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/$(BOARD)_$(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 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
  67 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
  68 BUILD_LOG_DIR:=$(TOPDIR)/logs
  69
  70 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
  71 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
  72 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
  73 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  74 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  75 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
  76
  77 ifndef DUMP
  78 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  79   -include $(TOOLCHAIN_DIR)/info.mk
  80   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  81   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  82   TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
  83   TARGET_CFLAGS+= -fhonour-copts
  84 endif
  85 endif
  86
  87 ifeq ($(CONFIG_SOFT_FLOAT),y)
  88   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
  89   TARGET_CFLAGS+= -msoft-float
  90 else
  91   SOFT_FLOAT_CONFIG_OPTION:=
  92 endif
  93
  94 export PATH:=$(TARGET_PATH)
  95 export STAGING_DIR
  96 export GCC_HONOUR_COPTS:=0
  97
  98 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
  99
 100 export PKG_CONFIG
 101
 102 HOSTCC:=gcc
 103 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 104 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 105
 106 TARGET_CC:=$(TARGET_CROSS)gcc
 107 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 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   STRIP:=:
 141 else
 142   ifneq ($(CONFIG_USE_STRIP),)
 143     STRIP:=$(TARGET_CROSS)strip
 144   else
 145     ifneq ($(CONFIG_USE_SSTRIP),)
 146       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 147     endif
 148   endif
 149   RSTRIP:= \
 150     NM="$(TARGET_CROSS)nm" \
 151     STRIP="$(STRIP)" \
 152     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
 153     $(SCRIPT_DIR)/rstrip.sh
 154 endif
 155
 156 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 157   DISABLE_NLS:=--enable-nls
 158 else
 159   DISABLE_NLS:=--disable-nls
 160 endif
 161
 162 ifeq ($(CONFIG_IPV6),y)
 163   DISABLE_IPV6:=
 164 else
 165   DISABLE_IPV6:=--disable-ipv6
 166 endif
 167
 168 ifeq ($(CONFIG_LARGEFILE),y)
 169   DISABLE_LARGEFILE:=
 170 else
 171   DISABLE_LARGEFILE:=--disable-largefile
 172 endif
 173
 174 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 175   TAR_OPTIONS:=-xvf -
 176 else
 177   TAR_OPTIONS:=-xf -
 178 endif
 179
 180 define shvar
 181 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 182 endef
 183
 184 define shexport
 185 $(call shvar,$(1))=$$(call $(1))
 186 export $(call shvar,$(1))
 187 endef
 188
 189 # file extension
 190 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 191
 192 all:
 193 FORCE: ;
 194 .PHONY: FORCE
 195
 196 endif #__rules_inc