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