rules.mk

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