rules.mk

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