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 ($(ARCH),powerpc)
59 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
60 ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
61 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
63 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
66 ifdef CONFIG_HAS_SPE_FPU
67 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
70 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
71 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
72 INCLUDE_DIR:=$(TOPDIR)/include
73 SCRIPT_DIR:=$(TOPDIR)/scripts
74 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
75 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
76 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
77 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
78 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
79 LIBC:=$(call qstrip,$(CONFIG_LIBC))
80 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
81 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
82 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
83 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
84 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
85 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
86 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
87 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
88 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
89 PACKAGE_DIR:=$(BIN_DIR)/packages
91 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
92 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
94 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
96 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
97 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
98 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
99 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
100 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
101 PACKAGE_DIR:=$(BIN_DIR)/packages
103 STAMP_DIR:=$(BUILD_DIR)/stamp
104 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
105 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
106 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
107 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
108 BUILD_LOG_DIR:=$(TOPDIR)/logs
109 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
111 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
112 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
113 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
114 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
115 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
116 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
117 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
118 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
119 LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))
121 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
122 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
125 LIBRPC_DEPENDS=+librpc
127 ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
132 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
133 -include $(TOOLCHAIN_DIR)/info.mk
134 export GCC_HONOUR_COPTS:=0
135 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
136 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
137 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
138 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
139 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
141 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
142 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
143 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
144 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
145 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
146 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
147 ifneq ($(TOOLCHAIN_BIN_DIRS),)
148 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
150 ifneq ($(TOOLCHAIN_INC_DIRS),)
151 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
153 ifneq ($(TOOLCHAIN_LIB_DIRS),)
154 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
156 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
160 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
162 ifeq ($(CONFIG_SOFT_FLOAT),y)
163 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
164 TARGET_CFLAGS+= -msoft-float
166 SOFT_FLOAT_CONFIG_OPTION:=
169 export PATH:=$(TARGET_PATH)
171 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
173 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
178 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
179 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
180 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
182 TARGET_CC:=$(TARGET_CROSS)gcc
183 TARGET_AR:=$(TARGET_CROSS)ar
184 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
185 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
186 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
187 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
191 INSTALL_BIN:=install -m0755
192 INSTALL_DIR:=install -d -m0755
193 INSTALL_DATA:=install -m0644
194 INSTALL_CONF:=install -m0600
196 TARGET_CC_NOCACHE:=$(TARGET_CC)
197 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
198 HOSTCC_NOCACHE:=$(HOSTCC)
199 export TARGET_CC_NOCACHE
200 export TARGET_CXX_NOCACHE
201 export HOSTCC_NOCACHE
203 ifneq ($(CONFIG_CCACHE),)
204 TARGET_CC:= ccache_cc
205 TARGET_CXX:= ccache_cxx
206 HOSTCC:= ccache $(HOSTCC)
209 TARGET_CONFIGURE_OPTS = \
210 AR=$(TARGET_CROSS)ar \
211 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
212 LD=$(TARGET_CROSS)ld \
213 NM=$(TARGET_CROSS)nm \
216 CXX="$(TARGET_CXX)" \
217 RANLIB=$(TARGET_CROSS)ranlib \
218 STRIP=$(TARGET_CROSS)strip \
219 OBJCOPY=$(TARGET_CROSS)objcopy \
220 OBJDUMP=$(TARGET_CROSS)objdump \
221 SIZE=$(TARGET_CROSS)size
223 # strip an entire directory
224 ifneq ($(CONFIG_NO_STRIP),)
228 ifneq ($(CONFIG_USE_STRIP),)
229 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
231 ifneq ($(CONFIG_USE_SSTRIP),)
232 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
236 export CROSS="$(TARGET_CROSS)" \
237 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
238 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
239 NM="$(TARGET_CROSS)nm" \
241 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
242 $(SCRIPT_DIR)/rstrip.sh
245 ifeq ($(CONFIG_ENABLE_LOCALE),true)
246 DISABLE_NLS:=--enable-nls
248 DISABLE_NLS:=--disable-nls
251 ifeq ($(CONFIG_IPV6),y)
254 DISABLE_IPV6:=--disable-ipv6
257 ifeq ($(CONFIG_TAR_VERBOSITY),y)
263 ifeq ($(CONFIG_BUILD_LOG),y)
268 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
272 $(call shvar,$(1))=$$(call $(1))
273 export $(call shvar,$(1))
277 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
280 # Execute commands under flock
281 # $(1) => The shell expression.
282 # $(2) => The lock name. If not given, the global lock will be used.
285 $(STAGING_DIR_HOST)/bin/flock \
286 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
287 -c '$(subst ','\'',$(1))'
290 # Recursively copy paths into another directory, purge dangling
292 # $(1) => File glob expression
293 # $(2) => Destination directory
295 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
296 ( cd $$src_dir; find -type f -or -type d ) | \
297 ( cd $(2); while :; do \
299 [ -z "$$FILE" ] && break; \
300 [ -L "$$FILE" ] || continue; \
301 echo "Removing symlink $(2)/$$FILE"; \
309 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
316 @$(if $(filter undefined,$(origin $*)),\
317 echo "$* undefined" >&2, \
318 echo '$(subst ','"'"',$($*))' \
322 @$(if $(filter undefined,$(origin $*)),\
323 echo "$* undefined" >&2, \
324 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \