rules.mk

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