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,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_r2
  65 endif
  66 ifneq ($(findstring -mips16,$(TARGET_OPTIMIZATION)),)
  67   TARGET_ASFLAGS_OVERRIDE:=-mno-mips16
  68 endif
  69 ifdef CONFIG_HAS_SPE_FPU
  70   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  71 endif
  72
  73 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  74 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  75 INCLUDE_DIR:=$(TOPDIR)/include
  76 SCRIPT_DIR:=$(TOPDIR)/scripts
  77 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  78 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  79 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  80 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  81   GCCV:=$(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 $(CONFIG_arm),_eabi)
  87   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  88   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  89   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  90   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  91   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  92   PACKAGE_DIR:=$(BIN_DIR)/packages
  93 else
  94   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  95     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  96   else
  97     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  98   endif
  99   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 100   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 101   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 102   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 103   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 104   PACKAGE_DIR:=$(BIN_DIR)/packages
 105 endif
 106 STAMP_DIR:=$(BUILD_DIR)/stamp
 107 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 108 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 109 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 110 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 111 BUILD_LOG_DIR:=$(TOPDIR)/logs
 112 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 113
 114 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 115 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 116 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 117 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
 118 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 119 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 120 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 121 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 122 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 123 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 124 else
 125 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 126 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 127 endif
 128 LIBRPC=-lrpc
 129 LIBRPC_DEPENDS=+librpc
 130
 131 ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
 132   LIB_SUFFIX:=64
 133 endif
 134
 135 ifndef DUMP
 136   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 137     -include $(TOOLCHAIN_DIR)/info.mk
 138     export GCC_HONOUR_COPTS:=0
 139     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 140     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 141     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 142     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 143     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 144   else
 145     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 146       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 147       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 148       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 149       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 150       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 151       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 152         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 153       endif
 154       ifneq ($(TOOLCHAIN_INC_DIRS),)
 155         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 156       endif
 157       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 158         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 159       endif
 160       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 161     endif
 162   endif
 163 endif
 164 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 165
 166 ifeq ($(CONFIG_SOFT_FLOAT),y)
 167   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 168   TARGET_CFLAGS+= -msoft-float
 169 else
 170   SOFT_FLOAT_CONFIG_OPTION:=
 171 endif
 172
 173 export PATH:=$(TARGET_PATH)
 174 export STAGING_DIR
 175 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 176
 177 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 178
 179 export PKG_CONFIG
 180
 181 HOSTCC:=gcc
 182 HOSTCXX:=g++
 183 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 184 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 185 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 186
 187 TARGET_CC:=$(TARGET_CROSS)gcc
 188 TARGET_AR:=$(TARGET_CROSS)ar
 189 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 190 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 191 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 192 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 193 CP:=cp -fpR
 194 LN:=ln -sf
 195
 196 INSTALL_BIN:=install -m0755
 197 INSTALL_DIR:=install -d -m0755
 198 INSTALL_DATA:=install -m0644
 199 INSTALL_CONF:=install -m0600
 200
 201 TARGET_CC_NOCACHE:=$(TARGET_CC)
 202 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 203 HOSTCC_NOCACHE:=$(HOSTCC)
 204 HOSTCXX_NOCACHE:=$(HOSTCXX)
 205 export TARGET_CC_NOCACHE
 206 export TARGET_CXX_NOCACHE
 207 export HOSTCC_NOCACHE
 208
 209 ifneq ($(CONFIG_CCACHE),)
 210   TARGET_CC:= ccache_cc
 211   TARGET_CXX:= ccache_cxx
 212   HOSTCC:= ccache $(HOSTCC)
 213   HOSTCXX:= ccache $(HOSTCXX)
 214 endif
 215
 216 TARGET_CONFIGURE_OPTS = \
 217   AR=$(TARGET_CROSS)ar \
 218   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 219   LD=$(TARGET_CROSS)ld \
 220   NM=$(TARGET_CROSS)nm \
 221   CC="$(TARGET_CC)" \
 222   GCC="$(TARGET_CC)" \
 223   CXX="$(TARGET_CXX)" \
 224   RANLIB=$(TARGET_CROSS)ranlib \
 225   STRIP=$(TARGET_CROSS)strip \
 226   OBJCOPY=$(TARGET_CROSS)objcopy \
 227   OBJDUMP=$(TARGET_CROSS)objdump \
 228   SIZE=$(TARGET_CROSS)size
 229
 230 # strip an entire directory
 231 ifneq ($(CONFIG_NO_STRIP),)
 232   RSTRIP:=:
 233   STRIP:=:
 234 else
 235   ifneq ($(CONFIG_USE_STRIP),)
 236     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 237   else
 238     ifneq ($(CONFIG_USE_SSTRIP),)
 239       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 240     endif
 241   endif
 242   RSTRIP:= \
 243     export CROSS="$(TARGET_CROSS)" \
 244                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 245                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 246     NM="$(TARGET_CROSS)nm" \
 247     STRIP="$(STRIP)" \
 248     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 249     $(SCRIPT_DIR)/rstrip.sh
 250 endif
 251
 252 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 253   DISABLE_NLS:=--enable-nls
 254 else
 255   DISABLE_NLS:=--disable-nls
 256 endif
 257
 258 ifeq ($(CONFIG_IPV6),y)
 259   DISABLE_IPV6:=
 260 else
 261   DISABLE_IPV6:=--disable-ipv6
 262 endif
 263
 264 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 265   TAR_OPTIONS:=-xvf -
 266 else
 267   TAR_OPTIONS:=-xf -
 268 endif
 269
 270 ifeq ($(CONFIG_BUILD_LOG),y)
 271   BUILD_LOG:=1
 272 endif
 273
 274 define shvar
 275 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 276 endef
 277
 278 define shexport
 279 $(call shvar,$(1))=$$(call $(1))
 280 export $(call shvar,$(1))
 281 endef
 282
 283 define include_mk
 284 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 285 endef
 286
 287 # Execute commands under flock
 288 # $(1) => The shell expression.
 289 # $(2) => The lock name. If not given, the global lock will be used.
 290 define locked
 291         SHELL= \
 292         $(STAGING_DIR_HOST)/bin/flock \
 293                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 294                 -c '$(subst ','\'',$(1))'
 295 endef
 296
 297 # Recursively copy paths into another directory, purge dangling
 298 # symlinks before.
 299 # $(1) => File glob expression
 300 # $(2) => Destination directory
 301 define file_copy
 302         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 303                 ( cd $$src_dir; find -type f -or -type d ) | \
 304                         ( cd $(2); while :; do \
 305                                 read FILE; \
 306                                 [ -z "$$FILE" ] && break; \
 307                                 [ -L "$$FILE" ] || continue; \
 308                                 echo "Removing symlink $(2)/$$FILE"; \
 309                                 rm -f "$$FILE"; \
 310                         done; ); \
 311         done; \
 312         $(CP) $(1) $(2)
 313 endef
 314
 315 # file extension
 316 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 317
 318 all:
 319 FORCE: ;
 320 .PHONY: FORCE
 321
 322 val.%:
 323         @$(if $(filter undefined,$(origin $*)),\
 324                 echo "$* undefined" >&2, \
 325                 echo '$(subst ','"'"',$($*))' \
 326         )
 327
 328 var.%:
 329         @$(if $(filter undefined,$(origin $*)),\
 330                 echo "$* undefined" >&2, \
 331                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 332         )
 333
 334 endif #__rules_inc