rules.mk

   1 #
   2 # Copyright (C) 2006-2009 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 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  20
  21 qstrip=$(strip $(subst ",,$(1)))
  22 #"))
  23
  24 empty:=
  25 space:= $(empty) $(empty)
  26 merge=$(subst $(space),,$(1))
  27 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  28 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  29
  30 _SINGLE=export MAKEFLAGS=$(space);
  31 CFLAGS:=
  32 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  33 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  34 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  35 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  36 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  37 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  38
  39 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  40
  41 ifeq ($(ARCH),powerpc)
  42   FPIC:=-fPIC
  43 else
  44   FPIC:=-fpic
  45 endif
  46
  47 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  48 BIN_DIR:=$(TOPDIR)/bin
  49 INCLUDE_DIR:=$(TOPDIR)/include
  50 SCRIPT_DIR:=$(TOPDIR)/scripts
  51 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  52 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  53 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  54 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  55   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  56   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  57   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  58   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  59   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  60   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  61   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
  62   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
  63   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
  64   PACKAGE_DIR:=$(BIN_DIR)/packages/$(BOARD)_$(LIBC)-$(LIBCV)
  65 else
  66   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  67     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  68   else
  69     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  70   endif
  71   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  72   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  73   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  74   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  75   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
  76   PACKAGE_DIR:=$(BIN_DIR)/packages/$(BOARD)_$(GNU_TARGET_NAME)
  77 endif
  78 STAMP_DIR:=$(BUILD_DIR)/stamp
  79 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  80 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
  81 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
  82 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
  83 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
  84 BUILD_LOG_DIR:=$(TOPDIR)/logs
  85
  86 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
  87 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
  88 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  89 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  90 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
  91
  92 ifndef DUMP
  93   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  94     -include $(TOOLCHAIN_DIR)/info.mk
  95     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
  96     TARGET_CFLAGS+= -fhonour-copts
  97     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
  98     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
  99     TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
 100   else
 101     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 102       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 103       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 104       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 105       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 106       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 107       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 108         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 109       endif
 110       ifneq ($(TOOLCHAIN_INC_DIRS),)
 111         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 112       endif
 113       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 114         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 115       endif
 116     endif
 117   endif
 118 endif
 119 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 120
 121 ifeq ($(CONFIG_SOFT_FLOAT),y)
 122   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 123   TARGET_CFLAGS+= -msoft-float
 124 else
 125   SOFT_FLOAT_CONFIG_OPTION:=
 126 endif
 127
 128 export PATH:=$(TARGET_PATH)
 129 export STAGING_DIR
 130 export GCC_HONOUR_COPTS:=0
 131
 132 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 133
 134 export PKG_CONFIG
 135
 136 HOSTCC:=gcc
 137 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 138 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 139
 140 TARGET_CC:=$(TARGET_CROSS)gcc
 141 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 142 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 143 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 144 CP:=cp -fpR
 145
 146 INSTALL_BIN:=install -m0755
 147 INSTALL_DIR:=install -d -m0755
 148 INSTALL_DATA:=install -m0644
 149 INSTALL_CONF:=install -m0600
 150
 151 ifneq ($(CONFIG_CCACHE),)
 152   # FIXME: move this variable to a better location
 153   export CCACHE_DIR=$(STAGING_DIR)/ccache
 154   TARGET_CC:= ccache $(TARGET_CC)
 155 endif
 156
 157 TARGET_CONFIGURE_OPTS:= \
 158   AR=$(TARGET_CROSS)ar \
 159   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 160   LD=$(TARGET_CROSS)ld \
 161   NM=$(TARGET_CROSS)nm \
 162   CC="$(TARGET_CC)" \
 163   GCC="$(TARGET_CC)" \
 164   CXX="$(TARGET_CXX)" \
 165   RANLIB=$(TARGET_CROSS)ranlib \
 166   STRIP=$(TARGET_CROSS)strip \
 167   OBJCOPY=$(TARGET_CROSS)objcopy \
 168   OBJDUMP=$(TARGET_CROSS)objdump \
 169   SIZE=$(TARGET_CROSS)size
 170
 171 # strip an entire directory
 172 ifneq ($(CONFIG_NO_STRIP),)
 173   RSTRIP:=:
 174   STRIP:=:
 175 else
 176   ifneq ($(CONFIG_USE_STRIP),)
 177     STRIP:=$(TARGET_CROSS)strip
 178   else
 179     ifneq ($(CONFIG_USE_SSTRIP),)
 180       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 181     endif
 182   endif
 183   RSTRIP:= \
 184     NM="$(TARGET_CROSS)nm" \
 185     STRIP="$(STRIP)" \
 186     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 187     $(SCRIPT_DIR)/rstrip.sh
 188 endif
 189
 190 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 191   DISABLE_NLS:=--enable-nls
 192 else
 193   DISABLE_NLS:=--disable-nls
 194 endif
 195
 196 ifeq ($(CONFIG_IPV6),y)
 197   DISABLE_IPV6:=
 198 else
 199   DISABLE_IPV6:=--disable-ipv6
 200 endif
 201
 202 ifeq ($(CONFIG_LARGEFILE),y)
 203   DISABLE_LARGEFILE:=
 204 else
 205   DISABLE_LARGEFILE:=--disable-largefile
 206 endif
 207
 208 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 209   TAR_OPTIONS:=-xvf -
 210 else
 211   TAR_OPTIONS:=-xf -
 212 endif
 213
 214 define shvar
 215 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 216 endef
 217
 218 define shexport
 219 $(call shvar,$(1))=$$(call $(1))
 220 export $(call shvar,$(1))
 221 endef
 222
 223 # file extension
 224 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 225
 226 all:
 227 FORCE: ;
 228 .PHONY: FORCE
 229
 230 endif #__rules_inc