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/host.mk
  10 include $(TOPDIR)/include/verbose.mk
  11
  12 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  13 export BASH=$(shell which bash)
  14
  15 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  16 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  17 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  18 #"))"))")) # fix vim's broken syntax highlighting
  19
  20 OPTIMIZE_FOR_CPU:=$(ARCH)
  21
  22 # DIRECTORIES #
  23
  24 DL_DIR:=$(TOPDIR)/dl
  25 INCLUDE_DIR:=$(TOPDIR)/include
  26 SCRIPT_DIR:=$(TOPDIR)/scripts
  27 TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
  28 TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  29 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  30 BIN_DIR:=$(TOPDIR)/bin
  31 PACKAGE_DIR:=$(BIN_DIR)/packages
  32 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  33 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  34 TMP_DIR:=$(BUILD_DIR)/tmp
  35 STAMP_DIR:=$(BUILD_DIR)/stamp
  36 TARGET_DIR:=$(BUILD_DIR)/root
  37 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  38
  39 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  40   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  41   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  42   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  43 endif
  44
  45 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  46
  47 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  48 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  49
  50 export PATH:=$(TARGET_PATH)
  51
  52 LINUX_DIR:=$(BUILD_DIR)/linux
  53 LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
  54
  55 # APPLICATIONS #
  56 HOSTCC:=gcc
  57 TARGET_CC:=$(TARGET_CROSS)gcc
  58 STRIP:=$(STAGING_DIR)/bin/sstrip
  59 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  60 SED:=$(STAGING_DIR)/bin/sed -i -e
  61 CP:=cp -fpR
  62
  63 ifneq ($(CONFIG_CCACHE),)
  64   # FIXME: move this variable to a better location
  65   export CCACHE_DIR=$(STAGING_DIR)/ccache
  66   TARGET_CC:= ccache $(TARGET_CC)
  67 endif
  68
  69 TARGET_CONFIGURE_OPTS:= \
  70   AR=$(TARGET_CROSS)ar \
  71   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  72   LD=$(TARGET_CROSS)ld \
  73   NM=$(TARGET_CROSS)nm \
  74   CC="$(TARGET_CC)" \
  75   GCC="$(TARGET_CC)" \
  76   CXX=$(TARGET_CROSS)g++ \
  77   RANLIB=$(TARGET_CROSS)ranlib \
  78   STRIP=$(TARGET_CROSS)strip
  79
  80 # strip an entire directory
  81 RSTRIP:= \
  82   STRIP="$(STRIP)" \
  83   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  84   $(SCRIPT_DIR)/rstrip.sh
  85
  86 # where to build (and put) .ipk packages
  87 IPKG:= \
  88   IPKG_TMP=$(BUILD_DIR)/tmp \
  89   IPKG_INSTROOT=$(TARGET_DIR) \
  90   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
  91   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
  92   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
  93
  94 # invoke ipkg-build with some default options
  95 IPKG_BUILD:= \
  96   ipkg-build -c -o 0 -g 0
  97
  98 ifeq ($(CONFIG_ENABLE_LOCALE),true)
  99   DISABLE_NLS:=
 100 else
 101   DISABLE_NLS:=--disable-nls
 102 endif
 103
 104 ifneq ($(CONFIG_LARGEFILE),y)
 105   DISABLE_LARGEFILE= --disable-largefile
 106 endif
 107
 108 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 109   TAR_OPTIONS=-xvf
 110 else
 111   TAR_OPTIONS=-xf
 112 endif
 113
 114 all:
 115 FORCE: ;
 116 .PHONY: FORCE
 117 %: ;