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=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"'  --
  12 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  13 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  14 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  15 #"))"))")) # fix vim's broken syntax highlighting
  16
  17 OPTIMIZE_FOR_CPU:=$(ARCH)
  18
  19 # DIRECTORIES #
  20
  21 DL_DIR:=$(TOPDIR)/dl
  22 INCLUDE_DIR:=$(TOPDIR)/include
  23 SCRIPT_DIR:=$(TOPDIR)/scripts
  24 TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
  25 TOOLCHAIN_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:=$(BUILD_DIR)/linux
  50 LINUX_HEADERS_DIR:=$(TOOLCHAIN_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 ($(CONFIG_CCACHE),)
  61   # FIXME: move this variable to a better location
  62   export CCACHE_DIR=$(STAGING_DIR)/ccache
  63   TARGET_CC:= ccache $(TARGET_CC)
  64 endif
  65
  66 TARGET_CONFIGURE_OPTS:= \
  67   AR=$(TARGET_CROSS)ar \
  68   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  69   LD=$(TARGET_CROSS)ld \
  70   NM=$(TARGET_CROSS)nm \
  71   CC="$(TARGET_CC)" \
  72   GCC="$(TARGET_CC)" \
  73   CXX=$(TARGET_CROSS)g++ \
  74   RANLIB=$(TARGET_CROSS)ranlib \
  75   STRIP=$(TARGET_CROSS)strip
  76
  77 # strip an entire directory
  78 RSTRIP:= \
  79   STRIP="$(STRIP)" \
  80   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  81   $(SCRIPT_DIR)/rstrip.sh
  82
  83 # where to build (and put) .ipk packages
  84 IPKG:= \
  85   IPKG_TMP=$(BUILD_DIR)/tmp \
  86   IPKG_INSTROOT=$(TARGET_DIR) \
  87   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
  88   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
  89   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
  90
  91 # invoke ipkg-build with some default options
  92 IPKG_BUILD:= \
  93   ipkg-build -c -o 0 -g 0
  94
  95 ifeq ($(CONFIG_ENABLE_LOCALE),true)
  96   DISABLE_NLS:=
  97 else
  98   DISABLE_NLS:=--disable-nls
  99 endif
 100
 101 ifneq ($(CONFIG_LARGEFILE),y)
 102   DISABLE_LARGEFILE= --disable-largefile
 103 endif
 104
 105 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 106   TAR_OPTIONS=-xvf
 107 else
 108   TAR_OPTIONS=-xf
 109 endif
 110
 111 all:
 112 FORCE: ;
 113 .PHONY: FORCE
 114 %: ;