imagebuilder: bundle dtc (#12953, #14741)
[openwrt/svn-archive/archive.git] / rules.mk
1 #
2 # Copyright (C) 2006-2010 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 ifneq ($(__rules_inc),1)
9 __rules_inc=1
10
11 ifeq ($(DUMP),)
12 -include $(TOPDIR)/.config
13 endif
14 include $(TOPDIR)/include/debug.mk
15 include $(TOPDIR)/include/verbose.mk
16
17 export TMP_DIR:=$(TOPDIR)/tmp
18
19 qstrip=$(strip $(subst ",,$(1)))
20 #"))
21
22 empty:=
23 space:= $(empty) $(empty)
24 merge=$(subst $(space),,$(1))
25 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
26 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
27
28 define sep
29
30 endef
31
32 _SINGLE=export MAKEFLAGS=$(space);
33 CFLAGS:=
34 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
35 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
36 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
37 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
38 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
39 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
40 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
41 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
42 export SHELL:=/usr/bin/env bash
43
44 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
45
46 ifeq ($(ARCH),powerpc)
47 FPIC:=-fPIC
48 else
49 FPIC:=-fpic
50 endif
51
52 HOST_FPIC:=-fPIC
53
54 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
55 GCC_ARCH:=
56
57 ifneq ($(ARCH_SUFFIX),)
58 ARCH_SUFFIX:=_$(ARCH_SUFFIX)
59 endif
60 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
61 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
62 endif
63 ifdef CONFIG_HAS_SPE_FPU
64 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
65 endif
66 ifdef CONFIG_MIPS64_ABI
67 ifneq ($(CONFIG_MIPS64_ABI_O32),y)
68 ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
69 endif
70 endif
71
72 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
73 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
74 INCLUDE_DIR:=$(TOPDIR)/include
75 SCRIPT_DIR:=$(TOPDIR)/scripts
76 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
77 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
78 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
79 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
80 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
81 LIBC:=$(call qstrip,$(CONFIG_LIBC))
82 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
83 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
84 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
85 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
86 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
87 TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
88 TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
89 else
90 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
91 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
92 else
93 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
94 endif
95 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
96 TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
97 TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
98 endif
99
100 PACKAGE_DIR:=$(BIN_DIR)/packages
101 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
102 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
103 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
104 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
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
111 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
112
113 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
114 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
115 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
116 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
117 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
118 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
119 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
120 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
121 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
122 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
123 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
124 else
125 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
126 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
127 endif
128 LIBRPC=-lrpc
129 LIBRPC_DEPENDS=+librpc
130
131 ifeq ($(CONFIG_ARCH_64BIT),y)
132 LIB_SUFFIX:=64
133 endif
134
135 ifndef DUMP
136 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
137 -include $(TOOLCHAIN_DIR)/info.mk
138 export GCC_HONOUR_COPTS:=0
139 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
140 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
141 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
142 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
143 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
144 else
145 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
146 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
147 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
148 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
149 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
150 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
151 ifneq ($(TOOLCHAIN_BIN_DIRS),)
152 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
153 endif
154 ifneq ($(TOOLCHAIN_INC_DIRS),)
155 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
156 endif
157 ifneq ($(TOOLCHAIN_LIB_DIRS),)
158 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
159 endif
160 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
161 endif
162 endif
163 endif
164 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
165
166 ifeq ($(CONFIG_SOFT_FLOAT),y)
167 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
168 ifeq ($(CONFIG_arm),y)
169 TARGET_CFLAGS+= -mfloat-abi=soft
170 else
171 TARGET_CFLAGS+= -msoft-float
172 endif
173 else
174 SOFT_FLOAT_CONFIG_OPTION:=
175 ifeq ($(CONFIG_arm),y)
176 TARGET_CFLAGS+= -mfloat-abi=hard
177 endif
178 endif
179
180 export PATH:=$(TARGET_PATH)
181 export STAGING_DIR
182 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
183
184 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
185
186 export PKG_CONFIG
187
188 HOSTCC:=gcc
189 HOSTCXX:=g++
190 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
191 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
192 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
193
194 TARGET_CC:=$(TARGET_CROSS)gcc
195 TARGET_AR:=$(TARGET_CROSS)ar
196 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
197 TARGET_CXX:=$(TARGET_CROSS)g++
198 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
199 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
200 CP:=cp -fpR
201 LN:=ln -sf
202 XARGS:=xargs -r
203
204 INSTALL_BIN:=install -m0755
205 INSTALL_DIR:=install -d -m0755
206 INSTALL_DATA:=install -m0644
207 INSTALL_CONF:=install -m0600
208
209 TARGET_CC_NOCACHE:=$(TARGET_CC)
210 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
211 HOSTCC_NOCACHE:=$(HOSTCC)
212 HOSTCXX_NOCACHE:=$(HOSTCXX)
213 export TARGET_CC_NOCACHE
214 export TARGET_CXX_NOCACHE
215 export HOSTCC_NOCACHE
216
217 ifneq ($(CONFIG_CCACHE),)
218 TARGET_CC:= ccache_cc
219 TARGET_CXX:= ccache_cxx
220 HOSTCC:= ccache $(HOSTCC)
221 HOSTCXX:= ccache $(HOSTCXX)
222 endif
223
224 TARGET_CONFIGURE_OPTS = \
225 AR=$(TARGET_CROSS)ar \
226 AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
227 LD=$(TARGET_CROSS)ld \
228 NM=$(TARGET_CROSS)nm \
229 CC="$(TARGET_CC)" \
230 GCC="$(TARGET_CC)" \
231 CXX="$(TARGET_CXX)" \
232 RANLIB=$(TARGET_CROSS)ranlib \
233 STRIP=$(TARGET_CROSS)strip \
234 OBJCOPY=$(TARGET_CROSS)objcopy \
235 OBJDUMP=$(TARGET_CROSS)objdump \
236 SIZE=$(TARGET_CROSS)size
237
238 # strip an entire directory
239 ifneq ($(CONFIG_NO_STRIP),)
240 RSTRIP:=:
241 STRIP:=:
242 else
243 ifneq ($(CONFIG_USE_STRIP),)
244 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
245 else
246 ifneq ($(CONFIG_USE_SSTRIP),)
247 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
248 endif
249 endif
250 RSTRIP:= \
251 export CROSS="$(TARGET_CROSS)" \
252 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
253 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
254 NM="$(TARGET_CROSS)nm" \
255 STRIP="$(STRIP)" \
256 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
257 $(SCRIPT_DIR)/rstrip.sh
258 endif
259
260 ifeq ($(CONFIG_IPV6),y)
261 DISABLE_IPV6:=
262 else
263 DISABLE_IPV6:=--disable-ipv6
264 endif
265
266 TAR_OPTIONS:=-xf -
267
268 ifeq ($(CONFIG_BUILD_LOG),y)
269 BUILD_LOG:=1
270 endif
271
272 define shvar
273 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
274 endef
275
276 define shexport
277 $(call shvar,$(1))=$$(call $(1))
278 export $(call shvar,$(1))
279 endef
280
281 define include_mk
282 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
283 endef
284
285 # Execute commands under flock
286 # $(1) => The shell expression.
287 # $(2) => The lock name. If not given, the global lock will be used.
288 define locked
289 SHELL= \
290 $(STAGING_DIR_HOST)/bin/flock \
291 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
292 -c '$(subst ','\'',$(1))'
293 endef
294
295 # Recursively copy paths into another directory, purge dangling
296 # symlinks before.
297 # $(1) => File glob expression
298 # $(2) => Destination directory
299 define file_copy
300 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
301 ( cd $$src_dir; find -type f -or -type d ) | \
302 ( cd $(2); while :; do \
303 read FILE; \
304 [ -z "$$FILE" ] && break; \
305 [ -L "$$FILE" ] || continue; \
306 echo "Removing symlink $(2)/$$FILE"; \
307 rm -f "$$FILE"; \
308 done; ); \
309 done; \
310 $(CP) $(1) $(2)
311 endef
312
313 # file extension
314 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
315
316 all:
317 FORCE: ;
318 .PHONY: FORCE
319
320 val.%:
321 @$(if $(filter undefined,$(origin $*)),\
322 echo "$* undefined" >&2, \
323 echo '$(subst ','"'"',$($*))' \
324 )
325
326 var.%:
327 @$(if $(filter undefined,$(origin $*)),\
328 echo "$* undefined" >&2, \
329 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
330 )
331
332 endif #__rules_inc