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 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
  59 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  60 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  61 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  62
  63 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  64   -include $(TOOLCHAIN_DIR)/info.mk
  65   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
  66   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  67   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
  68   TARGET_CFLAGS+= -fhonour-copts
  69 endif
  70
  71 ifeq ($(CONFIG_SOFT_FLOAT),y)
  72 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  73 TARGET_CFLAGS+=-msoft-float
  74 else
  75 SOFT_FLOAT_CONFIG_OPTION:=
  76 endif
  77
  78 export PATH:=$(TARGET_PATH)
  79 export STAGING_DIR
  80 export GCC_HONOUR_COPTS:=0
  81
  82 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  83
  84 export PKG_CONFIG
  85
  86 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
  87
  88 HOSTCC:=gcc
  89 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
  90 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
  91
  92 TARGET_CC:=$(TARGET_CROSS)gcc
  93 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
  94 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  95 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
  96 CP:=cp -fpR
  97
  98 INSTALL_BIN:=install -m0755
  99 INSTALL_DIR:=install -d -m0755
 100 INSTALL_DATA:=install -m0644
 101 INSTALL_CONF:=install -m0600
 102
 103 ifneq ($(CONFIG_CCACHE),)
 104   # FIXME: move this variable to a better location
 105   export CCACHE_DIR=$(STAGING_DIR)/ccache
 106   TARGET_CC:= ccache $(TARGET_CC)
 107 endif
 108
 109 TARGET_CONFIGURE_OPTS:= \
 110   AR=$(TARGET_CROSS)ar \
 111   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 112   LD=$(TARGET_CROSS)ld \
 113   NM=$(TARGET_CROSS)nm \
 114   CC="$(TARGET_CC)" \
 115   GCC="$(TARGET_CC)" \
 116   CXX=$(TARGET_CROSS)g++ \
 117   RANLIB=$(TARGET_CROSS)ranlib \
 118   STRIP=$(TARGET_CROSS)strip \
 119   OBJCOPY=$(TARGET_CROSS)objcopy \
 120   OBJDUMP=$(TARGET_CROSS)objdump \
 121   SIZE=$(TARGET_CROSS)size
 122
 123 # strip an entire directory
 124 ifneq ($(CONFIG_BUILD_DEVELOPER_SYSTEM),)
 125   RSTRIP:=:
 126 else
 127   RSTRIP:= \
 128     NM="$(TARGET_CROSS)nm" \
 129     STRIP="$(STRIP)" \
 130     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 131     $(SCRIPT_DIR)/rstrip.sh
 132 endif
 133
 134 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 135   DISABLE_NLS:=
 136 else
 137   DISABLE_NLS:=--disable-nls
 138 endif
 139
 140 ifneq ($(CONFIG_LARGEFILE),y)
 141   DISABLE_LARGEFILE= --disable-largefile
 142 endif
 143
 144 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 145   TAR_OPTIONS:=-xvf -
 146 else
 147   TAR_OPTIONS:=-xf -
 148 endif
 149
 150 define shvar
 151 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 152 endef
 153
 154 define shexport
 155 $(call shvar,$(1))=$$(call $(1))
 156 export $(call shvar,$(1))
 157 endef
 158
 159 # file extension
 160 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 161
 162 all:
 163 FORCE: ;
 164 .PHONY: FORCE
 165
 166 endif #__rules_inc