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 ifeq ($(DUMP),)
   9   -include $(TOPDIR)/.config
  10 endif
  11 include $(TOPDIR)/include/verbose.mk
  12
  13 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  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:=$(TOPDIR)/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/sbin:$(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 INSTALL_BIN:=install -m0755
  64 INSTALL_DIR:=install -d -m0755
  65 INSTALL_DATA:=install -m0644
  66 INSTALL_CONF:=install -m0600
  67
  68 ifneq ($(CONFIG_CCACHE),)
  69   # FIXME: move this variable to a better location
  70   export CCACHE_DIR=$(STAGING_DIR)/ccache
  71   TARGET_CC:= ccache $(TARGET_CC)
  72 endif
  73
  74 EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  75 EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
  76 EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  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   OBJCOPY=$(TARGET_CROSS)objcopy \
  89         OBJDUMP=$(TARGET_CROSS)objdump \
  90         SIZE=$(TARGET_CROSS)size
  91
  92 # strip an entire directory
  93 RSTRIP:= \
  94   NM="$(TARGET_CROSS)nm" \
  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   PATH="$(STAGING_DIR)/bin:$(PATH)" \
 102   IPKG_TMP=$(BUILD_DIR)/tmp \
 103   IPKG_INSTROOT=$(TARGET_DIR) \
 104   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 105   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
 106   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 107
 108 # invoke ipkg-build with some default options
 109 IPKG_BUILD:= \
 110   ipkg-build -c -o 0 -g 0
 111
 112 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 113   DISABLE_NLS:=
 114 else
 115   DISABLE_NLS:=--disable-nls
 116 endif
 117
 118 ifneq ($(CONFIG_LARGEFILE),y)
 119   DISABLE_LARGEFILE= --disable-largefile
 120 endif
 121
 122 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 123   TAR_OPTIONS:=-xvf -
 124 else
 125   TAR_OPTIONS:=-xf -
 126 endif
 127
 128 define shvar
 129 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 130 endef
 131
 132 define shexport
 133 $(call shvar,$(1))=$$(call $(1))
 134 export $(call shvar,$(1))
 135 endef
 136
 137 all:
 138 FORCE: ;
 139 .PHONY: FORCE
 140 %: ;