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rules.mk
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rules.mk
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#
# Copyright (C) 2006-2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# $Id: rules.mk 13893 2009-01-06 15:57:00Z nbd $
ifneq ($(__rules_inc),1)
__rules_inc=1
ifeq ($(DUMP),)
-include $(TOPDIR)/.config
endif
include $(TOPDIR)/include/ubnt.mk
include $(TOPDIR)/include/debug.mk
include $(TOPDIR)/include/verbose.mk
TMP_DIR:=$(TOPDIR)/tmp
export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
define qstrip
$(strip $(subst ",,$(1)))
endef
#"))
empty:=
space:= $(empty) $(empty)
merge=$(subst $(space),,$(1))
confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
_SINGLE=export MAKEFLAGS=$(space);
ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
OPTIMIZE_FOR_CPU=$(ARCH)
ifeq ($(ARCH),powerpc)
FPIC:=-fPIC
else
FPIC:=-fpic
endif
DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
BIN_DIR:=$(TOPDIR)/bin
INCLUDE_DIR:=$(TOPDIR)/include
SCRIPT_DIR:=$(TOPDIR)/scripts
BUILD_DIR_BASE:=$(TOPDIR)/build_dir
BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
PACKAGE_DIR:=$(BIN_DIR)/packages/$(ARCH)
STAMP_DIR:=$(BUILD_DIR)/stamp
STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
-include $(TOOLCHAIN_DIR)/info.mk
REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
TARGET_CFLAGS+= -fhonour-copts
endif
ifeq ($(CONFIG_SOFT_FLOAT),y)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
TARGET_CFLAGS+=-msoft-float
else
SOFT_FLOAT_CONFIG_OPTION:=
endif
export PATH:=$(TARGET_PATH)
export STAGING_DIR
export GCC_HONOUR_COPTS:=0
PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
export PKG_CONFIG
LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
HOSTCC:=gcc
HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
TARGET_CC:=$(TARGET_CROSS)gcc
TARGET_CXX:=$(TARGET_CROSS)g++
STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
CP:=cp -fpR
INSTALL_BIN:=install -m0755
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600
ifneq ($(CONFIG_CCACHE),)
# FIXME: move this variable to a better location
export CCACHE_DIR=$(STAGING_DIR)/ccache
TARGET_CC:= ccache $(TARGET_CC)
endif
TARGET_CONFIGURE_OPTS:= \
AR=$(TARGET_CROSS)ar \
AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
LD=$(TARGET_CROSS)ld \
NM=$(TARGET_CROSS)nm \
CC="$(TARGET_CC)" \
GCC="$(TARGET_CC)" \
CXX="$(TARGET_CXX)" \
RANLIB=$(TARGET_CROSS)ranlib \
STRIP=$(TARGET_CROSS)strip \
OBJCOPY=$(TARGET_CROSS)objcopy \
OBJDUMP=$(TARGET_CROSS)objdump \
SIZE=$(TARGET_CROSS)size
# strip an entire directory
ifneq ($(CONFIG_NO_STRIP),)
RSTRIP:=:
else
RSTRIP:= \
NM="$(TARGET_CROSS)nm" \
STRIP="$(STRIP)" \
STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
$(SCRIPT_DIR)/rstrip.sh
endif
ifeq ($(CONFIG_ENABLE_LOCALE),true)
DISABLE_NLS:=
else
DISABLE_NLS:=--disable-nls
endif
ifneq ($(CONFIG_LARGEFILE),y)
DISABLE_LARGEFILE= --disable-largefile
endif
ifeq ($(CONFIG_TAR_VERBOSITY),y)
TAR_OPTIONS:=-xvf -
else
TAR_OPTIONS:=-xf -
endif
define shvar
V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
endef
define shexport
$(call shvar,$(1))=$$(call $(1))
export $(call shvar,$(1))
endef
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
all:
FORCE: ;
.PHONY: FORCE
print-%:
@echo "Variable: $(subst print-,,$@)"
@echo "Origin: $(origin $(subst print-,,$@))"
@echo -n "Value: " ; if [ "$(origin $(subst print-,,$@))" != "undefined" ] ; then echo $($(subst print-,,$@)) ; else echo "undefined" ; fi
endif #__rules_inc