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 $(TOPDIR)/include/verbose.mk
  12
  13 TMP_DIR:=$(TOPDIR)/tmp
  14
  15 include $(TOPDIR)/include/target.mk
  16
  17 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  18
  19 define qstrip
  20 $(strip $(subst ",,$(1)))
  21 endef
  22 #"))
  23
  24 ARCH:=$(call qstrip,$(CONFIG_ARCH))
  25 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  26 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  27 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  28
  29 OPTIMIZE_FOR_CPU:=$(ARCH)
  30
  31 DL_DIR:=$(TOPDIR)/dl
  32 BIN_DIR:=$(TOPDIR)/bin
  33 INCLUDE_DIR:=$(TOPDIR)/include
  34 SCRIPT_DIR:=$(TOPDIR)/scripts
  35 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  36 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  37 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  38 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)
  39 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
  40 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  41 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
  42 PACKAGE_DIR:=$(BIN_DIR)/packages/$(TARGET)
  43 STAMP_DIR:=$(BUILD_DIR)/stamp
  44 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  45 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
  46 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  47
  48 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  49   -include $(TOOLCHAIN_DIR)/info.mk
  50   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  51   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  52   TARGET_CROSS?=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  53 endif
  54
  55 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/usr/bin:$(PATH)
  56 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
  57
  58 export PATH:=$(TARGET_PATH)
  59
  60 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
  61
  62 HOSTCC:=gcc
  63 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
  64 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
  65
  66 TARGET_CC:=$(TARGET_CROSS)gcc
  67 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
  68 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  69 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
  70 CP:=cp -fpR
  71
  72 INSTALL_BIN:=install -m0755
  73 INSTALL_DIR:=install -d -m0755
  74 INSTALL_DATA:=install -m0644
  75 INSTALL_CONF:=install -m0600
  76
  77 ifneq ($(CONFIG_CCACHE),)
  78   # FIXME: move this variable to a better location
  79   export CCACHE_DIR=$(STAGING_DIR)/ccache
  80   TARGET_CC:= ccache $(TARGET_CC)
  81 endif
  82
  83 EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  84 EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
  85 EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  86
  87 TARGET_CONFIGURE_OPTS:= \
  88   AR=$(TARGET_CROSS)ar \
  89   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  90   LD=$(TARGET_CROSS)ld \
  91   NM=$(TARGET_CROSS)nm \
  92   CC="$(TARGET_CC)" \
  93   GCC="$(TARGET_CC)" \
  94   CXX=$(TARGET_CROSS)g++ \
  95   RANLIB=$(TARGET_CROSS)ranlib \
  96   STRIP=$(TARGET_CROSS)strip \
  97   OBJCOPY=$(TARGET_CROSS)objcopy \
  98         OBJDUMP=$(TARGET_CROSS)objdump \
  99         SIZE=$(TARGET_CROSS)size
 100
 101 # strip an entire directory
 102 RSTRIP:= \
 103   NM="$(TARGET_CROSS)nm" \
 104   STRIP="$(STRIP)" \
 105   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 106   $(SCRIPT_DIR)/rstrip.sh
 107
 108 # where to build (and put) .ipk packages
 109 IPKG:= \
 110   PATH="$(STAGING_DIR_HOST)/bin:$(PATH)" \
 111   IPKG_TMP=$(TMP_DIR)/ipkg \
 112   IPKG_INSTROOT=$(TARGET_DIR) \
 113   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 114   IPKG_OFFLINE_ROOT=$(TARGET_DIR) \
 115   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 116
 117 # invoke ipkg-build with some default options
 118 IPKG_BUILD:= \
 119   ipkg-build -c -o 0 -g 0
 120
 121 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 122   DISABLE_NLS:=
 123 else
 124   DISABLE_NLS:=--disable-nls
 125 endif
 126
 127 ifneq ($(CONFIG_LARGEFILE),y)
 128   DISABLE_LARGEFILE= --disable-largefile
 129 endif
 130
 131 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 132   TAR_OPTIONS:=-xvf -
 133 else
 134   TAR_OPTIONS:=-xf -
 135 endif
 136
 137 define shvar
 138 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 139 endef
 140
 141 define shexport
 142 $(call shvar,$(1))=$$(call $(1))
 143 export $(call shvar,$(1))
 144 endef
 145
 146 all:
 147 FORCE: ;
 148 .PHONY: FORCE