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 $(TOPDIR)/include/verbose.mk
  16
  17 export TMP_DIR:=$(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 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
  42 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  43 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  44 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  45 export SHELL:=/usr/bin/env bash
  46
  47 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  48
  49 ifeq ($(ARCH),powerpc)
  50   FPIC:=-fPIC
  51 else
  52   FPIC:=-fpic
  53 endif
  54
  55 HOST_FPIC:=-fPIC
  56
  57 ARCH_SUFFIX:=
  58 GCC_ARCH:=
  59
  60 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  61   ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  62   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  63 endif
  64 ifneq ($(filter -mips%r2,$(TARGET_OPTIMIZATION)),)
  65   ARCH_SUFFIX:=_r2
  66 endif
  67 ifneq ($(filter -mdsp,$(TARGET_OPTIMIZATION)),)
  68   ARCH_SUFFIX:=$(ARCH_SUFFIX)_dsp
  69 endif
  70 ifneq ($(filter -mdspr2,$(TARGET_OPTIMIZATION)),)
  71   ARCH_SUFFIX:=$(ARCH_SUFFIX)_dspr2
  72 endif
  73 ifdef CONFIG_USE_MIPS16
  74    TARGET_OPTIMIZATION+= -minterlink-mips16 -mips16
  75 endif
  76 ifneq ($(findstring -mips16,$(TARGET_OPTIMIZATION)),)
  77   TARGET_ASFLAGS_OVERRIDE:=-mno-mips16
  78   ARCH_SUFFIX:= $(ARCH_SUFFIX)_m16
  79 endif
  80 ifdef CONFIG_HAS_SPE_FPU
  81   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  82 endif
  83 ifdef CONFIG_MIPS64_ABI
  84   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  85      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  86   endif
  87 endif
  88
  89 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  90 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  91 INCLUDE_DIR:=$(TOPDIR)/include
  92 SCRIPT_DIR:=$(TOPDIR)/scripts
  93 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  94 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  95 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  96 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  97   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  98   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  99   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 100   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
 101   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
 102   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
 103   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
 104   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 105   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 106   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 107   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 108   PACKAGE_DIR:=$(BIN_DIR)/packages
 109 else
 110   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 111     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 112   else
 113     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 114   endif
 115   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 116   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 117   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 118   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 119   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 120   PACKAGE_DIR:=$(BIN_DIR)/packages
 121 endif
 122 STAMP_DIR:=$(BUILD_DIR)/stamp
 123 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 124 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 125 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 126 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 127 BUILD_LOG_DIR:=$(TOPDIR)/logs
 128 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 129
 130 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 131 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 132 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 133 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
 134 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 135 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 136 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 137 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 138 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 139 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 140 else
 141 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 142 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 143 endif
 144 LIBRPC=-lrpc
 145 LIBRPC_DEPENDS=+librpc
 146
 147 ifeq ($(CONFIG_ARCH_64BIT),y)
 148   LIB_SUFFIX:=64
 149 endif
 150
 151 ifndef DUMP
 152   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 153     -include $(TOOLCHAIN_DIR)/info.mk
 154     export GCC_HONOUR_COPTS:=0
 155     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 156     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 157     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 158     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 159     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 160   else
 161     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 162       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 163       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 164       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 165       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 166       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 167       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 168         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 169       endif
 170       ifneq ($(TOOLCHAIN_INC_DIRS),)
 171         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 172       endif
 173       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 174         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 175       endif
 176       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 177     endif
 178   endif
 179 endif
 180 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 181
 182 ifeq ($(CONFIG_SOFT_FLOAT),y)
 183   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 184   TARGET_CFLAGS+= -msoft-float
 185 else
 186   SOFT_FLOAT_CONFIG_OPTION:=
 187 endif
 188
 189 export PATH:=$(TARGET_PATH)
 190 export STAGING_DIR
 191 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 192
 193 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 194
 195 export PKG_CONFIG
 196
 197 HOSTCC:=gcc
 198 HOSTCXX:=g++
 199 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 200 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 201 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 202
 203 TARGET_CC:=$(TARGET_CROSS)gcc
 204 TARGET_AR:=$(TARGET_CROSS)ar
 205 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 206 TARGET_CXX:=$(TARGET_CROSS)g++
 207 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 208 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 209 CP:=cp -fpR
 210 LN:=ln -sf
 211 XARGS:=xargs -r
 212
 213 INSTALL_BIN:=install -m0755
 214 INSTALL_DIR:=install -d -m0755
 215 INSTALL_DATA:=install -m0644
 216 INSTALL_CONF:=install -m0600
 217
 218 TARGET_CC_NOCACHE:=$(TARGET_CC)
 219 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 220 HOSTCC_NOCACHE:=$(HOSTCC)
 221 HOSTCXX_NOCACHE:=$(HOSTCXX)
 222 export TARGET_CC_NOCACHE
 223 export TARGET_CXX_NOCACHE
 224 export HOSTCC_NOCACHE
 225
 226 ifneq ($(CONFIG_CCACHE),)
 227   TARGET_CC:= ccache_cc
 228   TARGET_CXX:= ccache_cxx
 229   HOSTCC:= ccache $(HOSTCC)
 230   HOSTCXX:= ccache $(HOSTCXX)
 231 endif
 232
 233 TARGET_CONFIGURE_OPTS = \
 234   AR=$(TARGET_CROSS)ar \
 235   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 236   LD=$(TARGET_CROSS)ld \
 237   NM=$(TARGET_CROSS)nm \
 238   CC="$(TARGET_CC)" \
 239   GCC="$(TARGET_CC)" \
 240   CXX="$(TARGET_CXX)" \
 241   RANLIB=$(TARGET_CROSS)ranlib \
 242   STRIP=$(TARGET_CROSS)strip \
 243   OBJCOPY=$(TARGET_CROSS)objcopy \
 244   OBJDUMP=$(TARGET_CROSS)objdump \
 245   SIZE=$(TARGET_CROSS)size
 246
 247 # strip an entire directory
 248 ifneq ($(CONFIG_NO_STRIP),)
 249   RSTRIP:=:
 250   STRIP:=:
 251 else
 252   ifneq ($(CONFIG_USE_STRIP),)
 253     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 254   else
 255     ifneq ($(CONFIG_USE_SSTRIP),)
 256       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 257     endif
 258   endif
 259   RSTRIP:= \
 260     export CROSS="$(TARGET_CROSS)" \
 261                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 262                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 263     NM="$(TARGET_CROSS)nm" \
 264     STRIP="$(STRIP)" \
 265     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 266     $(SCRIPT_DIR)/rstrip.sh
 267 endif
 268
 269 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 270   DISABLE_NLS:=--enable-nls
 271 else
 272   DISABLE_NLS:=--disable-nls
 273 endif
 274
 275 ifeq ($(CONFIG_IPV6),y)
 276   DISABLE_IPV6:=
 277 else
 278   DISABLE_IPV6:=--disable-ipv6
 279 endif
 280
 281 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 282   TAR_OPTIONS:=-xvf -
 283 else
 284   TAR_OPTIONS:=-xf -
 285 endif
 286
 287 ifeq ($(CONFIG_BUILD_LOG),y)
 288   BUILD_LOG:=1
 289 endif
 290
 291 define shvar
 292 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 293 endef
 294
 295 define shexport
 296 $(call shvar,$(1))=$$(call $(1))
 297 export $(call shvar,$(1))
 298 endef
 299
 300 define include_mk
 301 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 302 endef
 303
 304 # Execute commands under flock
 305 # $(1) => The shell expression.
 306 # $(2) => The lock name. If not given, the global lock will be used.
 307 define locked
 308         SHELL= \
 309         $(STAGING_DIR_HOST)/bin/flock \
 310                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 311                 -c '$(subst ','\'',$(1))'
 312 endef
 313
 314 # Recursively copy paths into another directory, purge dangling
 315 # symlinks before.
 316 # $(1) => File glob expression
 317 # $(2) => Destination directory
 318 define file_copy
 319         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 320                 ( cd $$src_dir; find -type f -or -type d ) | \
 321                         ( cd $(2); while :; do \
 322                                 read FILE; \
 323                                 [ -z "$$FILE" ] && break; \
 324                                 [ -L "$$FILE" ] || continue; \
 325                                 echo "Removing symlink $(2)/$$FILE"; \
 326                                 rm -f "$$FILE"; \
 327                         done; ); \
 328         done; \
 329         $(CP) $(1) $(2)
 330 endef
 331
 332 # file extension
 333 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 334
 335 all:
 336 FORCE: ;
 337 .PHONY: FORCE
 338
 339 val.%:
 340         @$(if $(filter undefined,$(origin $*)),\
 341                 echo "$* undefined" >&2, \
 342                 echo '$(subst ','"'"',$($*))' \
 343         )
 344
 345 var.%:
 346         @$(if $(filter undefined,$(origin $*)),\
 347                 echo "$* undefined" >&2, \
 348                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 349         )
 350
 351 endif #__rules_inc