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 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  38 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  39 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  40 LIBC:=$(call qstrip,$(CONFIG_LIBC))
  41 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  42 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  43
  44 OPTIMIZE_FOR_CPU=$(shell echo $(ARCH) | sed -e 's/i386/i486/')
  45
  46 ifeq ($(ARCH),powerpc)
  47   FPIC:=-fPIC
  48 else
  49   FPIC:=-fpic
  50 endif
  51
  52 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  53 BIN_DIR:=$(TOPDIR)/bin
  54 INCLUDE_DIR:=$(TOPDIR)/include
  55 SCRIPT_DIR:=$(TOPDIR)/scripts
  56 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  57 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  58 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  59 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
  60 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
  61 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  62 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
  63 PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
  64 STAMP_DIR:=$(BUILD_DIR)/stamp
  65 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  66 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
  67 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
  68 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
  69
  70 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
  71 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
  72 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  73 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  74 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
  75
  76 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  77   -include $(TOOLCHAIN_DIR)/info.mk
  78   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  79   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  80   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
  81   TARGET_CFLAGS+= -fhonour-copts
  82 endif
  83
  84 ifeq ($(CONFIG_SOFT_FLOAT),y)
  85   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  86   TARGET_CFLAGS+= -msoft-float
  87 else
  88   SOFT_FLOAT_CONFIG_OPTION:=
  89 endif
  90
  91 export PATH:=$(TARGET_PATH)
  92 export STAGING_DIR
  93 export GCC_HONOUR_COPTS:=0
  94
  95 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  96
  97 export PKG_CONFIG
  98
  99 HOSTCC:=gcc
 100 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 101 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 102
 103 TARGET_CC:=$(TARGET_CROSS)gcc
 104 TARGET_CXX:=$(TARGET_CROSS)g++
 105 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 106 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 107 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 108 CP:=cp -fpR
 109
 110 INSTALL_BIN:=install -m0755
 111 INSTALL_DIR:=install -d -m0755
 112 INSTALL_DATA:=install -m0644
 113 INSTALL_CONF:=install -m0600
 114
 115 ifneq ($(CONFIG_CCACHE),)
 116   # FIXME: move this variable to a better location
 117   export CCACHE_DIR=$(STAGING_DIR)/ccache
 118   TARGET_CC:= ccache $(TARGET_CC)
 119 endif
 120
 121 TARGET_CONFIGURE_OPTS:= \
 122   AR=$(TARGET_CROSS)ar \
 123   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 124   LD=$(TARGET_CROSS)ld \
 125   NM=$(TARGET_CROSS)nm \
 126   CC="$(TARGET_CC)" \
 127   GCC="$(TARGET_CC)" \
 128   CXX="$(TARGET_CXX)" \
 129   RANLIB=$(TARGET_CROSS)ranlib \
 130   STRIP=$(TARGET_CROSS)strip \
 131   OBJCOPY=$(TARGET_CROSS)objcopy \
 132   OBJDUMP=$(TARGET_CROSS)objdump \
 133   SIZE=$(TARGET_CROSS)size
 134
 135 # strip an entire directory
 136 ifneq ($(CONFIG_NO_STRIP),)
 137   RSTRIP:=:
 138 else
 139   RSTRIP:= \
 140     NM="$(TARGET_CROSS)nm" \
 141     STRIP="$(STRIP)" \
 142     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 143     $(SCRIPT_DIR)/rstrip.sh
 144 endif
 145
 146 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 147   DISABLE_NLS:=
 148 else
 149   DISABLE_NLS:=--disable-nls
 150 endif
 151
 152 ifneq ($(CONFIG_LARGEFILE),y)
 153   DISABLE_LARGEFILE= --disable-largefile
 154 endif
 155
 156 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 157   TAR_OPTIONS:=-xvf -
 158 else
 159   TAR_OPTIONS:=-xf -
 160 endif
 161
 162 define shvar
 163 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 164 endef
 165
 166 define shexport
 167 $(call shvar,$(1))=$$(call $(1))
 168 export $(call shvar,$(1))
 169 endef
 170
 171 # file extension
 172 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 173
 174 all:
 175 FORCE: ;
 176 .PHONY: FORCE
 177
 178 endif #__rules_inc