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 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  31
  32 _SINGLE=MAKEFLAGS=$(space)
  33 ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
  34 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  35 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  36 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  37 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  38 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  39
  40 OPTIMIZE_FOR_CPU=$(ARCH)
  41
  42 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  43 BIN_DIR:=$(TOPDIR)/bin
  44 INCLUDE_DIR:=$(TOPDIR)/include
  45 SCRIPT_DIR:=$(TOPDIR)/scripts
  46 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  47 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  48 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  49 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
  50 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
  51 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  52 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
  53 PACKAGE_DIR:=$(BIN_DIR)/packages/$(ARCH)
  54 STAMP_DIR:=$(BUILD_DIR)/stamp
  55 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  56 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
  57 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  58
  59 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
  60 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  61 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  62 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  63
  64 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  65   -include $(TOOLCHAIN_DIR)/info.mk
  66   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
  67   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  68   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
  69   TARGET_CFLAGS+= -fhonour-copts
  70 endif
  71
  72 ifeq ($(CONFIG_SOFT_FLOAT),y)
  73 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  74 TARGET_CFLAGS+=-msoft-float
  75 else
  76 SOFT_FLOAT_CONFIG_OPTION:=
  77 endif
  78
  79 export PATH:=$(TARGET_PATH)
  80 export STAGING_DIR
  81 export GCC_HONOUR_COPTS:=0
  82
  83 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  84
  85 export PKG_CONFIG
  86
  87 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
  88
  89 HOSTCC:=gcc
  90 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
  91 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
  92
  93 TARGET_CC:=$(TARGET_CROSS)gcc
  94 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
  95 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  96 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
  97 CP:=cp -fpR
  98
  99 INSTALL_BIN:=install -m0755
 100 INSTALL_DIR:=install -d -m0755
 101 INSTALL_DATA:=install -m0644
 102 INSTALL_CONF:=install -m0600
 103
 104 ifneq ($(CONFIG_CCACHE),)
 105   # FIXME: move this variable to a better location
 106   export CCACHE_DIR=$(STAGING_DIR)/ccache
 107   TARGET_CC:= ccache $(TARGET_CC)
 108 endif
 109
 110 TARGET_CONFIGURE_OPTS:= \
 111   AR=$(TARGET_CROSS)ar \
 112   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 113   LD=$(TARGET_CROSS)ld \
 114   NM=$(TARGET_CROSS)nm \
 115   CC="$(TARGET_CC)" \
 116   GCC="$(TARGET_CC)" \
 117   CXX=$(TARGET_CROSS)g++ \
 118   RANLIB=$(TARGET_CROSS)ranlib \
 119   STRIP=$(TARGET_CROSS)strip \
 120   OBJCOPY=$(TARGET_CROSS)objcopy \
 121   OBJDUMP=$(TARGET_CROSS)objdump \
 122   SIZE=$(TARGET_CROSS)size
 123
 124 # strip an entire directory
 125 ifneq ($(CONFIG_BUILD_DEVELOPER_SYSTEM),)
 126   RSTRIP:=:
 127 else
 128   RSTRIP:= \
 129     NM="$(TARGET_CROSS)nm" \
 130     STRIP="$(STRIP)" \
 131     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 132     $(SCRIPT_DIR)/rstrip.sh
 133 endif
 134
 135 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 136   DISABLE_NLS:=
 137 else
 138   DISABLE_NLS:=--disable-nls
 139 endif
 140
 141 ifneq ($(CONFIG_LARGEFILE),y)
 142   DISABLE_LARGEFILE= --disable-largefile
 143 endif
 144
 145 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 146   TAR_OPTIONS:=-xvf -
 147 else
 148   TAR_OPTIONS:=-xf -
 149 endif
 150
 151 define shvar
 152 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 153 endef
 154
 155 define shexport
 156 $(call shvar,$(1))=$$(call $(1))
 157 export $(call shvar,$(1))
 158 endef
 159
 160 # file extension
 161 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 162
 163 all:
 164 FORCE: ;
 165 .PHONY: FORCE
 166
 167 endif #__rules_inc