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:=$(BIN_DIR)/packages
  55 STAMP_DIR:=$(BUILD_DIR)/stamp
  56 TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
  57 # Strip off the annoying quoting
  58 STAGING_DIR:=$(strip $(subst ",, $(BR2_STAGING_DIR)))
  59 #"
  60 TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
  61 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
  62 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  63 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  64 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  65 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  66 TARGET_CC:=$(TARGET_CROSS)gcc
  67 #STRIP:=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
  68 STRIP:=$(STAGING_DIR)/bin/sstrip
  69 PATCH=$(SCRIPT_DIR)/patch-kernel.sh
  70 SED:=$(STAGING_DIR)/bin/sed -i -e
  71 LINUX_DIR:=$(BUILD_DIR)/linux
  72 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
  73
  74
  75 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  76         -e 's/sparc.*/sparc/' \
  77         -e 's/arm.*/arm/g' \
  78         -e 's/m68k.*/m68k/' \
  79         -e 's/ppc/powerpc/g' \
  80         -e 's/v850.*/v850/g' \
  81         -e 's/sh[234]/sh/' \
  82         -e 's/mips-.*/mips/' \
  83         -e 's/mipsel-.*/mipsel/' \
  84         -e 's/cris.*/cris/' \
  85         -e 's/i[3-9]86/i386/' \
  86         )
  87 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
  88 TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
  89                 AR=$(TARGET_CROSS)ar \
  90                 AS=$(TARGET_CROSS)as \
  91                 LD=$(TARGET_CROSS)ld \
  92                 NM=$(TARGET_CROSS)nm \
  93                 CC=$(TARGET_CROSS)gcc \
  94                 GCC=$(TARGET_CROSS)gcc \
  95                 CXX=$(TARGET_CROSS)g++ \
  96                 RANLIB=$(TARGET_CROSS)ranlib
  97
  98 ifeq ($(ENABLE_LOCALE),true)
  99 DISABLE_NLS:=
 100 else
 101 DISABLE_NLS:=--disable-nls
 102 endif
 103
 104 ifeq ($(BR2_ENABLE_MULTILIB),y)
 105 MULTILIB:=--enable-multilib
 106 endif
 107
 108 # invoke ipkg-build with some default options
 109 IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
 110
 111 # where to build (and put) .ipk packages
 112 IPKG_TARGET_DIR := $(PACKAGE_DIR)
 113
 114 RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
 115 RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
 116