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
  13 ifneq ($(V),0)
  14 TRACE:=echo "---> "
  15 START_TRACE:=echo -n "---> "
  16 END_TRACE:=echo
  17 else
  18 START_TRACE:=:
  19 END_TRACE:=:
  20 TRACE:=:
  21 endif
  22
  23 ifeq (${shell [ "$(V)" -ge 5 ] && echo 1},)
  24 CMD_TRACE:=:
  25 PKG_TRACE:=:
  26 else
  27 CMD_TRACE:=echo -n
  28 PKG_TRACE:=echo "------> "
  29 endif
  30
  31 ifeq (${shell [ "$(V)" -ge 10 ] && echo 1},)
  32 EXTRA_MAKEFLAGS:=-s
  33 MAKE_TRACE:=2>&1 >&/dev/null || { echo "Build failed. Please re-run make with V=99 to see what's going on"; /bin/false; }
  34 else
  35 MAKE_TRACE:=
  36 EXTRA_MAKEFLAGS:=
  37 TRACE:=:
  38 PKG_TRACE:=:
  39 CMD_TRACE:=:
  40 START_TRACE:=:
  41 END_TRACE:=:
  42 endif
  43
  44 CP=cp -fpR
  45 MAKE1=make
  46 MAKEFLAGS=-j$(CONFIG_JLEVEL) V=$(V) $(EXTRA_MAKEFLAGS)
  47 # Strip off the annoying quoting
  48 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  49 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  50 GCC_VERSION:=$(strip $(subst ",, $(CONFIG_GCC_VERSION)))
  51 GCC_USE_SJLJ_EXCEPTIONS:=$(strip $(subst ",, $(CONFIG_GCC_USE_SJLJ_EXCEPTIONS)))
  52 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  53 #"))"))"))"))")) # for vim's broken syntax highlighting :)
  54
  55
  56 ifeq ($(CONFIG_SOFT_FLOAT),y)
  57 # gcc 3.4.x soft float configuration is different than previous versions.
  58 ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
  59 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  60 else
  61 SOFT_FLOAT_CONFIG_OPTION:=--without-float
  62 endif
  63 TARGET_SOFT_FLOAT:=-msoft-float
  64 ARCH_FPU_SUFFIX:=_nofpu
  65 else
  66 SOFT_FLOAT_CONFIG_OPTION:=
  67 TARGET_SOFT_FLOAT:=
  68 ARCH_FPU_SUFFIX:=
  69 endif
  70
  71
  72 ifeq ($(CONFIG_TAR_VERBOSITY),y)
  73 TAR_OPTIONS=-xvf
  74 else
  75 TAR_OPTIONS=-xf
  76 endif
  77
  78 ifneq ($(CONFIG_LARGEFILE),y)
  79 DISABLE_LARGEFILE= --disable-largefile
  80 endif
  81 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
  82
  83 OPTIMIZE_FOR_CPU=$(ARCH)
  84 HOSTCC:=gcc
  85 BASE_DIR:=$(TOPDIR)
  86 DL_DIR:=$(BASE_DIR)/dl
  87 BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
  88 STAGING_DIR:=$(BASE_DIR)/staging_dir_$(ARCH)$(ARCH_FPU_SUFFIX)
  89 SCRIPT_DIR:=$(BASE_DIR)/scripts
  90 BIN_DIR:=$(BASE_DIR)/bin
  91 STAMP_DIR:=$(BUILD_DIR)/stamp
  92 PACKAGE_DIR:=$(BIN_DIR)/packages
  93 STAMP_DIR:=$(BUILD_DIR)/stamp
  94 TARGET_DIR:=$(BUILD_DIR)/root
  95 TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
  96 TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
  97 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
  98 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  99 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
 100 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
 101 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
 102 TARGET_CC:=$(TARGET_CROSS)gcc
 103 STRIP:=$(STAGING_DIR)/bin/sstrip
 104 PATCH=$(SCRIPT_DIR)/patch-kernel.sh
 105 SED:=$(STAGING_DIR)/bin/sed -i -e
 106 LINUX_DIR:=$(BUILD_DIR)/linux
 107 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
 108
 109
 110 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
 111         -e 's/sparc.*/sparc/' \
 112         -e 's/arm.*/arm/g' \
 113         -e 's/m68k.*/m68k/' \
 114         -e 's/ppc/powerpc/g' \
 115         -e 's/v850.*/v850/g' \
 116         -e 's/sh[234]/sh/' \
 117         -e 's/mips-.*/mips/' \
 118         -e 's/mipsel-.*/mipsel/' \
 119         -e 's/cris.*/cris/' \
 120         -e 's/i[3-9]86/i386/' \
 121         )
 122 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
 123 TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
 124                 AR=$(TARGET_CROSS)ar \
 125                 AS=$(TARGET_CROSS)as \
 126                 LD=$(TARGET_CROSS)ld \
 127                 NM=$(TARGET_CROSS)nm \
 128                 CC=$(TARGET_CROSS)gcc \
 129                 GCC=$(TARGET_CROSS)gcc \
 130                 CXX=$(TARGET_CROSS)g++ \
 131                 RANLIB=$(TARGET_CROSS)ranlib
 132
 133 ifeq ($(ENABLE_LOCALE),true)
 134 DISABLE_NLS:=
 135 else
 136 DISABLE_NLS:=--disable-nls
 137 endif
 138
 139 ifeq ($(CONFIG_ENABLE_MULTILIB),y)
 140 MULTILIB:=--enable-multilib
 141 endif
 142
 143 # invoke ipkg-build with some default options
 144 IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
 145 # where to build (and put) .ipk packages
 146 IPKG_TARGET_DIR := $(PACKAGE_DIR)
 147 IPKG:=IPKG_TMP=$(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
 148 IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
 149
 150 RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
 151 RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
 152