rules.mk

   1 #
   2 # Copyright (C) 2006-2007 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 ifneq ($(__rules_inc),1)
   9 __rules_inc=1
  10
  11 ifeq ($(DUMP),)
  12   -include $(TOPDIR)/.config
  13 endif
  14 include $(TOPDIR)/include/debug.mk
  15 include $(TOPDIR)/include/verbose.mk
  16
  17 TMP_DIR:=$(TOPDIR)/tmp
  18
  19 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  20
  21 define qstrip
  22 $(strip $(subst ",,$(1)))
  23 endef
  24 #"))
  25
  26 ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
  27 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  28 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  29 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  30 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  31 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  32
  33 OPTIMIZE_FOR_CPU=$(ARCH)
  34
  35 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  36 BIN_DIR:=$(TOPDIR)/bin
  37 INCLUDE_DIR:=$(TOPDIR)/include
  38 SCRIPT_DIR:=$(TOPDIR)/scripts
  39 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  40 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  41 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  42 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
  43 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
  44 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  45 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
  46 PACKAGE_DIR:=$(BIN_DIR)/packages/$(TARGET)
  47 STAMP_DIR:=$(BUILD_DIR)/stamp
  48 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  49 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
  50 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  51
  52 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  53   -include $(TOOLCHAIN_DIR)/info.mk
  54   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  55   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  56   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc-)
  57 endif
  58
  59 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/usr/bin:$(PATH)
  60 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
  61 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  62 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  63
  64 export PATH:=$(TARGET_PATH)
  65 export STAGING_DIR
  66 export GCC_HONOUR_COPTS:=0
  67
  68 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  69
  70 export PKG_CONFIG
  71
  72 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
  73
  74 HOSTCC:=gcc
  75 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
  76 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
  77
  78 TARGET_CC:=$(TARGET_CROSS)gcc
  79 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
  80 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  81 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
  82 CP:=cp -fpR
  83
  84 INSTALL_BIN:=install -m0755
  85 INSTALL_DIR:=install -d -m0755
  86 INSTALL_DATA:=install -m0644
  87 INSTALL_CONF:=install -m0600
  88
  89 ifneq ($(CONFIG_CCACHE),)
  90   # FIXME: move this variable to a better location
  91   export CCACHE_DIR=$(STAGING_DIR)/ccache
  92   TARGET_CC:= ccache $(TARGET_CC)
  93 endif
  94
  95 TARGET_CONFIGURE_OPTS:= \
  96   AR=$(TARGET_CROSS)ar \
  97   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  98   LD=$(TARGET_CROSS)ld \
  99   NM=$(TARGET_CROSS)nm \
 100   CC="$(TARGET_CC)" \
 101   GCC="$(TARGET_CC)" \
 102   CXX=$(TARGET_CROSS)g++ \
 103   RANLIB=$(TARGET_CROSS)ranlib \
 104   STRIP=$(TARGET_CROSS)strip \
 105   OBJCOPY=$(TARGET_CROSS)objcopy \
 106   OBJDUMP=$(TARGET_CROSS)objdump \
 107   SIZE=$(TARGET_CROSS)size
 108
 109 # strip an entire directory
 110 RSTRIP:= \
 111   NM="$(TARGET_CROSS)nm" \
 112   STRIP="$(STRIP)" \
 113   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 114   $(SCRIPT_DIR)/rstrip.sh
 115
 116 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 117   DISABLE_NLS:=
 118 else
 119   DISABLE_NLS:=--disable-nls
 120 endif
 121
 122 ifneq ($(CONFIG_LARGEFILE),y)
 123   DISABLE_LARGEFILE= --disable-largefile
 124 endif
 125
 126 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 127   TAR_OPTIONS:=-xvf -
 128 else
 129   TAR_OPTIONS:=-xf -
 130 endif
 131
 132 define shvar
 133 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 134 endef
 135
 136 define shexport
 137 $(call shvar,$(1))=$$(call $(1))
 138 export $(call shvar,$(1))
 139 endef
 140
 141 empty:=
 142 space:= $(empty) $(empty)
 143 merge=$(subst $(space),,$(1))
 144 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
 145
 146 # file extension
 147 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 148
 149 all:
 150 FORCE: ;
 151 .PHONY: FORCE
 152
 153 endif #__rules_inc