rules.mk

   1 -include $(TOPDIR)/.config
   2
   3 export SHELL=/bin/bash
   4
   5 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
   6 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
   7 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
   8 #"))"))")) # fix vim's broken syntax highlighting
   9
  10 OPTIMIZE_FOR_CPU:=$(ARCH)
  11
  12 # DIRECTORIES #
  13
  14 DL_DIR:=$(TOPDIR)/dl
  15 INCLUDE_DIR:=$(TOPDIR)/include
  16 SCRIPT_DIR:=$(TOPDIR)/scripts
  17 TOOL_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  18 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  19 BIN_DIR:=$(TOPDIR)/bin
  20 PACKAGE_DIR:=$(BIN_DIR)/packages
  21 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  22 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  23 STAMP_DIR:=$(BUILD_DIR)/stamp
  24 TARGET_DIR:=$(BUILD_DIR)/root
  25 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  26
  27 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  28 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  29 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  30 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  31 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  32
  33 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
  34 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  35
  36 LINUX_DIR:=$(BUILD_DIR)/linux
  37 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
  38
  39 # APPLICATIONS #
  40 HOSTCC:=gcc
  41 TARGET_CC:=$(TARGET_CROSS)gcc
  42 STRIP:=$(STAGING_DIR)/bin/sstrip
  43 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  44 SED:=$(STAGING_DIR)/bin/sed -i -e
  45 CP:=cp -fpR
  46
  47 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  48         -e 's/sparc.*/sparc/' \
  49         -e 's/arm.*/arm/' \
  50         -e 's/m68k.*/m68k/' \
  51         -e 's/ppc/powerpc/' \
  52         -e 's/v850.*/v850/' \
  53         -e 's/sh[234]/sh/' \
  54         -e 's/mips-.*/mips/' \
  55         -e 's/mipsel-.*/mipsel/' \
  56         -e 's/cris.*/cris/' \
  57         -e 's/i[3-9]86/i386/' \
  58         )
  59
  60 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
  61
  62 TARGET_CONFIGURE_OPTS:= \
  63   PATH=$(TARGET_PATH) \
  64   AR=$(TARGET_CROSS)ar \
  65   AS=$(TARGET_CROSS)as \
  66   LD=$(TARGET_CROSS)ld \
  67   NM=$(TARGET_CROSS)nm \
  68   CC=$(TARGET_CROSS)gcc \
  69   GCC=$(TARGET_CROSS)gcc \
  70   CXX=$(TARGET_CROSS)g++ \
  71   RANLIB=$(TARGET_CROSS)ranlib \
  72   STRIP=$(TARGET_CROSS)strip
  73
  74 # strip an entire directory
  75 RSTRIP:= \
  76   STRIP="$(STRIP)" \
  77   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  78   $(SCRIPT_DIR)/rstrip.sh
  79
  80 # where to build (and put) .ipk packages
  81 IPKG:= \
  82   IPKG_TMP=$(BUILD_DIR)/tmp \
  83   IPKG_INSTROOT=$(TARGET_DIR) \
  84   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
  85   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
  86   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
  87
  88 # invoke ipkg-build with some default options
  89 IPKG_BUILD:= \
  90   PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
  91
  92 ifeq ($(CONFIG_ENABLE_LOCALE),true)
  93   DISABLE_NLS:=
  94 else
  95   DISABLE_NLS:=--disable-nls
  96 endif
  97
  98 ifneq ($(CONFIG_LARGEFILE),y)
  99   DISABLE_LARGEFILE= --disable-largefile
 100 endif
 101
 102 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 103   TAR_OPTIONS=-xvf
 104 else
 105   TAR_OPTIONS=-xf
 106 endif
 107
 108 all:
 109 FORCE: ;
 110 .PHONY: FORCE