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 $(TOPDIR
)/include/verbose.mk
17 export TMP_DIR
:=$(TOPDIR
)/tmp
19 qstrip
=$(strip $(subst ",,$(1)))
23 space
:= $(empty
) $(empty
)
25 merge
=$(subst $(space
),,$(1))
26 confvar
=$(call merge
,$(foreach v
,$(1),$(if
$($(v
)),y
,n
)))
27 strip_last
=$(patsubst %.
$(lastword
$(subst .
,$(space
),$(1))),%,$(1))
31 chars_lower
= a b c d e f g h i j k l m n o p q r s t u v w x y z
32 chars_upper
= A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
43 __tr_list
= $(join $(join $(1),$(foreach char
,$(1),$(comma
))),$(2))
44 __tr_head_stripped
= $(subst $(space
),,$(foreach cv
,$(call __tr_list
,$(1),$(2)),$$$(paren_left
)subst$(cv
)$(comma
)))
45 __tr_head
= $(subst $(paren_left
)subst,$(paren_left
)subst$(space
),$(__tr_head_stripped
))
46 __tr_tail
= $(subst $(space
),,$(foreach cv
,$(1),$(paren_right
)))
47 __tr_template
= $(__tr_head
)$$(1)$(__tr_tail
)
49 $(eval toupper
= $(call __tr_template
,$(chars_lower
),$(chars_upper
)))
50 $(eval tolower
= $(call __tr_template
,$(chars_upper
),$(chars_lower
)))
52 _SINGLE
=export MAKEFLAGS
=$(space
);
54 ARCH
:=$(subst i486
,i386
,$(subst i586
,i386
,$(subst i686
,i386
,$(call qstrip
,$(CONFIG_ARCH
)))))
55 ARCH_PACKAGES
:=$(call qstrip
,$(CONFIG_TARGET_ARCH_PACKAGES
))
56 BOARD
:=$(call qstrip
,$(CONFIG_TARGET_BOARD
))
57 TARGET_OPTIMIZATION
:=$(call qstrip
,$(CONFIG_TARGET_OPTIMIZATION
))
58 export EXTRA_OPTIMIZATION
:=$(filter-out -fno-plt
,$(call qstrip
,$(CONFIG_EXTRA_OPTIMIZATION
)))
59 TARGET_SUFFIX
=$(call qstrip
,$(CONFIG_TARGET_SUFFIX
))
60 BUILD_SUFFIX
:=$(call qstrip
,$(CONFIG_BUILD_SUFFIX
))
61 SUBDIR
:=$(patsubst $(TOPDIR
)/%,%,${CURDIR})
62 BUILD_SUBDIR
:=$(patsubst $(TOPDIR
)/%,%,${CURDIR})
63 export SHELL
:=/usr
/bin
/env bash
65 IS_PACKAGE_BUILD
:= $(if
$(filter package
/%,$(BUILD_SUBDIR
)),1)
67 OPTIMIZE_FOR_CPU
=$(subst i386
,i486
,$(ARCH
))
69 ifeq ($(ARCH
),powerpc
)
77 ARCH_SUFFIX
:=$(call qstrip
,$(CONFIG_CPU_TYPE
))
80 ifneq ($(ARCH_SUFFIX
),)
81 ARCH_SUFFIX
:=_
$(ARCH_SUFFIX
)
83 ifneq ($(filter -march
=armv
%,$(TARGET_OPTIMIZATION
)),)
84 GCC_ARCH
:=$(patsubst -march
=%,%,$(filter -march
=armv
%,$(TARGET_OPTIMIZATION
)))
86 ifdef CONFIG_HAS_SPE_FPU
87 TARGET_SUFFIX
:=$(TARGET_SUFFIX
)spe
89 ifdef CONFIG_MIPS64_ABI
90 ifneq ($(CONFIG_MIPS64_ABI_O32
),y
)
91 ARCH_SUFFIX
:=$(ARCH_SUFFIX
)_
$(call qstrip
,$(CONFIG_MIPS64_ABI
))
95 DL_DIR
:=$(if
$(call qstrip
,$(CONFIG_DOWNLOAD_FOLDER
)),$(call qstrip
,$(CONFIG_DOWNLOAD_FOLDER
)),$(TOPDIR
)/dl
)
96 BIN_DIR
:=$(if
$(call qstrip
,$(CONFIG_BINARY_FOLDER
)),$(call qstrip
,$(CONFIG_BINARY_FOLDER
)),$(TOPDIR
)/bin
/$(BOARD
))
97 INCLUDE_DIR
:=$(TOPDIR
)/include
98 SCRIPT_DIR
:=$(TOPDIR
)/scripts
99 BUILD_DIR_BASE
:=$(TOPDIR
)/build_dir
100 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
101 GCCV
:=$(call qstrip
,$(CONFIG_GCC_VERSION
))
102 LIBC
:=$(call qstrip
,$(CONFIG_LIBC
))
103 LIBCV
:=$(call qstrip
,$(CONFIG_LIBC_VERSION
))
104 REAL_GNU_TARGET_NAME
=$(OPTIMIZE_FOR_CPU
)-openwrt-linux
$(if
$(TARGET_SUFFIX
),-$(TARGET_SUFFIX
))
105 GNU_TARGET_NAME
=$(OPTIMIZE_FOR_CPU
)-openwrt-linux
106 DIR_SUFFIX
:=_
$(LIBC
)-$(LIBCV
)$(if
$(CONFIG_arm
),_eabi
)
107 BIN_DIR
:=$(BIN_DIR
)$(if
$(CONFIG_USE_MUSL
),,-$(LIBC
))
108 TARGET_DIR_NAME
= target-
$(ARCH
)$(ARCH_SUFFIX
)$(DIR_SUFFIX
)$(if
$(BUILD_SUFFIX
),_
$(BUILD_SUFFIX
))
109 TOOLCHAIN_DIR_NAME
= toolchain-
$(ARCH
)$(ARCH_SUFFIX
)_gcc-
$(GCCV
)$(DIR_SUFFIX
)
111 ifeq ($(CONFIG_NATIVE_TOOLCHAIN
),)
112 GNU_TARGET_NAME
=$(call qstrip
,$(CONFIG_TARGET_NAME
))
114 GNU_TARGET_NAME
=$(shell gcc
-dumpmachine
)
116 REAL_GNU_TARGET_NAME
=$(GNU_TARGET_NAME
)
117 TARGET_DIR_NAME
:=target-
$(GNU_TARGET_NAME
)$(if
$(BUILD_SUFFIX
),_
$(BUILD_SUFFIX
))
118 TOOLCHAIN_DIR_NAME
:=toolchain-
$(GNU_TARGET_NAME
)
121 ifeq ($(or
$(CONFIG_EXTERNAL_TOOLCHAIN
),$(CONFIG_GCC_VERSION_4_8
)),)
122 iremap
= -iremap
$(1):$(2)
125 PACKAGE_DIR
:=$(BIN_DIR
)/packages
126 BUILD_DIR
:=$(BUILD_DIR_BASE
)/$(TARGET_DIR_NAME
)
127 STAGING_DIR
:=$(TOPDIR
)/staging_dir
/$(TARGET_DIR_NAME
)
128 BUILD_DIR_TOOLCHAIN
:=$(BUILD_DIR_BASE
)/$(TOOLCHAIN_DIR_NAME
)
129 TOOLCHAIN_DIR
:=$(TOPDIR
)/staging_dir
/$(TOOLCHAIN_DIR_NAME
)
130 STAMP_DIR
:=$(BUILD_DIR
)/stamp
131 STAMP_DIR_HOST
=$(BUILD_DIR_HOST
)/stamp
132 TARGET_ROOTFS_DIR?
=$(if
$(call qstrip
,$(CONFIG_TARGET_ROOTFS_DIR
)),$(call qstrip
,$(CONFIG_TARGET_ROOTFS_DIR
)),$(BUILD_DIR
))
133 TARGET_DIR
:=$(TARGET_ROOTFS_DIR
)/root-
$(BOARD
)
134 STAGING_DIR_ROOT
:=$(STAGING_DIR
)/root-
$(BOARD
)
135 BUILD_LOG_DIR
:=$(TOPDIR
)/logs
136 PKG_INFO_DIR
:= $(STAGING_DIR
)/pkginfo
138 BUILD_DIR_HOST
:=$(if
$(IS_PACKAGE_BUILD
),$(BUILD_DIR
)/host
,$(BUILD_DIR_BASE
)/host
)
139 STAGING_DIR_HOST
:=$(TOPDIR
)/staging_dir
/host
141 TARGET_PATH
:=$(subst $(space
),:,$(filter-out .
,$(filter-out .
/,$(subst :,$(space
),$(PATH
)))))
142 TARGET_CFLAGS
:=$(TARGET_OPTIMIZATION
)$(if
$(CONFIG_DEBUG
), -g3
) $(call qstrip
,$(CONFIG_EXTRA_OPTIMIZATION
))
143 TARGET_CXXFLAGS
= $(TARGET_CFLAGS
)
144 TARGET_ASFLAGS_DEFAULT
= $(TARGET_CFLAGS
)
145 TARGET_ASFLAGS
= $(TARGET_ASFLAGS_DEFAULT
)
146 TARGET_CPPFLAGS
:=-I
$(STAGING_DIR
)/usr
/include -I
$(STAGING_DIR
)/include
147 TARGET_LDFLAGS
:=-L
$(STAGING_DIR
)/usr
/lib
-L
$(STAGING_DIR
)/lib
148 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
149 LIBGCC_S_PATH
=$(realpath
$(wildcard $(call qstrip
,$(CONFIG_LIBGCC_ROOT_DIR
))/$(call qstrip
,$(CONFIG_LIBGCC_FILE_SPEC
))))
150 LIBGCC_S
=$(if
$(LIBGCC_S_PATH
),-L
$(dir $(LIBGCC_S_PATH
)) -lgcc_s
)
151 LIBGCC_A
=$(realpath
$(lastword
$(wildcard $(dir $(LIBGCC_S_PATH
))/gcc
/*/*/libgcc.a
)))
153 LIBGCC_A
=$(lastword
$(wildcard $(TOOLCHAIN_DIR
)/lib
/gcc
/*/*/libgcc.a
))
154 LIBGCC_S
=$(if
$(wildcard $(TOOLCHAIN_DIR
)/lib
/libgcc_s.so
),-L
$(TOOLCHAIN_DIR
)/lib
-lgcc_s
,$(LIBGCC_A
))
157 LIBRPC_DEPENDS
=+librpc
159 ifeq ($(CONFIG_ARCH_64BIT
),y
)
164 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
165 -include $(TOOLCHAIN_DIR
)/info.mk
166 export GCC_HONOUR_COPTS
:=0
167 TARGET_CROSS
:=$(if
$(TARGET_CROSS
),$(TARGET_CROSS
),$(OPTIMIZE_FOR_CPU
)-openwrt-linux
$(if
$(TARGET_SUFFIX
),-$(TARGET_SUFFIX
))-)
168 TARGET_CFLAGS
+= -fhonour-copts
-Wno-error
=unused-but-set-variable
-Wno-error
=unused-result
169 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/usr
/include
170 ifeq ($(CONFIG_USE_MUSL
),y
)
171 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/include/fortify
173 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/include
174 TARGET_LDFLAGS
+= -L
$(TOOLCHAIN_DIR
)/usr
/lib
-L
$(TOOLCHAIN_DIR
)/lib
175 TARGET_PATH
:=$(TOOLCHAIN_DIR
)/bin
:$(TARGET_PATH
)
177 ifeq ($(CONFIG_NATIVE_TOOLCHAIN
),)
178 TARGET_CROSS
:=$(call qstrip
,$(CONFIG_TOOLCHAIN_PREFIX
))
179 TOOLCHAIN_ROOT_DIR
:=$(call qstrip
,$(CONFIG_TOOLCHAIN_ROOT
))
180 TOOLCHAIN_BIN_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_BIN_PATH
)))
181 TOOLCHAIN_INC_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_INC_PATH
)))
182 TOOLCHAIN_LIB_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_LIB_PATH
)))
183 ifneq ($(TOOLCHAIN_BIN_DIRS
),)
184 TARGET_PATH
:=$(subst $(space
),:,$(TOOLCHAIN_BIN_DIRS
)):$(TARGET_PATH
)
186 ifneq ($(TOOLCHAIN_INC_DIRS
),)
187 TARGET_CPPFLAGS
+= $(patsubst %,-I
%,$(TOOLCHAIN_INC_DIRS
))
189 ifneq ($(TOOLCHAIN_LIB_DIRS
),)
190 TARGET_LDFLAGS
+= $(patsubst %,-L
%,$(TOOLCHAIN_LIB_DIRS
))
192 TARGET_PATH
:=$(TOOLCHAIN_DIR
)/bin
:$(TARGET_PATH
)
196 TARGET_PATH_PKG
:=$(STAGING_DIR
)/host
/bin
:$(TARGET_PATH
)
198 ifeq ($(CONFIG_SOFT_FLOAT
),y
)
199 SOFT_FLOAT_CONFIG_OPTION
:=--with-float
=soft
200 ifeq ($(CONFIG_arm
),y
)
201 TARGET_CFLAGS
+= -mfloat-abi
=soft
203 TARGET_CFLAGS
+= -msoft-float
206 SOFT_FLOAT_CONFIG_OPTION
:=
207 ifeq ($(CONFIG_arm
),y
)
208 TARGET_CFLAGS
+= -mfloat-abi
=hard
212 export PATH
:=$(TARGET_PATH
)
213 export STAGING_DIR STAGING_DIR_HOST
214 export SH_FUNC
:=.
$(INCLUDE_DIR
)/shell.sh
;
216 PKG_CONFIG
:=$(STAGING_DIR_HOST
)/bin
/pkg-config
222 HOST_CPPFLAGS
:=-I
$(STAGING_DIR_HOST
)/include -I
$(STAGING_DIR_HOST
)/usr
/include $(if
$(IS_PACKAGE_BUILD
),-I
$(STAGING_DIR
)/host
/include)
223 HOST_CFLAGS
:=-O2
$(HOST_CPPFLAGS
)
224 HOST_LDFLAGS
:=-L
$(STAGING_DIR_HOST
)/lib
-L
$(STAGING_DIR_HOST
)/usr
/lib
$(if
$(IS_PACKAGE_BUILD
),-L
$(STAGING_DIR
)/host
/lib
)
226 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
227 TARGET_AR
:=$(TARGET_CROSS
)gcc-ar
228 TARGET_RANLIB
:=$(TARGET_CROSS
)gcc-ranlib
229 TARGET_NM
:=$(TARGET_CROSS
)gcc-nm
231 TARGET_AR
:=$(TARGET_CROSS
)ar
232 TARGET_RANLIB
:=$(TARGET_CROSS
)ranlib
233 TARGET_NM
:=$(TARGET_CROSS
)nm
236 BUILD_KEY
=$(TOPDIR
)/key-build
238 TARGET_CC
:=$(TARGET_CROSS
)gcc
239 TARGET_CXX
:=$(TARGET_CROSS
)g
++
240 KPATCH
:=$(SCRIPT_DIR
)/patch-kernel.sh
241 SED
:=$(STAGING_DIR_HOST
)/bin
/sed
-i
-e
252 INSTALL_BIN
:=install -m0755
253 INSTALL_DIR
:=install -d
-m0755
254 INSTALL_DATA
:=install -m0644
255 INSTALL_CONF
:=install -m0600
257 TARGET_CC_NOCACHE
:=$(TARGET_CC
)
258 TARGET_CXX_NOCACHE
:=$(TARGET_CXX
)
259 HOSTCC_NOCACHE
:=$(HOSTCC
)
260 HOSTCXX_NOCACHE
:=$(HOSTCXX
)
261 export TARGET_CC_NOCACHE
262 export TARGET_CXX_NOCACHE
263 export HOSTCC_NOCACHE
265 ifneq ($(CONFIG_CCACHE
),)
266 TARGET_CC
:= ccache_cc
267 TARGET_CXX
:= ccache_cxx
268 HOSTCC
:= ccache
$(HOSTCC
)
269 HOSTCXX
:= ccache
$(HOSTCXX
)
272 TARGET_CONFIGURE_OPTS
= \
274 AS
="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
275 LD
=$(TARGET_CROSS
)ld \
279 CXX
="$(TARGET_CXX)" \
280 RANLIB
="$(TARGET_RANLIB)" \
281 STRIP
=$(TARGET_CROSS
)strip \
282 OBJCOPY
=$(TARGET_CROSS
)objcopy \
283 OBJDUMP
=$(TARGET_CROSS
)objdump \
284 SIZE
=$(TARGET_CROSS
)size
286 # strip an entire directory
287 ifneq ($(CONFIG_NO_STRIP
),)
291 ifneq ($(CONFIG_USE_STRIP
),)
292 STRIP
:=$(TARGET_CROSS
)strip $(call qstrip
,$(CONFIG_STRIP_ARGS
))
294 ifneq ($(CONFIG_USE_SSTRIP
),)
295 STRIP
:=$(STAGING_DIR_HOST
)/bin
/sstrip
299 export CROSS
="$(TARGET_CROSS)" \
300 $(if
$(PKG_BUILD_ID
),KEEP_BUILD_ID
=1) \
301 $(if
$(CONFIG_KERNEL_KALLSYMS
),NO_RENAME
=1) \
302 $(if
$(CONFIG_KERNEL_PROFILING
),KEEP_SYMBOLS
=1); \
303 NM
="$(TARGET_CROSS)nm" \
305 STRIP_KMOD
="$(SCRIPT_DIR)/strip-kmod.sh" \
306 PATCHELF
="$(STAGING_DIR_HOST)/bin/patchelf" \
307 $(SCRIPT_DIR
)/rstrip.sh
310 ifeq ($(CONFIG_IPV6
),y
)
313 DISABLE_IPV6
:=--disable-ipv6
318 ifeq ($(CONFIG_BUILD_LOG
),y
)
322 export BISON_PKGDATADIR
:=$(STAGING_DIR_HOST
)/share
/bison
323 export M4
:=$(STAGING_DIR_HOST
)/bin
/m4
326 V_
$(subst .
,_
,$(subst -,_
,$(subst /,_
,$(1))))
330 export $(call shvar
,$(1))=$$(call
$(1))
334 $(eval
-include $(if
$(DUMP
),,$(STAGING_DIR
)/mk
/$(strip $(1))))
337 # Execute commands under flock
338 # $(1) => The shell expression.
339 # $(2) => The lock name. If not given, the global lock will be used.
340 ifneq ($(wildcard $(STAGING_DIR_HOST
)/bin
/flock
),)
344 $(TMP_DIR
)/.
$(if
$(2),$(strip $(2)),global
).flock \
345 -c
'$(subst ','\'',$(1))'
351 # Recursively copy paths into another directory, purge dangling
353 # $(1) => File glob expression
354 # $(2) => Destination directory
356 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
357 ( cd $$src_dir; find -type f -or -type d ) | \
358 ( cd $(2); while :; do \
360 [ -z "$$FILE" ] && break; \
361 [ -L "$$FILE" ] || continue; \
362 echo "Removing symlink $(2)/$$FILE"; \
370 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
377 @$(if $(filter undefined,$(origin $*)),\
378 echo "$* undefined" >&2, \
379 echo '$(subst ','"'"',$($*))' \
383 @
$(if
$(filter undefined
,$(origin $*)),\
384 echo
"$* undefined" >&2, \
385 echo
"$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \