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 -include $(TOPDIR)/.config
   9 include $(TOPDIR)/include/verbose.mk
  10
  11 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  12
  13 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  14 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  15 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  16 #"))"))")) # fix vim's broken syntax highlighting
  17
  18 OPTIMIZE_FOR_CPU:=$(ARCH)
  19
  20 # DIRECTORIES #
  21
  22 DL_DIR:=$(TOPDIR)/dl
  23 INCLUDE_DIR:=$(TOPDIR)/include
  24 SCRIPT_DIR:=$(TOPDIR)/scripts
  25 TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
  26 TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  27 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  28 BIN_DIR:=$(TOPDIR)/bin
  29 PACKAGE_DIR:=$(BIN_DIR)/packages
  30 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  31 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  32 TMP_DIR:=$(TOPDIR)/tmp
  33 STAMP_DIR:=$(BUILD_DIR)/stamp
  34 TARGET_DIR:=$(BUILD_DIR)/root
  35 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  36
  37 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  38   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  39   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  40   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  41 endif
  42
  43 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  44
  45 TARGET_PATH:=$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  46 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  47
  48 export PATH:=$(TARGET_PATH)
  49
  50 LINUX_DIR:=$(BUILD_DIR)/linux
  51 LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
  52
  53 # APPLICATIONS #
  54 HOSTCC:=gcc
  55 TARGET_CC:=$(TARGET_CROSS)gcc
  56 STRIP:=$(STAGING_DIR)/bin/sstrip
  57 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  58 SED:=$(STAGING_DIR)/bin/sed -i -e
  59 CP:=cp -fpR
  60
  61 INSTALL_BIN:=install -m0755
  62 INSTALL_DIR:=install -d -m0755
  63 INSTALL_DATA:=install -m0644
  64 INSTALL_CONF:=install -m0600
  65
  66 ifneq ($(CONFIG_CCACHE),)
  67   # FIXME: move this variable to a better location
  68   export CCACHE_DIR=$(STAGING_DIR)/ccache
  69   TARGET_CC:= ccache $(TARGET_CC)
  70 endif
  71
  72 EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
  73 EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
  74 EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
  75
  76 TARGET_CONFIGURE_OPTS:= \
  77   AR=$(TARGET_CROSS)ar \
  78   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  79   LD=$(TARGET_CROSS)ld \
  80   NM=$(TARGET_CROSS)nm \
  81   CC="$(TARGET_CC)" \
  82   GCC="$(TARGET_CC)" \
  83   CXX=$(TARGET_CROSS)g++ \
  84   RANLIB=$(TARGET_CROSS)ranlib \
  85   STRIP=$(TARGET_CROSS)strip \
  86   OBJCOPY=$(TARGET_CROSS)objcopy \
  87         OBJDUMP=$(TARGET_CROSS)objdump
  88
  89 # strip an entire directory
  90 RSTRIP:= \
  91   NM="$(TARGET_CROSS)nm" \
  92   STRIP="$(STRIP)" \
  93   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  94   $(SCRIPT_DIR)/rstrip.sh
  95
  96 # where to build (and put) .ipk packages
  97 IPKG:= \
  98   PATH="$(STAGING_DIR)/bin:$(PATH)" \
  99   IPKG_TMP=$(BUILD_DIR)/tmp \
 100   IPKG_INSTROOT=$(TARGET_DIR) \
 101   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
 102   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
 103   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
 104
 105 # invoke ipkg-build with some default options
 106 IPKG_BUILD:= \
 107   ipkg-build -c -o 0 -g 0
 108
 109 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 110   DISABLE_NLS:=
 111 else
 112   DISABLE_NLS:=--disable-nls
 113 endif
 114
 115 ifneq ($(CONFIG_LARGEFILE),y)
 116   DISABLE_LARGEFILE= --disable-largefile
 117 endif
 118
 119 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 120   TAR_OPTIONS:=-xvf -
 121 else
 122   TAR_OPTIONS:=-xf -
 123 endif
 124
 125 define shvar
 126 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 127 endef
 128
 129 define shexport
 130 $(call shvar,$(1))=$$(call $(1))
 131 export $(call shvar,$(1))
 132 endef
 133
 134 # Default targets for subdirectory calls
 135 # Parameters:
 136 #       1: dependencies for the prepare step
 137 define default_subtargets
 138   %-download: FORCE
 139         $$(MAKE) -C $$(patsubst %-download,%,$$@) download
 140
 141   %-prepare: $(1) FORCE
 142         $$(MAKE) -C $$(patsubst %-prepare,%,$$@) prepare
 143
 144   %-compile: %-prepare
 145         $$(MAKE) -C $$(patsubst %-compile,%,$$@) compile
 146
 147   %-install:
 148         $$(MAKE) -C $$(patsubst %-install,%,$$@) install
 149
 150   %-clean: FORCE
 151         @$$(MAKE) -C $$(patsubst %-clean,%,$$@) clean
 152 endef
 153
 154
 155 all:
 156 FORCE: ;
 157 .PHONY: FORCE
 158 %: ;