rules.mk

   1 #
   2 # Copyright (C) 2006-2008 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 # $Id$
   8
   9 ifneq ($(__rules_inc),1)
  10 __rules_inc=1
  11
  12 ifeq ($(DUMP),)
  13   -include $(TOPDIR)/.config
  14 endif
  15 include $(TOPDIR)/include/debug.mk
  16 include $(TOPDIR)/include/verbose.mk
  17
  18 TMP_DIR:=$(TOPDIR)/tmp
  19
  20 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  21
  22 define qstrip
  23 $(strip $(subst ",,$(1)))
  24 endef
  25 #"))
  26
  27 empty:=
  28 space:= $(empty) $(empty)
  29 merge=$(subst $(space),,$(1))
  30 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  31 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  32
  33 _SINGLE=export MAKEFLAGS=$(space);
  34 ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
  35 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  36 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  37 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  38 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  39 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  40
  41 OPTIMIZE_FOR_CPU=$(ARCH)
  42
  43 ifeq ($(ARCH),powerpc)
  44   FPIC:=-fPIC
  45 else
  46   FPIC:=-fpic
  47 endif
  48
  49 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  50 BIN_DIR:=$(TOPDIR)/bin
  51 INCLUDE_DIR:=$(TOPDIR)/include
  52 SCRIPT_DIR:=$(TOPDIR)/scripts
  53 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  54 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  55 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  56 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
  57 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
  58 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  59 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
  60 PACKAGE_DIR:=$(BIN_DIR)/packages/$(ARCH)
  61 STAMP_DIR:=$(BUILD_DIR)/stamp
  62 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  63 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
  64 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  65
  66 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
  67 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
  68 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  69 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  70
  71 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  72   -include $(TOOLCHAIN_DIR)/info.mk
  73   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
  74   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  75   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
  76   TARGET_CFLAGS+= -fhonour-copts
  77 endif
  78
  79 ifeq ($(CONFIG_SOFT_FLOAT),y)
  80 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  81 TARGET_CFLAGS+=-msoft-float
  82 else
  83 SOFT_FLOAT_CONFIG_OPTION:=
  84 endif
  85
  86 export PATH:=$(TARGET_PATH)
  87 export STAGING_DIR
  88 export GCC_HONOUR_COPTS:=0
  89
  90 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  91
  92 export PKG_CONFIG
  93
  94 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
  95
  96 HOSTCC:=gcc
  97 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
  98 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
  99
 100 TARGET_CC:=$(TARGET_CROSS)gcc
 101 TARGET_CXX:=$(TARGET_CROSS)g++
 102 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 103 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 104 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 105 CP:=cp -fpR
 106
 107 INSTALL_BIN:=install -m0755
 108 INSTALL_DIR:=install -d -m0755
 109 INSTALL_DATA:=install -m0644
 110 INSTALL_CONF:=install -m0600
 111
 112 ifneq ($(CONFIG_CCACHE),)
 113   # FIXME: move this variable to a better location
 114   export CCACHE_DIR=$(STAGING_DIR)/ccache
 115   TARGET_CC:= ccache $(TARGET_CC)
 116 endif
 117
 118 TARGET_CONFIGURE_OPTS:= \
 119   AR=$(TARGET_CROSS)ar \
 120   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 121   LD=$(TARGET_CROSS)ld \
 122   NM=$(TARGET_CROSS)nm \
 123   CC="$(TARGET_CC)" \
 124   GCC="$(TARGET_CC)" \
 125   CXX="$(TARGET_CXX)" \
 126   RANLIB=$(TARGET_CROSS)ranlib \
 127   STRIP=$(TARGET_CROSS)strip \
 128   OBJCOPY=$(TARGET_CROSS)objcopy \
 129   OBJDUMP=$(TARGET_CROSS)objdump \
 130   SIZE=$(TARGET_CROSS)size
 131
 132 # strip an entire directory
 133 ifneq ($(CONFIG_NO_STRIP),)
 134   RSTRIP:=:
 135 else
 136   RSTRIP:= \
 137     NM="$(TARGET_CROSS)nm" \
 138     STRIP="$(STRIP)" \
 139     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 140     $(SCRIPT_DIR)/rstrip.sh
 141 endif
 142
 143 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 144   DISABLE_NLS:=
 145 else
 146   DISABLE_NLS:=--disable-nls
 147 endif
 148
 149 ifneq ($(CONFIG_LARGEFILE),y)
 150   DISABLE_LARGEFILE= --disable-largefile
 151 endif
 152
 153 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 154   TAR_OPTIONS:=-xvf -
 155 else
 156   TAR_OPTIONS:=-xf -
 157 endif
 158
 159 define shvar
 160 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 161 endef
 162
 163 define shexport
 164 $(call shvar,$(1))=$$(call $(1))
 165 export $(call shvar,$(1))
 166 endef
 167
 168 # file extension
 169 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 170
 171 all:
 172 FORCE: ;
 173 .PHONY: FORCE
 174
 175 endif #__rules_inc