rules.mk

   1 include $(TOPDIR)/.config
   2 SHELL=/bin/bash
   3 export SHELL
   4
   5 ifeq ($(V),)
   6 V=5
   7 endif
   8
   9
  10 ifneq ($(V),0)
  11 TRACE:=echo "---> "
  12 START_TRACE:=echo -n "---> "
  13 END_TRACE:=echo
  14 else
  15 START_TRACE:=:
  16 END_TRACE:=:
  17 TRACE:=:
  18 endif
  19
  20 ifeq (${shell [ "$(V)" -ge 5 ] && echo 1},)
  21 CMD_TRACE:=:
  22 PKG_TRACE:=:
  23 else
  24 CMD_TRACE:=echo -n
  25 PKG_TRACE:=echo "------> "
  26 endif
  27
  28 ifeq (${shell [ "$(V)" -ge 10 ] && echo 1},)
  29 EXTRA_MAKEFLAGS:=-s
  30 MAKE_TRACE:=2>&1 >&/dev/null || { echo "Build failed. Please re-run make with V=99 to see what's going on"; /bin/false; }
  31 else
  32 MAKE_TRACE:=
  33 EXTRA_MAKEFLAGS:=
  34 TRACE:=:
  35 PKG_TRACE:=:
  36 CMD_TRACE:=:
  37 START_TRACE:=:
  38 END_TRACE:=:
  39 endif
  40
  41 MAKE1=make
  42 MAKEFLAGS=-j$(BR2_JLEVEL) V=$(V) $(EXTRA_MAKEFLAGS)
  43 # Strip off the annoying quoting
  44 ARCH:=$(strip $(subst ",, $(BR2_ARCH)))
  45 WGET:=$(strip $(subst ",, $(BR2_WGET)))
  46 GCC_VERSION:=$(strip $(subst ",, $(BR2_GCC_VERSION)))
  47 GCC_USE_SJLJ_EXCEPTIONS:=$(strip $(subst ",, $(BR2_GCC_USE_SJLJ_EXCEPTIONS)))
  48 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(BR2_TARGET_OPTIMIZATION)))
  49 #"))"))"))"))")) # for vim's broken syntax highlighting :)
  50
  51
  52 ifeq ($(BR2_SOFT_FLOAT),y)
  53 # gcc 3.4.x soft float configuration is different than previous versions.
  54 ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
  55 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  56 else
  57 SOFT_FLOAT_CONFIG_OPTION:=--without-float
  58 endif
  59 TARGET_SOFT_FLOAT:=-msoft-float
  60 ARCH_FPU_SUFFIX:=_nofpu
  61 else
  62 SOFT_FLOAT_CONFIG_OPTION:=
  63 TARGET_SOFT_FLOAT:=
  64 ARCH_FPU_SUFFIX:=
  65 endif
  66
  67
  68 ifeq ($(BR2_TAR_VERBOSITY),y)
  69 TAR_OPTIONS=-xvf
  70 else
  71 TAR_OPTIONS=-xf
  72 endif
  73
  74 ifneq ($(BR2_LARGEFILE),y)
  75 DISABLE_LARGEFILE= --disable-largefile
  76 endif
  77 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
  78
  79 OPTIMIZE_FOR_CPU=$(ARCH)
  80 HOSTCC:=gcc
  81 BASE_DIR:=$(TOPDIR)
  82 DL_DIR:=$(BASE_DIR)/dl
  83 BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
  84 STAGING_DIR:=$(BASE_DIR)/staging_dir_$(ARCH)$(ARCH_FPU_SUFFIX)
  85 SCRIPT_DIR:=$(BASE_DIR)/scripts
  86 BIN_DIR:=$(BASE_DIR)/bin
  87 STAMP_DIR:=$(BUILD_DIR)/stamp
  88 PACKAGE_DIR:=$(BIN_DIR)/packages
  89 STAMP_DIR:=$(BUILD_DIR)/stamp
  90 TARGET_DIR:=$(BUILD_DIR)/root
  91 TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
  92 TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
  93 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
  94 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  95 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  96 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  97 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  98 TARGET_CC:=$(TARGET_CROSS)gcc
  99 STRIP:=$(STAGING_DIR)/bin/sstrip
 100 PATCH=$(SCRIPT_DIR)/patch-kernel.sh
 101 SED:=$(STAGING_DIR)/bin/sed -i -e
 102 LINUX_DIR:=$(BUILD_DIR)/linux
 103 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
 104
 105
 106 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
 107         -e 's/sparc.*/sparc/' \
 108         -e 's/arm.*/arm/g' \
 109         -e 's/m68k.*/m68k/' \
 110         -e 's/ppc/powerpc/g' \
 111         -e 's/v850.*/v850/g' \
 112         -e 's/sh[234]/sh/' \
 113         -e 's/mips-.*/mips/' \
 114         -e 's/mipsel-.*/mipsel/' \
 115         -e 's/cris.*/cris/' \
 116         -e 's/i[3-9]86/i386/' \
 117         )
 118 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
 119 TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
 120                 AR=$(TARGET_CROSS)ar \
 121                 AS=$(TARGET_CROSS)as \
 122                 LD=$(TARGET_CROSS)ld \
 123                 NM=$(TARGET_CROSS)nm \
 124                 CC=$(TARGET_CROSS)gcc \
 125                 GCC=$(TARGET_CROSS)gcc \
 126                 CXX=$(TARGET_CROSS)g++ \
 127                 RANLIB=$(TARGET_CROSS)ranlib
 128
 129 ifeq ($(ENABLE_LOCALE),true)
 130 DISABLE_NLS:=
 131 else
 132 DISABLE_NLS:=--disable-nls
 133 endif
 134
 135 ifeq ($(BR2_ENABLE_MULTILIB),y)
 136 MULTILIB:=--enable-multilib
 137 endif
 138
 139 # invoke ipkg-build with some default options
 140 IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
 141 # where to build (and put) .ipk packages
 142 IPKG_TARGET_DIR := $(PACKAGE_DIR)
 143 IPKG:=IPKG_TMP=$(BUILD_DIR)/tmp IPKG_INSTROOT=$(TARGET_DIR) IPKG_CONF_DIR=$(STAGING_DIR)/etc $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 144 IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
 145
 146 RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
 147 RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
 148