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 export BASH=$(shell which bash)
  13
  14 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  15 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  16 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  17 #"))"))")) # fix vim's broken syntax highlighting
  18
  19 OPTIMIZE_FOR_CPU:=$(ARCH)
  20
  21 # DIRECTORIES #
  22
  23 DL_DIR:=$(TOPDIR)/dl
  24 INCLUDE_DIR:=$(TOPDIR)/include
  25 SCRIPT_DIR:=$(TOPDIR)/scripts
  26 TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
  27 TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  28 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  29 BIN_DIR:=$(TOPDIR)/bin
  30 PACKAGE_DIR:=$(BIN_DIR)/packages
  31 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  32 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  33 TMP_DIR:=$(TOPDIR)/tmp
  34 STAMP_DIR:=$(BUILD_DIR)/stamp
  35 TARGET_DIR:=$(BUILD_DIR)/root
  36 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  37
  38 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  39   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  40   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  41   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  42 endif
  43
  44 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  45
  46 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  47 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  48
  49 export PATH:=$(TARGET_PATH)
  50
  51 LINUX_DIR:=$(BUILD_DIR)/linux
  52 LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
  53
  54 # APPLICATIONS #
  55 HOSTCC:=gcc
  56 TARGET_CC:=$(TARGET_CROSS)gcc
  57 STRIP:=$(STAGING_DIR)/bin/sstrip
  58 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  59 SED:=$(STAGING_DIR)/bin/sed -i -e
  60 CP:=cp -fpR
  61
  62 ifneq ($(CONFIG_CCACHE),)
  63   # FIXME: move this variable to a better location
  64   export CCACHE_DIR=$(STAGING_DIR)/ccache
  65   TARGET_CC:= ccache $(TARGET_CC)
  66 endif
  67
  68 TARGET_CONFIGURE_OPTS:= \
  69   AR=$(TARGET_CROSS)ar \
  70   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  71   LD=$(TARGET_CROSS)ld \
  72   NM=$(TARGET_CROSS)nm \
  73   CC="$(TARGET_CC)" \
  74   GCC="$(TARGET_CC)" \
  75   CXX=$(TARGET_CROSS)g++ \
  76   RANLIB=$(TARGET_CROSS)ranlib \
  77   STRIP=$(TARGET_CROSS)strip
  78
  79 # strip an entire directory
  80 RSTRIP:= \
  81   STRIP="$(STRIP)" \
  82   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  83   $(SCRIPT_DIR)/rstrip.sh
  84
  85 # where to build (and put) .ipk packages
  86 IPKG:= \
  87   PATH="$(STAGING_DIR)/bin:$(PATH)" \
  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 define shvar
 115 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 116 endef
 117
 118 define shexport
 119 $(call shvar,$(1))=$$(call $(1))
 120 export $(call shvar,$(1))
 121 endef
 122
 123
 124 all:
 125 FORCE: ;
 126 .PHONY: FORCE
 127 %: ;