXX:= ccache $(HOSTCXX)
 210 endif
 211
 212 TARGET_CONFIGURE_OPTS = \
 213   AR=$(TARGET_CROSS)ar \
 214   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 215   LD=$(TARGET_CROSS)ld \
 216   NM=$(TARGET_CROSS)nm \
 217   CC="$(TARGET_CC)" \
 218   GCC="$(TARGET_CC)" \
 219   CXX="$(TARGET_CXX)" \
 220   RANLIB=$(TARGET_CROSS)ranlib \
 221   STRIP=$(TARGET_CROSS)strip \
 222   OBJCOPY=$(TARGET_CROSS)objcopy \
 223   OBJDUMP=$(TARGET_CROSS)objdump \
 224   SIZE=$(TARGET_CROSS)size
 225
 226 # strip an entire directory
 227 ifneq ($(CONFIG_NO_STRIP),)
 228   RSTRIP:=:
 229   STRIP:=:
 230 else
 231   ifneq ($(CONFIG_USE_STRIP),)
 232     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 233   else
 234     ifneq ($(CONFIG_USE_SSTRIP),)
 235       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 236     endif
 237   endif
 238   RSTRIP:= \
 239     export CROSS="$(TARGET_CROSS)" \
 240                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 241                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 242     NM="$(TARGET_CROSS)nm" \
 243     STRIP="$(STRIP)" \
 244     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 245     $(SCRIPT_DIR)/rstrip.sh
 246 endif
 247
 248 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 249   DISABLE_NLS:=--enable-nls
 250 else
 251   DISABLE_NLS:=--disable-nls
 252 endif
 253
 254 ifeq ($(CONFIG_IPV6),y)
 255   DISABLE_IPV6:=
 256 else
 257   DISABLE_IPV6:=--disable-ipv6
 258 endif
 259
 260 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 261   TAR_OPTIONS:=-xvf -
 262 else
 263   TAR_OPTIONS:=-xf -
 264 endif
 265
 266 ifeq ($(CONFIG_BUILD_LOG),y)
 267   BUILD_LOG:=1
 268 endif
 269
 270 define shvar
 271 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 272 endef
 273
 274 define shexport
 275 $(call shvar,$(1))=$$(call $(1))
 276 export $(call shvar,$(1))
 277 endef
 278
 279 define include_mk
 280 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 281 endef
 282
 283 # Execute commands under flock
 284 # $(1) => The shell expression.
 285 # $(2) => The lock name. If not given, the global lock will be used.
 286 define locked
 287         SHELL= \
 288         $(STAGING_DIR_HOST)/bin/flock \
 289                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 290                 -c '$(subst ','\'',$(1))'
 291 endef
 292
 293 # Recursively copy paths into another directory, purge dangling
 294 # symlinks before.
 295 # $(1) => File glob expression
 296 # $(2) => Destination directory
 297 define file_copy
 298         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 299                 ( cd $$src_dir; find -type f -or -type d ) | \
 300                         ( cd $(2); while :; do \
 301                                 read FILE; \
 302                                 [ -z "$$FILE" ] && break; \
 303                                 [ -L "$$FILE" ] || continue; \
 304                                 echo "Removing symlink $(2)/$$FILE"; \
 305                                 rm -f "$$FILE"; \
 306                         done; ); \
 307         done; \
 308         $(CP) $(1) $(2)
 309 endef
 310
 311 # file extension
 312 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 313
 314 all:
 315 FORCE: ;
 316 .PHONY: FORCE
 317
 318 val.%:
 319         @$(if $(filter undefined,$(origin $*)),\
 320                 echo "$* undefined" >&2, \
 321                 echo '$(subst ','"'"',$($*))' \
 322         )
 323
 324 var.%:
 325         @$(if $(filter undefined,$(origin $*)),\
 326                 echo "$* undefined" >&2, \
 327                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 328         )
 329
 330 endif #__rules_inc