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
$(CONFIG_arm
),_eabi
)
84 BUILD_DIR
:=$(BUILD_DIR_BASE
)/target-
$(ARCH
)$(ARCH_SUFFIX
)$(DIR_SUFFIX
)$(if
$(BUILD_SUFFIX
),_
$(BUILD_SUFFIX
))
85 STAGING_DIR
:=$(TOPDIR
)/staging_dir
/target-
$(ARCH
)$(ARCH_SUFFIX
)$(DIR_SUFFIX
)$(if
$(BUILD_SUFFIX
),_
$(BUILD_SUFFIX
))
86 BUILD_DIR_TOOLCHAIN
:=$(BUILD_DIR_BASE
)/toolchain-
$(ARCH
)$(ARCH_SUFFIX
)_gcc-
$(GCCV
)$(DIR_SUFFIX
)
87 TOOLCHAIN_DIR
:=$(TOPDIR
)/staging_dir
/toolchain-
$(ARCH
)$(ARCH_SUFFIX
)_gcc-
$(GCCV
)$(DIR_SUFFIX
)
88 PACKAGE_DIR
:=$(BIN_DIR
)/packages
90 ifeq ($(CONFIG_NATIVE_TOOLCHAIN
),)
91 GNU_TARGET_NAME
=$(call qstrip
,$(CONFIG_TARGET_NAME
))
93 GNU_TARGET_NAME
=$(shell gcc
-dumpmachine
)
95 REAL_GNU_TARGET_NAME
=$(GNU_TARGET_NAME
)
96 BUILD_DIR
:=$(BUILD_DIR_BASE
)/target-
$(GNU_TARGET_NAME
)$(if
$(BUILD_SUFFIX
),_
$(BUILD_SUFFIX
))
97 STAGING_DIR
:=$(TOPDIR
)/staging_dir
/target-
$(GNU_TARGET_NAME
)$(if
$(BUILD_SUFFIX
),_
$(BUILD_SUFFIX
))
98 BUILD_DIR_TOOLCHAIN
:=$(BUILD_DIR_BASE
)/toolchain-
$(GNU_TARGET_NAME
)
99 TOOLCHAIN_DIR
:=$(TOPDIR
)/staging_dir
/toolchain-
$(GNU_TARGET_NAME
)
100 PACKAGE_DIR
:=$(BIN_DIR
)/packages
102 STAMP_DIR
:=$(BUILD_DIR
)/stamp
103 STAMP_DIR_HOST
=$(BUILD_DIR_HOST
)/stamp
104 TARGET_ROOTFS_DIR?
=$(if
$(call qstrip
,$(CONFIG_TARGET_ROOTFS_DIR
)),$(call qstrip
,$(CONFIG_TARGET_ROOTFS_DIR
)),$(BUILD_DIR
))
105 TARGET_DIR
:=$(TARGET_ROOTFS_DIR
)/root-
$(BOARD
)
106 STAGING_DIR_ROOT
:=$(STAGING_DIR
)/root-
$(BOARD
)
107 BUILD_LOG_DIR
:=$(TOPDIR
)/logs
109 TARGET_PATH
:=$(STAGING_DIR_HOST
)/bin
:$(subst $(space
),:,$(filter-out .
,$(filter-out .
/,$(subst :,$(space
),$(PATH
)))))
110 TARGET_CFLAGS
:=$(TARGET_OPTIMIZATION
)$(if
$(CONFIG_DEBUG
), -g3
)
111 TARGET_CXXFLAGS
= $(TARGET_CFLAGS
)
112 TARGET_CPPFLAGS
:=-I
$(STAGING_DIR
)/usr
/include -I
$(STAGING_DIR
)/include
113 TARGET_LDFLAGS
:=-L
$(STAGING_DIR
)/usr
/lib
-L
$(STAGING_DIR
)/lib
114 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
115 LIBGCC_S_PATH
=$(realpath
$(wildcard $(call qstrip
,$(CONFIG_LIBGCC_ROOT_DIR
))/$(call qstrip
,$(CONFIG_LIBGCC_FILE_SPEC
))))
116 LIBGCC_S
=$(if
$(LIBGCC_S_PATH
),-L
$(dir $(LIBGCC_S_PATH
)) -lgcc_s
)
117 LIBGCC_A
=$(realpath
$(wildcard $(dir $(LIBGCC_S_PATH
))/gcc
/*/*/libgcc.a
))
119 LIBGCC_A
=$(wildcard $(TOOLCHAIN_DIR
)/lib
/gcc
/*/*/libgcc.a
)
120 LIBGCC_S
=$(if
$(wildcard $(TOOLCHAIN_DIR
)/lib
/libgcc_s.so
),-L
$(TOOLCHAIN_DIR
)/lib
-lgcc_s
,$(LIBGCC_A
))
122 ifdef CONFIG_USE_UCLIBC
125 LIBRPC_DEPENDS
=+USE_UCLIBC
:librpc
128 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
129 -include $(TOOLCHAIN_DIR
)/info.mk
130 export GCC_HONOUR_COPTS
:=0
131 TARGET_CROSS
:=$(if
$(TARGET_CROSS
),$(TARGET_CROSS
),$(OPTIMIZE_FOR_CPU
)-openwrt-linux
$(if
$(TARGET_SUFFIX
),-$(TARGET_SUFFIX
))-)
132 TARGET_CFLAGS
+= -fhonour-copts
$(if
$(CONFIG_GCC_VERSION_4_4
)$(CONFIG_GCC_VERSION_4_5
),,-Wno-error
=unused-but-set-variable
)
133 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/usr
/include -I
$(TOOLCHAIN_DIR
)/include
134 TARGET_LDFLAGS
+= -L
$(TOOLCHAIN_DIR
)/usr
/lib
-L
$(TOOLCHAIN_DIR
)/lib
135 TARGET_PATH
:=$(TOOLCHAIN_DIR
)/bin
:$(TARGET_PATH
)
137 ifeq ($(CONFIG_NATIVE_TOOLCHAIN
),)
138 TARGET_CROSS
:=$(call qstrip
,$(CONFIG_TOOLCHAIN_PREFIX
))
139 TOOLCHAIN_ROOT_DIR
:=$(call qstrip
,$(CONFIG_TOOLCHAIN_ROOT
))
140 TOOLCHAIN_BIN_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_BIN_PATH
)))
141 TOOLCHAIN_INC_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_INC_PATH
)))
142 TOOLCHAIN_LIB_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_LIB_PATH
)))
143 ifneq ($(TOOLCHAIN_BIN_DIRS
),)
144 TARGET_PATH
:=$(subst $(space
),:,$(TOOLCHAIN_BIN_DIRS
)):$(TARGET_PATH
)
146 ifneq ($(TOOLCHAIN_INC_DIRS
),)
147 TARGET_CPPFLAGS
+= $(patsubst %,-I
%,$(TOOLCHAIN_INC_DIRS
))
149 ifneq ($(TOOLCHAIN_LIB_DIRS
),)
150 TARGET_LDFLAGS
+= $(patsubst %,-L
%,$(TOOLCHAIN_LIB_DIRS
))
152 TARGET_PATH
:=$(TOOLCHAIN_DIR
)/bin
:$(TARGET_PATH
)
156 TARGET_PATH_PKG
:=$(STAGING_DIR
)/host
/bin
:$(TARGET_PATH
)
158 ifeq ($(CONFIG_SOFT_FLOAT
),y
)
159 SOFT_FLOAT_CONFIG_OPTION
:=--with-float
=soft
160 TARGET_CFLAGS
+= -msoft-float
162 SOFT_FLOAT_CONFIG_OPTION
:=
165 export PATH
:=$(TARGET_PATH
)
167 export SH_FUNC
:=.
$(INCLUDE_DIR
)/shell.sh
;
169 PKG_CONFIG
:=$(STAGING_DIR_HOST
)/bin
/pkg-config
174 HOSTCC_NOCACHE
:=$(HOSTCC
)
175 HOST_CFLAGS
:=-O2
-I
$(STAGING_DIR_HOST
)/include
176 HOST_LDFLAGS
:=-L
$(STAGING_DIR_HOST
)/lib
178 TARGET_CC
:=$(TARGET_CROSS
)gcc
179 TARGET_CXX
:=$(if
$(CONFIG_INSTALL_LIBSTDCPP
),$(TARGET_CROSS
)g
++,no
)
180 KPATCH
:=$(SCRIPT_DIR
)/patch-kernel.sh
181 SED
:=$(STAGING_DIR_HOST
)/bin
/sed
-i
-e
185 INSTALL_BIN
:=install -m0755
186 INSTALL_DIR
:=install -d
-m0755
187 INSTALL_DATA
:=install -m0644
188 INSTALL_CONF
:=install -m0600
190 ifneq ($(CONFIG_CCACHE
),)
191 TARGET_CC
:= ccache
$(TARGET_CC
)
192 TARGET_CXX
:= ccache
$(TARGET_CXX
)
193 HOSTCC
:= ccache
$(HOSTCC
)
196 TARGET_CONFIGURE_OPTS
= \
197 AR
=$(TARGET_CROSS
)ar \
198 AS
="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
199 LD
=$(TARGET_CROSS
)ld \
200 NM
=$(TARGET_CROSS
)nm \
203 CXX
="$(TARGET_CXX)" \
204 RANLIB
=$(TARGET_CROSS
)ranlib \
205 STRIP
=$(TARGET_CROSS
)strip \
206 OBJCOPY
=$(TARGET_CROSS
)objcopy \
207 OBJDUMP
=$(TARGET_CROSS
)objdump \
208 SIZE
=$(TARGET_CROSS
)size
210 # strip an entire directory
211 ifneq ($(CONFIG_NO_STRIP
),)
215 ifneq ($(CONFIG_USE_STRIP
),)
216 STRIP
:=$(TARGET_CROSS
)strip $(call qstrip
,$(CONFIG_STRIP_ARGS
))
218 ifneq ($(CONFIG_USE_SSTRIP
),)
219 STRIP
:=$(STAGING_DIR_HOST
)/bin
/sstrip
223 export CROSS
="$(TARGET_CROSS)" \
224 $(if
$(CONFIG_KERNEL_KALLSYMS
),NO_RENAME
=1) \
225 $(if
$(CONFIG_KERNEL_PROFILING
),KEEP_SYMBOLS
=1); \
226 NM
="$(TARGET_CROSS)nm" \
228 STRIP_KMOD
="$(SCRIPT_DIR)/strip-kmod.sh" \
229 $(SCRIPT_DIR
)/rstrip.sh
232 ifeq ($(CONFIG_ENABLE_LOCALE
),true
)
233 DISABLE_NLS
:=--enable-nls
235 DISABLE_NLS
:=--disable-nls
238 ifeq ($(CONFIG_IPV6
),y
)
241 DISABLE_IPV6
:=--disable-ipv6
244 ifeq ($(CONFIG_TAR_VERBOSITY
),y
)
250 ifeq ($(CONFIG_BUILD_LOG
),y
)
255 V_
$(subst .
,_
,$(subst -,_
,$(subst /,_
,$(1))))
259 $(call shvar
,$(1))=$$(call
$(1))
260 export $(call shvar
,$(1))
264 $(eval
-include $(if
$(DUMP
),,$(STAGING_DIR
)/mk
/$(strip $(1))))
267 # Execute commands under flock
268 # $(1) => The shell expression.
269 # $(2) => The lock name. If not given, the global lock will be used.
272 $(STAGING_DIR_HOST
)/bin
/flock \
273 $(TMP_DIR
)/.
$(if
$(2),$(strip $(2)),global
).flock \
274 -c
'$(subst ','\'',$(1))'
278 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
285 @$(if $(filter undefined,$(origin $*)),\
286 echo "$* undefined" >&2, \
287 echo '$(subst ','"'"',$($*))' \
291 @
$(if
$(filter undefined
,$(origin $*)),\
292 echo
"$* undefined" >&2, \
293 echo
"$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \