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
,$(CONFIG_TARGET_OPTIMIZATION
))
58 export EXTRA_OPTIMIZATION
:=$(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-
$(GNU_TARGET_NAME
)
121 PACKAGE_DIR
:=$(BIN_DIR
)/packages
122 BUILD_DIR
:=$(BUILD_DIR_BASE
)/$(TARGET_DIR_NAME
)
123 STAGING_DIR
:=$(TOPDIR
)/staging_dir
/$(TARGET_DIR_NAME
)
124 BUILD_DIR_TOOLCHAIN
:=$(BUILD_DIR_BASE
)/$(TOOLCHAIN_DIR_NAME
)
125 TOOLCHAIN_DIR
:=$(TOPDIR
)/staging_dir
/$(TOOLCHAIN_DIR_NAME
)
126 STAMP_DIR
:=$(BUILD_DIR
)/stamp
127 STAMP_DIR_HOST
=$(BUILD_DIR_HOST
)/stamp
128 TARGET_ROOTFS_DIR?
=$(if
$(call qstrip
,$(CONFIG_TARGET_ROOTFS_DIR
)),$(call qstrip
,$(CONFIG_TARGET_ROOTFS_DIR
)),$(BUILD_DIR
))
129 TARGET_DIR
:=$(TARGET_ROOTFS_DIR
)/root-
$(BOARD
)
130 STAGING_DIR_ROOT
:=$(STAGING_DIR
)/root-
$(BOARD
)
131 BUILD_LOG_DIR
:=$(TOPDIR
)/logs
132 PKG_INFO_DIR
:= $(STAGING_DIR
)/pkginfo
134 BUILD_DIR_HOST
:=$(if
$(IS_PACKAGE_BUILD
),$(BUILD_DIR
)/host
,$(BUILD_DIR_BASE
)/host
)
135 STAGING_DIR_HOST
:=$(TOPDIR
)/staging_dir
/host
137 TARGET_PATH
:=$(subst $(space
),:,$(filter-out .
,$(filter-out .
/,$(subst :,$(space
),$(PATH
)))))
138 TARGET_CFLAGS
:=$(TARGET_OPTIMIZATION
)$(if
$(CONFIG_DEBUG
), -g3
) $(EXTRA_OPTIMIZATION
)
139 TARGET_CXXFLAGS
= $(TARGET_CFLAGS
)
140 TARGET_ASFLAGS_DEFAULT
= $(TARGET_CFLAGS
)
141 TARGET_ASFLAGS
= $(TARGET_ASFLAGS_DEFAULT
)
142 TARGET_CPPFLAGS
:=-I
$(STAGING_DIR
)/usr
/include -I
$(STAGING_DIR
)/include
143 TARGET_LDFLAGS
:=-L
$(STAGING_DIR
)/usr
/lib
-L
$(STAGING_DIR
)/lib
144 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
145 LIBGCC_S_PATH
=$(realpath
$(wildcard $(call qstrip
,$(CONFIG_LIBGCC_ROOT_DIR
))/$(call qstrip
,$(CONFIG_LIBGCC_FILE_SPEC
))))
146 LIBGCC_S
=$(if
$(LIBGCC_S_PATH
),-L
$(dir $(LIBGCC_S_PATH
)) -lgcc_s
)
147 LIBGCC_A
=$(realpath
$(lastword
$(wildcard $(dir $(LIBGCC_S_PATH
))/gcc
/*/*/libgcc.a
)))
149 LIBGCC_A
=$(lastword
$(wildcard $(TOOLCHAIN_DIR
)/lib
/gcc
/*/*/libgcc.a
))
150 LIBGCC_S
=$(if
$(wildcard $(TOOLCHAIN_DIR
)/lib
/libgcc_s.so
),-L
$(TOOLCHAIN_DIR
)/lib
-lgcc_s
,$(LIBGCC_A
))
153 LIBRPC_DEPENDS
=+librpc
155 ifeq ($(CONFIG_ARCH_64BIT
),y
)
160 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
161 -include $(TOOLCHAIN_DIR
)/info.mk
162 export GCC_HONOUR_COPTS
:=0
163 TARGET_CROSS
:=$(if
$(TARGET_CROSS
),$(TARGET_CROSS
),$(OPTIMIZE_FOR_CPU
)-openwrt-linux
$(if
$(TARGET_SUFFIX
),-$(TARGET_SUFFIX
))-)
164 TARGET_CFLAGS
+= -fhonour-copts
-Wno-error
=unused-but-set-variable
-Wno-error
=unused-result
165 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/usr
/include
166 ifeq ($(CONFIG_USE_MUSL
),y
)
167 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/include/fortify
169 TARGET_CPPFLAGS
+= -I
$(TOOLCHAIN_DIR
)/include
170 TARGET_LDFLAGS
+= -L
$(TOOLCHAIN_DIR
)/usr
/lib
-L
$(TOOLCHAIN_DIR
)/lib
171 TARGET_PATH
:=$(TOOLCHAIN_DIR
)/bin
:$(TARGET_PATH
)
173 ifeq ($(CONFIG_NATIVE_TOOLCHAIN
),)
174 TARGET_CROSS
:=$(call qstrip
,$(CONFIG_TOOLCHAIN_PREFIX
))
175 TOOLCHAIN_ROOT_DIR
:=$(call qstrip
,$(CONFIG_TOOLCHAIN_ROOT
))
176 TOOLCHAIN_BIN_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_BIN_PATH
)))
177 TOOLCHAIN_INC_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_INC_PATH
)))
178 TOOLCHAIN_LIB_DIRS
:=$(patsubst .
/%,$(TOOLCHAIN_ROOT_DIR
)/%,$(call qstrip
,$(CONFIG_TOOLCHAIN_LIB_PATH
)))
179 ifneq ($(TOOLCHAIN_BIN_DIRS
),)
180 TARGET_PATH
:=$(subst $(space
),:,$(TOOLCHAIN_BIN_DIRS
)):$(TARGET_PATH
)
182 ifneq ($(TOOLCHAIN_INC_DIRS
),)
183 TARGET_CPPFLAGS
+= $(patsubst %,-I
%,$(TOOLCHAIN_INC_DIRS
))
185 ifneq ($(TOOLCHAIN_LIB_DIRS
),)
186 TARGET_LDFLAGS
+= $(patsubst %,-L
%,$(TOOLCHAIN_LIB_DIRS
))
188 TARGET_PATH
:=$(TOOLCHAIN_DIR
)/bin
:$(TARGET_PATH
)
192 TARGET_PATH_PKG
:=$(STAGING_DIR
)/host
/bin
:$(TARGET_PATH
)
194 ifeq ($(CONFIG_SOFT_FLOAT
),y
)
195 SOFT_FLOAT_CONFIG_OPTION
:=--with-float
=soft
196 ifeq ($(CONFIG_arm
),y
)
197 TARGET_CFLAGS
+= -mfloat-abi
=soft
199 TARGET_CFLAGS
+= -msoft-float
202 SOFT_FLOAT_CONFIG_OPTION
:=
203 ifeq ($(CONFIG_arm
),y
)
204 TARGET_CFLAGS
+= -mfloat-abi
=hard
208 export PATH
:=$(TARGET_PATH
)
209 export STAGING_DIR STAGING_DIR_HOST
210 export SH_FUNC
:=.
$(INCLUDE_DIR
)/shell.sh
;
212 PKG_CONFIG
:=$(STAGING_DIR_HOST
)/bin
/pkg-config
218 HOST_CPPFLAGS
:=-I
$(STAGING_DIR_HOST
)/include -I
$(STAGING_DIR_HOST
)/usr
/include $(if
$(IS_PACKAGE_BUILD
),-I
$(STAGING_DIR
)/host
/include)
219 HOST_CFLAGS
:=-O2
$(HOST_CPPFLAGS
)
220 HOST_LDFLAGS
:=-L
$(STAGING_DIR_HOST
)/lib
-L
$(STAGING_DIR_HOST
)/usr
/lib
$(if
$(IS_PACKAGE_BUILD
),-L
$(STAGING_DIR
)/host
/lib
)
222 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN
),)
223 TARGET_AR
:=$(TARGET_CROSS
)gcc-ar
224 TARGET_RANLIB
:=$(TARGET_CROSS
)gcc-ranlib
225 TARGET_NM
:=$(TARGET_CROSS
)gcc-nm
227 TARGET_AR
:=$(TARGET_CROSS
)ar
228 TARGET_RANLIB
:=$(TARGET_CROSS
)ranlib
229 TARGET_NM
:=$(TARGET_CROSS
)nm
232 BUILD_KEY
=$(TOPDIR
)/key-build
234 TARGET_CC
:=$(TARGET_CROSS
)gcc
235 TARGET_CXX
:=$(TARGET_CROSS
)g
++
236 KPATCH
:=$(SCRIPT_DIR
)/patch-kernel.sh
237 SED
:=$(STAGING_DIR_HOST
)/bin
/sed
-i
-e
248 INSTALL_BIN
:=install -m0755
249 INSTALL_DIR
:=install -d
-m0755
250 INSTALL_DATA
:=install -m0644
251 INSTALL_CONF
:=install -m0600
253 TARGET_CC_NOCACHE
:=$(TARGET_CC
)
254 TARGET_CXX_NOCACHE
:=$(TARGET_CXX
)
255 HOSTCC_NOCACHE
:=$(HOSTCC
)
256 HOSTCXX_NOCACHE
:=$(HOSTCXX
)
257 export TARGET_CC_NOCACHE
258 export TARGET_CXX_NOCACHE
259 export HOSTCC_NOCACHE
261 ifneq ($(CONFIG_CCACHE
),)
262 TARGET_CC
:= ccache_cc
263 TARGET_CXX
:= ccache_cxx
264 HOSTCC
:= ccache
$(HOSTCC
)
265 HOSTCXX
:= ccache
$(HOSTCXX
)
268 TARGET_CONFIGURE_OPTS
= \
270 AS
="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
271 LD
=$(TARGET_CROSS
)ld \
275 CXX
="$(TARGET_CXX)" \
276 RANLIB
="$(TARGET_RANLIB)" \
277 STRIP
=$(TARGET_CROSS
)strip \
278 OBJCOPY
=$(TARGET_CROSS
)objcopy \
279 OBJDUMP
=$(TARGET_CROSS
)objdump \
280 SIZE
=$(TARGET_CROSS
)size
282 # strip an entire directory
283 ifneq ($(CONFIG_NO_STRIP
),)
287 ifneq ($(CONFIG_USE_STRIP
),)
288 STRIP
:=$(TARGET_CROSS
)strip $(call qstrip
,$(CONFIG_STRIP_ARGS
))
290 ifneq ($(CONFIG_USE_SSTRIP
),)
291 STRIP
:=$(STAGING_DIR_HOST
)/bin
/sstrip
295 export CROSS
="$(TARGET_CROSS)" \
296 $(if
$(PKG_BUILD_ID
),KEEP_BUILD_ID
=1) \
297 $(if
$(CONFIG_KERNEL_KALLSYMS
),NO_RENAME
=1) \
298 $(if
$(CONFIG_KERNEL_PROFILING
),KEEP_SYMBOLS
=1); \
299 NM
="$(TARGET_CROSS)nm" \
301 STRIP_KMOD
="$(SCRIPT_DIR)/strip-kmod.sh" \
302 PATCHELF
="$(STAGING_DIR_HOST)/bin/patchelf" \
303 $(SCRIPT_DIR
)/rstrip.sh
306 ifeq ($(CONFIG_IPV6
),y
)
309 DISABLE_IPV6
:=--disable-ipv6
314 ifeq ($(CONFIG_BUILD_LOG
),y
)
318 export BISON_PKGDATADIR
:=$(STAGING_DIR_HOST
)/share
/bison
319 export M4
:=$(STAGING_DIR_HOST
)/bin
/m4
322 V_
$(subst .
,_
,$(subst -,_
,$(subst /,_
,$(1))))
326 export $(call shvar
,$(1))=$$(call
$(1))
330 $(eval
-include $(if
$(DUMP
),,$(STAGING_DIR
)/mk
/$(strip $(1))))
333 # Execute commands under flock
334 # $(1) => The shell expression.
335 # $(2) => The lock name. If not given, the global lock will be used.
338 $(STAGING_DIR_HOST
)/bin
/flock \
339 $(TMP_DIR
)/.
$(if
$(2),$(strip $(2)),global
).flock \
340 -c
'$(subst ','\'',$(1))'
343 # Recursively copy paths into another directory, purge dangling
345 # $(1) => File glob expression
346 # $(2) => Destination directory
348 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
349 ( cd $$src_dir; find -type f -or -type d ) | \
350 ( cd $(2); while :; do \
352 [ -z "$$FILE" ] && break; \
353 [ -L "$$FILE" ] || continue; \
354 echo "Removing symlink $(2)/$$FILE"; \
362 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
369 @$(if $(filter undefined,$(origin $*)),\
370 echo "$* undefined" >&2, \
371 echo '$(subst ','"'"',$($*))' \
375 @
$(if
$(filter undefined
,$(origin $*)),\
376 echo
"$* undefined" >&2, \
377 echo
"$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \