rules.mk

   1 #
   2 # Copyright (C) 2006 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 -include $(TOPDIR)/.config
   9 include $(TOPDIR)/include/verbose.mk
  10
  11 export SHELL=/bin/bash
  12
  13 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  14 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  15 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  16 #"))"))")) # fix vim's broken syntax highlighting
  17
  18 OPTIMIZE_FOR_CPU:=$(ARCH)
  19
  20 # DIRECTORIES #
  21
  22 DL_DIR:=$(TOPDIR)/dl
  23 INCLUDE_DIR:=$(TOPDIR)/include
  24 SCRIPT_DIR:=$(TOPDIR)/scripts
  25 TOOL_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  26 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  27 BIN_DIR:=$(TOPDIR)/bin
  28 PACKAGE_DIR:=$(BIN_DIR)/packages
  29 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  30 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  31 TMP_DIR:=$(BUILD_DIR)/tmp
  32 STAMP_DIR:=$(BUILD_DIR)/stamp
  33 TARGET_DIR:=$(BUILD_DIR)/root
  34 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  35
  36 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  37   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  38   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  39   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  40 endif
  41
  42 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  43
  44 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  45 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  46
  47 export PATH:=$(TARGET_PATH)
  48
  49 LINUX_DIR:=$(BUILD_DIR)/linux
  50 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
  51
  52 # APPLICATIONS #
  53 HOSTCC:=gcc
  54 TARGET_CC:=$(TARGET_CROSS)gcc
  55 STRIP:=$(STAGING_DIR)/bin/sstrip
  56 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  57 SED:=$(STAGING_DIR)/bin/sed -i -e
  58 CP:=cp -fpR
  59
  60 ifneq ($(CONFIG_CCACHE),)
  61   # FIXME: move this variable to a better location
  62   export CCACHE_DIR=$(TOPDIR)/ccache_$(ARCH)
  63   TARGET_CC:= ccache $(TARGET_CC)
  64 endif
  65
  66 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  67         -e 's/sparc.*/sparc/' \
  68         -e 's/arm.*/arm/' \
  69         -e 's/m68k.*/m68k/' \
  70         -e 's/ppc/powerpc/' \
  71         -e 's/v850.*/v850/' \
  72         -e 's/sh[234]/sh/' \
  73         -e 's/mips-.*/mips/' \
  74         -e 's/mipsel-.*/mipsel/' \
  75         -e 's/cris.*/cris/' \
  76         -e 's/i[3-9]86/i386/' \
  77         )
  78
  79 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
  80
  81 TARGET_CONFIGURE_OPTS:= \
  82   AR=$(TARGET_CROSS)ar \
  83   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  84   LD=$(TARGET_CROSS)ld \
  85   NM=$(TARGET_CROSS)nm \
  86   CC="$(TARGET_CC)" \
  87   GCC="$(TARGET_CC)" \
  88   CXX=$(TARGET_CROSS)g++ \
  89   RANLIB=$(TARGET_CROSS)ranlib \
  90   STRIP=$(TARGET_CROSS)strip
  91
  92 # strip an entire directory
  93 RSTRIP:= \
  94   STRIP="$(STRIP)" \
  95   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  96   $(SCRIPT_DIR)/rstrip.sh
  97
  98 # where to build (and put) .ipk packages
  99 IPKG:= \
 100   IPKG_TMP=$(BUILD_DIR)/tmp \
 101   IPKG_INSTROOT=$(TARGET_DIR) \
 102   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 103   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
 104   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 105
 106 # invoke ipkg-build with some default options
 107 IPKG_BUILD:= \
 108   ipkg-build -c -o root -g root
 109
 110 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 111   DISABLE_NLS:=
 112 else
 113   DISABLE_NLS:=--disable-nls
 114 endif
 115
 116 ifneq ($(CONFIG_LARGEFILE),y)
 117   DISABLE_LARGEFILE= --disable-largefile
 118 endif
 119
 120 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 121   TAR_OPTIONS=-xvf
 122 else
 123   TAR_OPTIONS=-xf
 124 endif
 125
 126 all:
 127 FORCE: ;
 128 .PHONY: FORCE
 129 %: ;