2 # Copyright (C) 2006-2010 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
8 ifneq ($(__rules_inc),1)
12 -include $(TOPDIR)/.config
14 include $(TOPDIR)/include/debug.mk
15 include $(TOPDIR)/include/verbose.mk
17 TMP_DIR:=$(TOPDIR)/tmp
22 qstrip=$(strip $(subst ",,$(1)))
26 space:= $(empty) $(empty)
27 merge=$(subst $(space),,$(1))
28 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
29 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
31 _SINGLE=export MAKEFLAGS=$(space);
33 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
34 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
35 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
36 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
37 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
38 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
39 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
40 export SHELL:=/usr/bin/env bash
42 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
44 ifeq ($(ARCH),powerpc)
53 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
56 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
59 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
62 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
65 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
69 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
70 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
71 INCLUDE_DIR:=$(TOPDIR)/include
72 SCRIPT_DIR:=$(TOPDIR)/scripts
73 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
74 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
75 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
76 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
77 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
78 LIBC:=$(call qstrip,$(CONFIG_LIBC))
79 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
80 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
81 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
82 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
83 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
84 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
85 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
86 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
87 PACKAGE_DIR:=$(BIN_DIR)/packages
89 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
90 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
92 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
94 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
95 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
96 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
97 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
98 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
99 PACKAGE_DIR:=$(BIN_DIR)/packages
101 STAMP_DIR:=$(BUILD_DIR)/stamp
102 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
103 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
104 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
105 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
106 BUILD_LOG_DIR:=$(TOPDIR)/logs
108 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
109 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
110 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
111 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
112 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
115 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
116 -include $(TOOLCHAIN_DIR)/info.mk
117 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
118 TARGET_CFLAGS+= -fhonour-copts
119 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
120 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
121 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
123 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
124 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
125 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
126 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
127 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
128 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
129 ifneq ($(TOOLCHAIN_BIN_DIRS),)
130 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
132 ifneq ($(TOOLCHAIN_INC_DIRS),)
133 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
135 ifneq ($(TOOLCHAIN_LIB_DIRS),)
136 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
141 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
143 ifeq ($(CONFIG_SOFT_FLOAT),y)
144 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
145 TARGET_CFLAGS+= -msoft-float
147 SOFT_FLOAT_CONFIG_OPTION:=
150 export PATH:=$(TARGET_PATH)
152 export GCC_HONOUR_COPTS:=0
153 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
155 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
160 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
161 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
163 TARGET_CC:=$(TARGET_CROSS)gcc
164 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
165 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
166 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
170 INSTALL_BIN:=install -m0755
171 INSTALL_DIR:=install -d -m0755
172 INSTALL_DATA:=install -m0644
173 INSTALL_CONF:=install -m0600
175 ifneq ($(CONFIG_CCACHE),)
176 # FIXME: move this variable to a better location
177 export CCACHE_DIR=$(STAGING_DIR)/ccache
178 TARGET_CC:= ccache $(TARGET_CC)
179 TARGET_CXX:= ccache $(TARGET_CXX)
182 TARGET_CONFIGURE_OPTS = \
183 AR=$(TARGET_CROSS)ar \
184 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
185 LD=$(TARGET_CROSS)ld \
186 NM=$(TARGET_CROSS)nm \
189 CXX="$(TARGET_CXX)" \
190 RANLIB=$(TARGET_CROSS)ranlib \
191 STRIP=$(TARGET_CROSS)strip \
192 OBJCOPY=$(TARGET_CROSS)objcopy \
193 OBJDUMP=$(TARGET_CROSS)objdump \
194 SIZE=$(TARGET_CROSS)size
196 # strip an entire directory
197 ifneq ($(CONFIG_NO_STRIP),)
201 ifneq ($(CONFIG_USE_STRIP),)
202 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
204 ifneq ($(CONFIG_USE_SSTRIP),)
205 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
209 NM="$(TARGET_CROSS)nm" \
211 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
212 $(SCRIPT_DIR)/rstrip.sh
215 ifeq ($(CONFIG_ENABLE_LOCALE),true)
216 DISABLE_NLS:=--enable-nls
218 DISABLE_NLS:=--disable-nls
221 ifeq ($(CONFIG_IPV6),y)
224 DISABLE_IPV6:=--disable-ipv6
227 ifeq ($(CONFIG_LARGEFILE),y)
230 DISABLE_LARGEFILE:=--disable-largefile
233 ifeq ($(CONFIG_TAR_VERBOSITY),y)
240 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
244 $(call shvar,$(1))=$$(call $(1))
245 export $(call shvar,$(1))
249 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
253 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
260 @$(if $(filter undefined,$(origin $*)),\
261 echo "$* undefined" >&2, \
262 echo '$(subst ','"'"',$($*))' \
266 @$(if $(filter undefined,$(origin $*)),\
267 echo "$* undefined" >&2, \
268 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \