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))
35 _SINGLE=export MAKEFLAGS=$(space);
37 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
38 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
39 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
40 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
41 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
42 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
43 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
44 export SHELL:=/usr/bin/env bash
46 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
48 ifeq ($(ARCH),powerpc)
57 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
60 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
63 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
66 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
69 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
73 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
74 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
75 INCLUDE_DIR:=$(TOPDIR)/include
76 SCRIPT_DIR:=$(TOPDIR)/scripts
77 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
78 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
79 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
80 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
81 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
82 LIBC:=$(call qstrip,$(CONFIG_LIBC))
83 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
84 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
85 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
86 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
87 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
88 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
89 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
90 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
91 PACKAGE_DIR:=$(BIN_DIR)/packages
93 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
94 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
96 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
98 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
99 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
100 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
101 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
102 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
103 PACKAGE_DIR:=$(BIN_DIR)/packages
105 STAMP_DIR:=$(BUILD_DIR)/stamp
106 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
107 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
108 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
109 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
110 BUILD_LOG_DIR:=$(TOPDIR)/logs
112 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
113 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
114 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
115 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
116 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
119 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
120 -include $(TOOLCHAIN_DIR)/info.mk
121 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
122 TARGET_CFLAGS+= -fhonour-copts
123 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
124 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
125 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
127 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
128 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
129 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
130 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
131 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
132 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
133 ifneq ($(TOOLCHAIN_BIN_DIRS),)
134 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
136 ifneq ($(TOOLCHAIN_INC_DIRS),)
137 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
139 ifneq ($(TOOLCHAIN_LIB_DIRS),)
140 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
145 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
147 ifeq ($(CONFIG_SOFT_FLOAT),y)
148 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
149 TARGET_CFLAGS+= -msoft-float
151 SOFT_FLOAT_CONFIG_OPTION:=
154 export PATH:=$(TARGET_PATH)
156 export GCC_HONOUR_COPTS:=0
157 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
159 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
164 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
165 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
167 TARGET_CC:=$(TARGET_CROSS)gcc
168 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
169 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
170 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
174 INSTALL_BIN:=install -m0755
175 INSTALL_DIR:=install -d -m0755
176 INSTALL_DATA:=install -m0644
177 INSTALL_CONF:=install -m0600
179 ifneq ($(CONFIG_CCACHE),)
180 # FIXME: move this variable to a better location
181 export CCACHE_DIR=$(STAGING_DIR)/ccache
182 TARGET_CC:= ccache $(TARGET_CC)
183 TARGET_CXX:= ccache $(TARGET_CXX)
186 TARGET_CONFIGURE_OPTS = \
187 AR=$(TARGET_CROSS)ar \
188 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
189 LD=$(TARGET_CROSS)ld \
190 NM=$(TARGET_CROSS)nm \
193 CXX="$(TARGET_CXX)" \
194 RANLIB=$(TARGET_CROSS)ranlib \
195 STRIP=$(TARGET_CROSS)strip \
196 OBJCOPY=$(TARGET_CROSS)objcopy \
197 OBJDUMP=$(TARGET_CROSS)objdump \
198 SIZE=$(TARGET_CROSS)size
200 # strip an entire directory
201 ifneq ($(CONFIG_NO_STRIP),)
205 ifneq ($(CONFIG_USE_STRIP),)
206 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
208 ifneq ($(CONFIG_USE_SSTRIP),)
209 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
213 NM="$(TARGET_CROSS)nm" \
215 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
216 $(SCRIPT_DIR)/rstrip.sh
219 ifeq ($(CONFIG_ENABLE_LOCALE),true)
220 DISABLE_NLS:=--enable-nls
222 DISABLE_NLS:=--disable-nls
225 ifeq ($(CONFIG_IPV6),y)
228 DISABLE_IPV6:=--disable-ipv6
231 ifeq ($(CONFIG_LARGEFILE),y)
234 DISABLE_LARGEFILE:=--disable-largefile
237 ifeq ($(CONFIG_TAR_VERBOSITY),y)
244 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
248 $(call shvar,$(1))=$$(call $(1))
249 export $(call shvar,$(1))
253 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
256 # Execute commands under flock
257 # $(1) => The shell expression.
258 # $(2) => The lock name. If not given, the global lock will be used.
261 $(STAGING_DIR_HOST)/bin/flock \
262 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
263 -c '$(subst ','\'',$(1))'
267 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
274 @$(if $(filter undefined,$(origin $*)),\
275 echo "$* undefined" >&2, \
276 echo '$(subst ','"'"',$($*))' \
280 @$(if $(filter undefined,$(origin $*)),\
281 echo "$* undefined" >&2, \
282 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \