rules.mk

   1 include $(TOPDIR)/.config
   2 MAKE1=make
   3 MAKEFLAGS=-j$(BR2_JLEVEL)
   4
   5 # Strip off the annoying quoting
   6 ARCH:=$(strip $(subst ",, $(BR2_ARCH)))
   7 #"
   8 WGET:=$(strip $(subst ",, $(BR2_WGET)))
   9 #"
  10
  11 GCC_VERSION:=$(strip $(subst ",, $(BR2_GCC_VERSION)))
  12 #"
  13 GCC_USE_SJLJ_EXCEPTIONS:=$(strip $(subst ",, $(BR2_GCC_USE_SJLJ_EXCEPTIONS)))
  14 #"
  15 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(BR2_TARGET_OPTIMIZATION)))
  16 #""
  17
  18
  19 ifeq ($(BR2_SOFT_FLOAT),y)
  20 # gcc 3.4.x soft float configuration is different than previous versions.
  21 ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
  22 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  23 else
  24 SOFT_FLOAT_CONFIG_OPTION:=--without-float
  25 endif
  26 TARGET_SOFT_FLOAT:=-msoft-float
  27 ARCH_FPU_SUFFIX:=_nofpu
  28 else
  29 SOFT_FLOAT_CONFIG_OPTION:=
  30 TARGET_SOFT_FLOAT:=
  31 ARCH_FPU_SUFFIX:=
  32 endif
  33
  34
  35 ifeq ($(BR2_TAR_VERBOSITY),y)
  36 TAR_OPTIONS=-xvf
  37 else
  38 TAR_OPTIONS=-xf
  39 endif
  40
  41 ifneq ($(BR2_LARGEFILE),y)
  42 DISABLE_LARGEFILE= --disable-largefile
  43 endif
  44 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
  45
  46 OPTIMIZE_FOR_CPU=$(ARCH)
  47 HOSTCC:=gcc
  48 BASE_DIR:=$(TOPDIR)
  49 DL_DIR:=$(BASE_DIR)/dl
  50 BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
  51 SCRIPT_DIR:=$(BASE_DIR)/scripts
  52 BIN_DIR:=$(BASE_DIR)/bin
  53 STAMP_DIR:=$(BUILD_DIR)/stamp
  54 PACKAGE_DIR:=$(BIN_DIR)/packages
  55 TARGET_DIR:=$(BUILD_DIR)/root
  56 STAMP_DIR:=$(BUILD_DIR)/stamp
  57 TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
  58 # Strip off the annoying quoting
  59 STAGING_DIR:=$(strip $(subst ",, $(BR2_STAGING_DIR)))
  60 #"
  61 TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
  62 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
  63 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  64 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  65 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  66 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  67 TARGET_CC:=$(TARGET_CROSS)gcc
  68 #STRIP:=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
  69 STRIP:=$(STAGING_DIR)/bin/sstrip
  70 PATCH=$(SCRIPT_DIR)/patch-kernel.sh
  71 SED:=$(STAGING_DIR)/bin/sed -i -e
  72 LINUX_VERSION=2.4.30
  73 LINUX_DIR:=$(BUILD_DIR)/linux
  74 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
  75 LINUX_KERNEL:=$(BUILD_DIR)/buildroot-kernel
  76 LINUX_IMAGE:=$(BUILD_DIR)/buildroot-kernel-image
  77 MODULES_SUBDIR := lib/modules/$(LINUX_VERSION)
  78 MODULES_DIR := $(BUILD_DIR)/modules/$(MODULES_SUBDIR)
  79
  80
  81 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  82         -e 's/sparc.*/sparc/' \
  83         -e 's/arm.*/arm/g' \
  84         -e 's/m68k.*/m68k/' \
  85         -e 's/ppc/powerpc/g' \
  86         -e 's/v850.*/v850/g' \
  87         -e 's/sh[234]/sh/' \
  88         -e 's/mips-.*/mips/' \
  89         -e 's/mipsel-.*/mipsel/' \
  90         -e 's/cris.*/cris/' \
  91         -e 's/i[3-9]86/i386/' \
  92         )
  93 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
  94 TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
  95                 AR=$(TARGET_CROSS)ar \
  96                 AS=$(TARGET_CROSS)as \
  97                 LD=$(TARGET_CROSS)ld \
  98                 NM=$(TARGET_CROSS)nm \
  99                 CC=$(TARGET_CROSS)gcc \
 100                 GCC=$(TARGET_CROSS)gcc \
 101                 CXX=$(TARGET_CROSS)g++ \
 102                 RANLIB=$(TARGET_CROSS)ranlib
 103
 104 ifeq ($(ENABLE_LOCALE),true)
 105 DISABLE_NLS:=
 106 else
 107 DISABLE_NLS:=--disable-nls
 108 endif
 109
 110 ifeq ($(BR2_ENABLE_MULTILIB),y)
 111 MULTILIB:=--enable-multilib
 112 endif
 113
 114
 115 # invoke ipkg with configuration in $(STAGING_DIR)/etc/ipkg.conf
 116 IPKG := IPKG_INSTROOT=$(TARGET_DIR) IPKG_CONF_DIR=$(STAGING_DIR)/etc $(TARGET_DIR)/bin/ipkg -force-defaults -force-depends
 117 IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
 118
 119 # invoke ipkg-build with some default options
 120 IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
 121
 122 # where to build (and put) .ipk packages
 123 IPKG_TARGET_DIR := $(PACKAGE_DIR)
 124
 125 RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
 126 RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
 127