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
   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 qstrip=$(strip $(subst ",,$(1)))
  22 #"))
  23
  24 empty:=
  25 space:= $(empty) $(empty)
  26 merge=$(subst $(space),,$(1))
  27 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  28 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  29
  30 _SINGLE=export MAKEFLAGS=$(space);
  31 CFLAGS:=
  32 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  33 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  34 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  35 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  36 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  37 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  38 LIBC:=$(call qstrip,$(CONFIG_LIBC))
  39 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  40 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  41
  42 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  43
  44 ifeq ($(ARCH),powerpc)
  45   FPIC:=-fPIC
  46 else
  47   FPIC:=-fpic
  48 endif
  49
  50 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  51 BIN_DIR:=$(TOPDIR)/bin
  52 INCLUDE_DIR:=$(TOPDIR)/include
  53 SCRIPT_DIR:=$(TOPDIR)/scripts
  54 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  55 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  56 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  57 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
  58 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
  59 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  60 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
  61 PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
  62 STAMP_DIR:=$(BUILD_DIR)/stamp
  63 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  64 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
  65 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
  66 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
  67 BUILD_LOG_DIR:=$(TOPDIR)/logs
  68
  69 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
  70 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_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 ifndef DUMP
  77 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  78   -include $(TOOLCHAIN_DIR)/info.mk
  79   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  80   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  81   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
  82   TARGET_CFLAGS+= -fhonour-copts
  83 endif
  84 endif
  85
  86 ifeq ($(CONFIG_SOFT_FLOAT),y)
  87   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  88   TARGET_CFLAGS+= -msoft-float
  89 else
  90   SOFT_FLOAT_CONFIG_OPTION:=
  91 endif
  92
  93 export PATH:=$(TARGET_PATH)
  94 export STAGING_DIR
  95 export GCC_HONOUR_COPTS:=0
  96
  97 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  98
  99 export PKG_CONFIG
 100
 101 HOSTCC:=gcc
 102 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 103 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 104
 105 TARGET_CC:=$(TARGET_CROSS)gcc
 106 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 107 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 108 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 109 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 110 CP:=cp -fpR
 111
 112 INSTALL_BIN:=install -m0755
 113 INSTALL_DIR:=install -d -m0755
 114 INSTALL_DATA:=install -m0644
 115 INSTALL_CONF:=install -m0600
 116
 117 ifneq ($(CONFIG_CCACHE),)
 118   # FIXME: move this variable to a better location
 119   export CCACHE_DIR=$(STAGING_DIR)/ccache
 120   TARGET_CC:= ccache $(TARGET_CC)
 121 endif
 122
 123 TARGET_CONFIGURE_OPTS:= \
 124   AR=$(TARGET_CROSS)ar \
 125   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 126   LD=$(TARGET_CROSS)ld \
 127   NM=$(TARGET_CROSS)nm \
 128   CC="$(TARGET_CC)" \
 129   GCC="$(TARGET_CC)" \
 130   CXX="$(TARGET_CXX)" \
 131   RANLIB=$(TARGET_CROSS)ranlib \
 132   STRIP=$(TARGET_CROSS)strip \
 133   OBJCOPY=$(TARGET_CROSS)objcopy \
 134   OBJDUMP=$(TARGET_CROSS)objdump \
 135   SIZE=$(TARGET_CROSS)size
 136
 137 # strip an entire directory
 138 ifneq ($(CONFIG_NO_STRIP),)
 139   RSTRIP:=:
 140 else
 141   RSTRIP:= \
 142     NM="$(TARGET_CROSS)nm" \
 143     STRIP="$(STRIP)" \
 144     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 145     $(SCRIPT_DIR)/rstrip.sh
 146 endif
 147
 148 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 149   DISABLE_NLS:=
 150 else
 151   DISABLE_NLS:=--disable-nls
 152 endif
 153
 154 ifneq ($(CONFIG_LARGEFILE),y)
 155   DISABLE_LARGEFILE= --disable-largefile
 156 endif
 157
 158 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 159   TAR_OPTIONS:=-xvf -
 160 else
 161   TAR_OPTIONS:=-xf -
 162 endif
 163
 164 define shvar
 165 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 166 endef
 167
 168 define shexport
 169 $(call shvar,$(1))=$$(call $(1))
 170 export $(call shvar,$(1))
 171 endef
 172
 173 # file extension
 174 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 175
 176 all:
 177 FORCE: ;
 178 .PHONY: FORCE
 179
 180 endif #__rules_inc