openwrt/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 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  37 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  38 TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  39 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  40
  41 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  42 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  43
  44 export PATH:=$(TARGET_PATH)
  45
  46 LINUX_DIR:=$(BUILD_DIR)/linux
  47 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
  48
  49 # APPLICATIONS #
  50 HOSTCC:=gcc
  51 TARGET_CC:=$(TARGET_CROSS)gcc
  52 STRIP:=$(STAGING_DIR)/bin/sstrip
  53 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  54 SED:=$(STAGING_DIR)/bin/sed -i -e
  55 CP:=cp -fpR
  56
  57 ifneq ($(CONFIG_CCACHE),)
  58   # FIXME: move this variable to a better location
  59   export CCACHE_DIR=$(TOPDIR)/ccache_$(ARCH)
  60   TARGET_CC:= ccache $(TARGET_CC)
  61 endif
  62
  63 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  64         -e 's/sparc.*/sparc/' \
  65         -e 's/arm.*/arm/' \
  66         -e 's/m68k.*/m68k/' \
  67         -e 's/ppc/powerpc/' \
  68         -e 's/v850.*/v850/' \
  69         -e 's/sh[234]/sh/' \
  70         -e 's/mips-.*/mips/' \
  71         -e 's/mipsel-.*/mipsel/' \
  72         -e 's/cris.*/cris/' \
  73         -e 's/i[3-9]86/i386/' \
  74         )
  75
  76 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
  77
  78 TARGET_CONFIGURE_OPTS:= \
  79   AR=$(TARGET_CROSS)ar \
  80   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  81   LD=$(TARGET_CROSS)ld \
  82   NM=$(TARGET_CROSS)nm \
  83   CC="$(TARGET_CC)" \
  84   GCC="$(TARGET_CC)" \
  85   CXX=$(TARGET_CROSS)g++ \
  86   RANLIB=$(TARGET_CROSS)ranlib \
  87   STRIP=$(TARGET_CROSS)strip
  88
  89 # strip an entire directory
  90 RSTRIP:= \
  91   STRIP="$(STRIP)" \
  92   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  93   $(SCRIPT_DIR)/rstrip.sh
  94
  95 # where to build (and put) .ipk packages
  96 IPKG:= \
  97   IPKG_TMP=$(BUILD_DIR)/tmp \
  98   IPKG_INSTROOT=$(TARGET_DIR) \
  99   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 100   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
 101   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 102
 103 # invoke ipkg-build with some default options
 104 IPKG_BUILD:= \
 105   ipkg-build -c -o root -g root
 106
 107 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 108   DISABLE_NLS:=
 109 else
 110   DISABLE_NLS:=--disable-nls
 111 endif
 112
 113 ifneq ($(CONFIG_LARGEFILE),y)
 114   DISABLE_LARGEFILE= --disable-largefile
 115 endif
 116
 117 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 118   TAR_OPTIONS=-xvf
 119 else
 120   TAR_OPTIONS=-xf
 121 endif
 122
 123 all:
 124 FORCE: ;
 125 .PHONY: FORCE
 126 %: ;