rules.mk

   1 #
   2 # Copyright (C) 2006-2007 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 define qstrip
  22 $(strip $(subst ",,$(1)))
  23 endef
  24 #"))
  25
  26 empty:=
  27 space:= $(empty) $(empty)
  28 merge=$(subst $(space),,$(1))
  29 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  30
  31 _SINGLE=MAKEFLAGS=$(space)
  32 ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
  33 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  34 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  35 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  36 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  37 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  38
  39 OPTIMIZE_FOR_CPU=$(ARCH)
  40
  41 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  42 BIN_DIR:=$(TOPDIR)/bin
  43 INCLUDE_DIR:=$(TOPDIR)/include
  44 SCRIPT_DIR:=$(TOPDIR)/scripts
  45 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  46 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  47 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  48 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
  49 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
  50 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  51 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
  52 PACKAGE_DIR:=$(BIN_DIR)/packages/$(ARCH)
  53 STAMP_DIR:=$(BUILD_DIR)/stamp
  54 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  55 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
  56 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  57
  58 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  59   -include $(TOOLCHAIN_DIR)/info.mk
  60   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
  61   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  62   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
  63 endif
  64
  65 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
  66 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
  67 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  68 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  69
  70 ifeq ($(CONFIG_SOFT_FLOAT),y)
  71 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  72 TARGET_CFLAGS+=-msoft-float
  73 else
  74 SOFT_FLOAT_CONFIG_OPTION:=
  75 endif
  76
  77 export PATH:=$(TARGET_PATH)
  78 export STAGING_DIR
  79 export GCC_HONOUR_COPTS:=0
  80
  81 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  82
  83 export PKG_CONFIG
  84
  85 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
  86
  87 HOSTCC:=gcc
  88 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
  89 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
  90
  91 TARGET_CC:=$(TARGET_CROSS)gcc
  92 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
  93 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  94 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
  95 CP:=cp -fpR
  96
  97 INSTALL_BIN:=install -m0755
  98 INSTALL_DIR:=install -d -m0755
  99 INSTALL_DATA:=install -m0644
 100 INSTALL_CONF:=install -m0600
 101
 102 ifneq ($(CONFIG_CCACHE),)
 103   # FIXME: move this variable to a better location
 104   export CCACHE_DIR=$(STAGING_DIR)/ccache
 105   TARGET_CC:= ccache $(TARGET_CC)
 106 endif
 107
 108 TARGET_CONFIGURE_OPTS:= \
 109   AR=$(TARGET_CROSS)ar \
 110   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 111   LD=$(TARGET_CROSS)ld \
 112   NM=$(TARGET_CROSS)nm \
 113   CC="$(TARGET_CC)" \
 114   GCC="$(TARGET_CC)" \
 115   CXX=$(TARGET_CROSS)g++ \
 116   RANLIB=$(TARGET_CROSS)ranlib \
 117   STRIP=$(TARGET_CROSS)strip \
 118   OBJCOPY=$(TARGET_CROSS)objcopy \
 119   OBJDUMP=$(TARGET_CROSS)objdump \
 120   SIZE=$(TARGET_CROSS)size
 121
 122 # strip an entire directory
 123 ifneq ($(CONFIG_BUILD_DEVELOPER_SYSTEM),)
 124   RSTRIP:=:
 125 else
 126   RSTRIP:= \
 127     NM="$(TARGET_CROSS)nm" \
 128     STRIP="$(STRIP)" \
 129     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 130     $(SCRIPT_DIR)/rstrip.sh
 131 endif
 132
 133 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 134   DISABLE_NLS:=
 135 else
 136   DISABLE_NLS:=--disable-nls
 137 endif
 138
 139 ifneq ($(CONFIG_LARGEFILE),y)
 140   DISABLE_LARGEFILE= --disable-largefile
 141 endif
 142
 143 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 144   TAR_OPTIONS:=-xvf -
 145 else
 146   TAR_OPTIONS:=-xf -
 147 endif
 148
 149 define shvar
 150 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 151 endef
 152
 153 define shexport
 154 $(call shvar,$(1))=$$(call $(1))
 155 export $(call shvar,$(1))
 156 endef
 157
 158 # file extension
 159 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 160
 161 all:
 162 FORCE: ;
 163 .PHONY: FORCE
 164
 165 endif #__rules_inc