rules.mk

   1 ifeq ($(DUMP),)
   2 include $(TOPDIR)/.config
   3 endif
   4
   5 SHELL=/bin/bash
   6 export SHELL
   7
   8 ifdef V
   9   ifeq ("$(origin V)", "command line")
  10     KBUILD_VERBOSE = $(V)
  11   endif
  12 endif
  13 ifndef KBUILD_VERBOSE
  14   KBUILD_VERBOSE = 0
  15 endif
  16
  17 ifneq ($(KBUILD_VERBOSE),0)
  18   quiet =
  19   Q =
  20 else
  21   quiet=quiet_
  22   Q = @
  23 endif
  24
  25
  26 CP=cp -fpR
  27 MAKE1=make
  28 MAKEFLAGS=-j$(CONFIG_JLEVEL) V=$(V) $(EXTRA_MAKEFLAGS)
  29 # Strip off the annoying quoting
  30 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  31 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  32 GCC_VERSION:=$(strip $(subst ",, $(CONFIG_GCC_VERSION)))
  33 GCC_USE_SJLJ_EXCEPTIONS:=$(strip $(subst ",, $(CONFIG_GCC_USE_SJLJ_EXCEPTIONS)))
  34 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  35 #"))"))"))"))")) # for vim's broken syntax highlighting :)
  36
  37
  38 ifeq ($(CONFIG_SOFT_FLOAT),y)
  39 # gcc 3.4.x soft float configuration is different than previous versions.
  40 ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
  41 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  42 else
  43 SOFT_FLOAT_CONFIG_OPTION:=--without-float
  44 endif
  45 TARGET_SOFT_FLOAT:=-msoft-float
  46 ARCH_FPU_SUFFIX:=_nofpu
  47 else
  48 SOFT_FLOAT_CONFIG_OPTION:=
  49 TARGET_SOFT_FLOAT:=
  50 ARCH_FPU_SUFFIX:=
  51 endif
  52
  53
  54 ifeq ($(CONFIG_TAR_VERBOSITY),y)
  55 TAR_OPTIONS=-xvf
  56 else
  57 TAR_OPTIONS=-xf
  58 endif
  59
  60 ifneq ($(CONFIG_LARGEFILE),y)
  61 DISABLE_LARGEFILE= --disable-largefile
  62 endif
  63 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
  64
  65 OPTIMIZE_FOR_CPU=$(ARCH)
  66 HOSTCC:=gcc
  67 BASE_DIR:=$(TOPDIR)
  68 DL_DIR:=$(BASE_DIR)/dl
  69 BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
  70 STAGING_DIR:=$(BASE_DIR)/staging_dir_$(ARCH)$(ARCH_FPU_SUFFIX)
  71 SCRIPT_DIR:=$(BASE_DIR)/scripts
  72 BIN_DIR:=$(BASE_DIR)/bin
  73 STAMP_DIR:=$(BUILD_DIR)/stamp
  74 PACKAGE_DIR:=$(BIN_DIR)/packages
  75 STAMP_DIR:=$(BUILD_DIR)/stamp
  76 TARGET_DIR:=$(BUILD_DIR)/root
  77 TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
  78 TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
  79 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
  80 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  81 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  82 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  83 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  84 TARGET_CC:=$(TARGET_CROSS)gcc
  85 STRIP:=$(STAGING_DIR)/bin/sstrip
  86 PATCH=$(SCRIPT_DIR)/patch-kernel.sh
  87 SED:=$(STAGING_DIR)/bin/sed -i -e
  88 LINUX_DIR:=$(BUILD_DIR)/linux
  89 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
  90
  91
  92 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  93         -e 's/sparc.*/sparc/' \
  94         -e 's/arm.*/arm/g' \
  95         -e 's/m68k.*/m68k/' \
  96         -e 's/ppc/powerpc/g' \
  97         -e 's/v850.*/v850/g' \
  98         -e 's/sh[234]/sh/' \
  99         -e 's/mips-.*/mips/' \
 100         -e 's/mipsel-.*/mipsel/' \
 101         -e 's/cris.*/cris/' \
 102         -e 's/i[3-9]86/i386/' \
 103         )
 104 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
 105 TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
 106                 AR=$(TARGET_CROSS)ar \
 107                 AS=$(TARGET_CROSS)as \
 108                 LD=$(TARGET_CROSS)ld \
 109                 NM=$(TARGET_CROSS)nm \
 110                 CC=$(TARGET_CROSS)gcc \
 111                 GCC=$(TARGET_CROSS)gcc \
 112                 CXX=$(TARGET_CROSS)g++ \
 113                 RANLIB=$(TARGET_CROSS)ranlib
 114
 115 ifeq ($(ENABLE_LOCALE),true)
 116 DISABLE_NLS:=
 117 else
 118 DISABLE_NLS:=--disable-nls
 119 endif
 120
 121 ifeq ($(CONFIG_ENABLE_MULTILIB),y)
 122 MULTILIB:=--enable-multilib
 123 endif
 124
 125 # invoke ipkg-build with some default options
 126 IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
 127 # where to build (and put) .ipk packages
 128 IPKG_TARGET_DIR := $(PACKAGE_DIR)
 129 IPKG:=IPKG_TMP=$(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
 130 IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
 131
 132 RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
 133 RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
 134
 135
 136 all:
 137 .PHONY: FORCE
 138 FORCE: