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)/tool_build
  26 TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  27 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  28 BIN_DIR:=$(TOPDIR)/bin
  29 PACKAGE_DIR:=$(BIN_DIR)/packages
  30 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  31 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  32 TMP_DIR:=$(BUILD_DIR)/tmp
  33 STAMP_DIR:=$(BUILD_DIR)/stamp
  34 TARGET_DIR:=$(BUILD_DIR)/root
  35 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  36
  37 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  38   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  39   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  40   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  41 endif
  42
  43 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  44
  45 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  46 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  47
  48 export PATH:=$(TARGET_PATH)
  49
  50 LINUX_DIR:=$(BUILD_DIR)/linux
  51 LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
  52
  53 # APPLICATIONS #
  54 HOSTCC:=gcc
  55 TARGET_CC:=$(TARGET_CROSS)gcc
  56 STRIP:=$(STAGING_DIR)/bin/sstrip
  57 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  58 SED:=$(STAGING_DIR)/bin/sed -i -e
  59 CP:=cp -fpR
  60
  61 ifneq ($(CONFIG_CCACHE),)
  62   # FIXME: move this variable to a better location
  63   export CCACHE_DIR=$(TOPDIR)/ccache_$(ARCH)
  64   TARGET_CC:= ccache $(TARGET_CC)
  65 endif
  66
  67 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
  68         -e 's/sparc.*/sparc/' \
  69         -e 's/arm.*/arm/' \
  70         -e 's/m68k.*/m68k/' \
  71         -e 's/ppc/powerpc/' \
  72         -e 's/v850.*/v850/' \
  73         -e 's/sh[234]/sh/' \
  74         -e 's/mips-.*/mips/' \
  75         -e 's/mipsel-.*/mipsel/' \
  76         -e 's/cris.*/cris/' \
  77         -e 's/i[3-9]86/i386/' \
  78         )
  79
  80 GNU_HOST_NAME:=$(shell $(HOSTCC) -dumpmachine)
  81
  82 TARGET_CONFIGURE_OPTS:= \
  83   AR=$(TARGET_CROSS)ar \
  84   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  85   LD=$(TARGET_CROSS)ld \
  86   NM=$(TARGET_CROSS)nm \
  87   CC="$(TARGET_CC)" \
  88   GCC="$(TARGET_CC)" \
  89   CXX=$(TARGET_CROSS)g++ \
  90   RANLIB=$(TARGET_CROSS)ranlib \
  91   STRIP=$(TARGET_CROSS)strip
  92
  93 # strip an entire directory
  94 RSTRIP:= \
  95   STRIP="$(STRIP)" \
  96   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  97   $(SCRIPT_DIR)/rstrip.sh
  98
  99 # where to build (and put) .ipk packages
 100 IPKG:= \
 101   IPKG_TMP=$(BUILD_DIR)/tmp \
 102   IPKG_INSTROOT=$(TARGET_DIR) \
 103   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 104   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
 105   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 106
 107 # invoke ipkg-build with some default options
 108 IPKG_BUILD:= \
 109   ipkg-build -c -o 0 -g 0
 110
 111 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 112   DISABLE_NLS:=
 113 else
 114   DISABLE_NLS:=--disable-nls
 115 endif
 116
 117 ifneq ($(CONFIG_LARGEFILE),y)
 118   DISABLE_LARGEFILE= --disable-largefile
 119 endif
 120
 121 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 122   TAR_OPTIONS=-xvf
 123 else
 124   TAR_OPTIONS=-xf
 125 endif
 126
 127 all:
 128 FORCE: ;
 129 .PHONY: FORCE
 130 %: ;