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openwrt/rules.mk
Jo-Philipp Wich 236c369a89 rules.mk: only select latest libgcc.a with wildcard match (#12798) 
SVN-Revision: 35144
2013-01-13 20:59:51 +00:00

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9.9 KiB
Makefile
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#
# Copyright (C) 2006-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
ifneq ($(__rules_inc),1)
__rules_inc=1
ifeq ($(DUMP),)
-include $(TOPDIR)/.config
endif
include $(TOPDIR)/include/debug.mk
include $(TOPDIR)/include/verbose.mk
TMP_DIR:=$(TOPDIR)/tmp
GREP_OPTIONS=
export GREP_OPTIONS
qstrip=$(strip $(subst ",,$(1)))
#"))
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))
define sep
endef
_SINGLE=export MAKEFLAGS=$(space);
CFLAGS:=
ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
export SHELL:=/usr/bin/env bash
OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
ifeq ($(ARCH),powerpc)
FPIC:=-fPIC
else
FPIC:=-fpic
endif
HOST_FPIC:=-fPIC
ARCH_SUFFIX:=
GCC_ARCH:=
ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
endif
ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
ARCH_SUFFIX:=_r2
endif
ifdef CONFIG_HAS_SPE_FPU
TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
endif
DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
INCLUDE_DIR:=$(TOPDIR)/include
SCRIPT_DIR:=$(TOPDIR)/scripts
BUILD_DIR_BASE:=$(TOPDIR)/build_dir
BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
LIBC:=$(call qstrip,$(CONFIG_LIBC))
LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
PACKAGE_DIR:=$(BIN_DIR)/packages
else
ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
else
GNU_TARGET_NAME=$(shell gcc -dumpmachine)
endif
REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
PACKAGE_DIR:=$(BIN_DIR)/packages
endif
STAMP_DIR:=$(BUILD_DIR)/stamp
STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
BUILD_LOG_DIR:=$(TOPDIR)/logs
PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
TARGET_CXXFLAGS = $(TARGET_CFLAGS)
TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
else
LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
endif
LIBRPC=-lrpc
LIBRPC_DEPENDS=+librpc
ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
LIB_SUFFIX:=64
endif
ifndef DUMP
ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
-include $(TOOLCHAIN_DIR)/info.mk
export GCC_HONOUR_COPTS:=0
TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
else
ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
ifneq ($(TOOLCHAIN_BIN_DIRS),)
TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
endif
ifneq ($(TOOLCHAIN_INC_DIRS),)
TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
endif
ifneq ($(TOOLCHAIN_LIB_DIRS),)
TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
endif
TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
endif
endif
endif
TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
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 SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
export PKG_CONFIG
HOSTCC:=gcc
HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
TARGET_CC:=$(TARGET_CROSS)gcc
TARGET_AR:=$(TARGET_CROSS)ar
TARGET_RANLIB:=$(TARGET_CROSS)ranlib
TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
CP:=cp -fpR
LN:=ln -sf
INSTALL_BIN:=install -m0755
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600
TARGET_CC_NOCACHE:=$(TARGET_CC)
TARGET_CXX_NOCACHE:=$(TARGET_CXX)
HOSTCC_NOCACHE:=$(HOSTCC)
export TARGET_CC_NOCACHE
export TARGET_CXX_NOCACHE
export HOSTCC_NOCACHE
ifneq ($(CONFIG_CCACHE),)
TARGET_CC:= ccache_cc
TARGET_CXX:= ccache_cxx
HOSTCC:= ccache $(HOSTCC)
endif
TARGET_CONFIGURE_OPTS = \
AR=$(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:=:
STRIP:=:
else
ifneq ($(CONFIG_USE_STRIP),)
STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
else
ifneq ($(CONFIG_USE_SSTRIP),)
STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
endif
endif
RSTRIP:= \
export CROSS="$(TARGET_CROSS)" \
$(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
$(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
NM="$(TARGET_CROSS)nm" \
STRIP="$(STRIP)" \
STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
$(SCRIPT_DIR)/rstrip.sh
endif
ifeq ($(CONFIG_ENABLE_LOCALE),true)
DISABLE_NLS:=--enable-nls
else
DISABLE_NLS:=--disable-nls
endif
ifeq ($(CONFIG_IPV6),y)
DISABLE_IPV6:=
else
DISABLE_IPV6:=--disable-ipv6
endif
ifeq ($(CONFIG_TAR_VERBOSITY),y)
TAR_OPTIONS:=-xvf -
else
TAR_OPTIONS:=-xf -
endif
ifeq ($(CONFIG_BUILD_LOG),y)
BUILD_LOG:=1
endif
define shvar
V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
endef
define shexport
$(call shvar,$(1))=$$(call $(1))
export $(call shvar,$(1))
endef
define include_mk
$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
endef
# Execute commands under flock
# $(1) => The shell expression.
# $(2) => The lock name. If not given, the global lock will be used.
define locked
SHELL= \
$(STAGING_DIR_HOST)/bin/flock \
$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
-c '$(subst ','\'',$(1))'
endef
# Recursively copy paths into another directory, purge dangling
# symlinks before.
# $(1) => File glob expression
# $(2) => Destination directory
define file_copy
for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
( cd $$src_dir; find -type f -or -type d ) | \
( cd $(2); while :; do \
read FILE; \
[ -z "$$FILE" ] && break; \
[ -L "$$FILE" ] || continue; \
echo "Removing symlink $(2)/$$FILE"; \
rm -f "$$FILE"; \
done; ); \
done; \
$(CP) $(1) $(2)
endef
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
all:
FORCE: ;
.PHONY: FORCE
val.%:
@$(if $(filter undefined,$(origin $*)),\
echo "$* undefined" >&2, \
echo '$(subst ','"'"',$($*))' \
)
var.%:
@$(if $(filter undefined,$(origin $*)),\
echo "$* undefined" >&2, \
echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
)
endif #__rules_inc
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