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