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 BUILD_DIR_SUFFIX:=$(strip $(subst ",, $(CONFIG_BUILD_SUFFIX)))
  18 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  19 #"))"))")) # fix vim's broken syntax highlighting
  20
  21 OPTIMIZE_FOR_CPU:=$(ARCH)
  22
  23 # DIRECTORIES #
  24
  25 DL_DIR:=$(TOPDIR)/dl
  26 INCLUDE_DIR:=$(TOPDIR)/include
  27 SCRIPT_DIR:=$(TOPDIR)/scripts
  28 TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
  29 TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  30 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  31 BIN_DIR:=$(TOPDIR)/bin
  32 PACKAGE_DIR:=$(BIN_DIR)/packages
  33 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  34 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)$(BUILD_DIR_SUFFIX)
  35 TMP_DIR:=$(TOPDIR)/tmp
  36 STAMP_DIR:=$(BUILD_DIR)/stamp
  37 TARGET_DIR:=$(BUILD_DIR)/root
  38 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  39
  40 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  41   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  42   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  43   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  44 endif
  45
  46 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  47
  48 TARGET_PATH:=$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  49 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  50
  51 export PATH:=$(TARGET_PATH)
  52
  53 LINUX_DIR:=$(BUILD_DIR)/linux
  54 LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
  55
  56 # APPLICATIONS #
  57 HOSTCC:=gcc
  58 TARGET_CC:=$(TARGET_CROSS)gcc
  59 STRIP:=$(STAGING_DIR)/bin/sstrip
  60 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  61 SED:=$(STAGING_DIR)/bin/sed -i -e
  62 CP:=cp -fpR
  63
  64 INSTALL_BIN:=install -m0755
  65 INSTALL_DIR:=install -d -m0755
  66 INSTALL_DATA:=install -m0644
  67 INSTALL_CONF:=install -m0600
  68
  69 ifneq ($(CONFIG_CCACHE),)
  70   # FIXME: move this variable to a better location
  71   export CCACHE_DIR=$(STAGING_DIR)/ccache
  72   TARGET_CC:= ccache $(TARGET_CC)
  73 endif
  74
  75 EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  76 EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
  77 EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  78
  79 TARGET_CONFIGURE_OPTS:= \
  80   AR=$(TARGET_CROSS)ar \
  81   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  82   LD=$(TARGET_CROSS)ld \
  83   NM=$(TARGET_CROSS)nm \
  84   CC="$(TARGET_CC)" \
  85   GCC="$(TARGET_CC)" \
  86   CXX=$(TARGET_CROSS)g++ \
  87   RANLIB=$(TARGET_CROSS)ranlib \
  88   STRIP=$(TARGET_CROSS)strip \
  89   OBJCOPY=$(TARGET_CROSS)objcopy \
  90         OBJDUMP=$(TARGET_CROSS)objdump \
  91         SIZE=$(TARGET_CROSS)size
  92
  93 # strip an entire directory
  94 RSTRIP:= \
  95   NM="$(TARGET_CROSS)nm" \
  96   STRIP="$(STRIP)" \
  97   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  98   $(SCRIPT_DIR)/rstrip.sh
  99
 100 # where to build (and put) .ipk packages
 101 IPKG:= \
 102   PATH="$(STAGING_DIR)/bin:$(PATH)" \
 103   IPKG_TMP=$(BUILD_DIR)/tmp \
 104   IPKG_INSTROOT=$(TARGET_DIR) \
 105   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 106   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
 107   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 108
 109 # invoke ipkg-build with some default options
 110 IPKG_BUILD:= \
 111   ipkg-build -c -o 0 -g 0
 112
 113 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 114   DISABLE_NLS:=
 115 else
 116   DISABLE_NLS:=--disable-nls
 117 endif
 118
 119 ifneq ($(CONFIG_LARGEFILE),y)
 120   DISABLE_LARGEFILE= --disable-largefile
 121 endif
 122
 123 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 124   TAR_OPTIONS:=-xvf -
 125 else
 126   TAR_OPTIONS:=-xf -
 127 endif
 128
 129 define shvar
 130 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 131 endef
 132
 133 define shexport
 134 $(call shvar,$(1))=$$(call $(1))
 135 export $(call shvar,$(1))
 136 endef
 137
 138 all:
 139 FORCE: ;
 140 .PHONY: FORCE
 141 %: ;