rules.mk

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