ar71xx: build image for the WD My Net Wi-Fi Range Extender
[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 GREP_OPTIONS=
20 export GREP_OPTIONS
21
22 qstrip=$(strip $(subst ",,$(1)))
23 #"))
24
25 empty:=
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))
30
31 define sep
32
33 endef
34
35 _SINGLE=export MAKEFLAGS=$(space);
36 CFLAGS:=
37 ARCH:=$(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 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
42 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
43 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
44 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
45 export SHELL:=/usr/bin/env bash
46
47 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
48
49 ifeq ($(ARCH),powerpc)
50 FPIC:=-fPIC
51 else
52 FPIC:=-fpic
53 endif
54
55 HOST_FPIC:=-fPIC
56
57 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
58 GCC_ARCH:=
59
60 ifneq ($(ARCH_SUFFIX),)
61 ARCH_SUFFIX:=_$(ARCH_SUFFIX)
62 endif
63 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
64 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
65 endif
66 ifdef CONFIG_HAS_SPE_FPU
67 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
68 endif
69 ifdef CONFIG_MIPS64_ABI
70 ifneq ($(CONFIG_MIPS64_ABI_O32),y)
71 ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
72 endif
73 endif
74
75 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
76 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
77 INCLUDE_DIR:=$(TOPDIR)/include
78 SCRIPT_DIR:=$(TOPDIR)/scripts
79 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
80 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
81 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
82 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
83 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
84 LIBC:=$(call qstrip,$(CONFIG_LIBC))
85 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
86 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
87 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
88 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
89 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
90 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
91 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
92 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
93 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
94 PACKAGE_DIR:=$(BIN_DIR)/packages
95 else
96 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
97 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
98 else
99 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
100 endif
101 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
102 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
103 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
104 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
105 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
106 PACKAGE_DIR:=$(BIN_DIR)/packages
107 endif
108 STAMP_DIR:=$(BUILD_DIR)/stamp
109 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
110 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
111 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
112 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
113 BUILD_LOG_DIR:=$(TOPDIR)/logs
114 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
115
116 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
117 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
118 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
119 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
120 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
121 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
122 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
123 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
124 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
125 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
126 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
127 else
128 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
129 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
130 endif
131 LIBRPC=-lrpc
132 LIBRPC_DEPENDS=+librpc
133
134 ifeq ($(CONFIG_ARCH_64BIT),y)
135 LIB_SUFFIX:=64
136 endif
137
138 ifndef DUMP
139 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
140 -include $(TOOLCHAIN_DIR)/info.mk
141 export GCC_HONOUR_COPTS:=0
142 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
143 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
144 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
145 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
146 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
147 else
148 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
149 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
150 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
151 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
152 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
153 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
154 ifneq ($(TOOLCHAIN_BIN_DIRS),)
155 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
156 endif
157 ifneq ($(TOOLCHAIN_INC_DIRS),)
158 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
159 endif
160 ifneq ($(TOOLCHAIN_LIB_DIRS),)
161 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
162 endif
163 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
164 endif
165 endif
166 endif
167 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
168
169 ifeq ($(CONFIG_SOFT_FLOAT),y)
170 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
171 TARGET_CFLAGS+= -msoft-float
172 else
173 SOFT_FLOAT_CONFIG_OPTION:=
174 endif
175
176 export PATH:=$(TARGET_PATH)
177 export STAGING_DIR
178 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
179
180 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
181
182 export PKG_CONFIG
183
184 HOSTCC:=gcc
185 HOSTCXX:=g++
186 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
187 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
188 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
189
190 TARGET_CC:=$(TARGET_CROSS)gcc
191 TARGET_AR:=$(TARGET_CROSS)ar
192 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
193 TARGET_CXX:=$(TARGET_CROSS)g++
194 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
195 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
196 CP:=cp -fpR
197 LN:=ln -sf
198 XARGS:=xargs -r
199
200 INSTALL_BIN:=install -m0755
201 INSTALL_DIR:=install -d -m0755
202 INSTALL_DATA:=install -m0644
203 INSTALL_CONF:=install -m0600
204
205 TARGET_CC_NOCACHE:=$(TARGET_CC)
206 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
207 HOSTCC_NOCACHE:=$(HOSTCC)
208 HOSTCXX_NOCACHE:=$(HOSTCXX)
209 export TARGET_CC_NOCACHE
210 export TARGET_CXX_NOCACHE
211 export HOSTCC_NOCACHE
212
213 ifneq ($(CONFIG_CCACHE),)
214 TARGET_CC:= ccache_cc
215 TARGET_CXX:= ccache_cxx
216 HOSTCC:= ccache $(HOSTCC)
217 HOSTCXX:= ccache $(HOSTCXX)
218 endif
219
220 TARGET_CONFIGURE_OPTS = \
221 AR=$(TARGET_CROSS)ar \
222 AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
223 LD=$(TARGET_CROSS)ld \
224 NM=$(TARGET_CROSS)nm \
225 CC="$(TARGET_CC)" \
226 GCC="$(TARGET_CC)" \
227 CXX="$(TARGET_CXX)" \
228 RANLIB=$(TARGET_CROSS)ranlib \
229 STRIP=$(TARGET_CROSS)strip \
230 OBJCOPY=$(TARGET_CROSS)objcopy \
231 OBJDUMP=$(TARGET_CROSS)objdump \
232 SIZE=$(TARGET_CROSS)size
233
234 # strip an entire directory
235 ifneq ($(CONFIG_NO_STRIP),)
236 RSTRIP:=:
237 STRIP:=:
238 else
239 ifneq ($(CONFIG_USE_STRIP),)
240 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
241 else
242 ifneq ($(CONFIG_USE_SSTRIP),)
243 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
244 endif
245 endif
246 RSTRIP:= \
247 export CROSS="$(TARGET_CROSS)" \
248 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
249 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
250 NM="$(TARGET_CROSS)nm" \
251 STRIP="$(STRIP)" \
252 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
253 $(SCRIPT_DIR)/rstrip.sh
254 endif
255
256 ifeq ($(CONFIG_ENABLE_LOCALE),true)
257 DISABLE_NLS:=--enable-nls
258 else
259 DISABLE_NLS:=--disable-nls
260 endif
261
262 ifeq ($(CONFIG_IPV6),y)
263 DISABLE_IPV6:=
264 else
265 DISABLE_IPV6:=--disable-ipv6
266 endif
267
268 ifeq ($(CONFIG_TAR_VERBOSITY),y)
269 TAR_OPTIONS:=-xvf -
270 else
271 TAR_OPTIONS:=-xf -
272 endif
273
274 ifeq ($(CONFIG_BUILD_LOG),y)
275 BUILD_LOG:=1
276 endif
277
278 define shvar
279 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
280 endef
281
282 define shexport
283 $(call shvar,$(1))=$$(call $(1))
284 export $(call shvar,$(1))
285 endef
286
287 define include_mk
288 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
289 endef
290
291 # Execute commands under flock
292 # $(1) => The shell expression.
293 # $(2) => The lock name. If not given, the global lock will be used.
294 define locked
295 SHELL= \
296 $(STAGING_DIR_HOST)/bin/flock \
297 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
298 -c '$(subst ','\'',$(1))'
299 endef
300
301 # Recursively copy paths into another directory, purge dangling
302 # symlinks before.
303 # $(1) => File glob expression
304 # $(2) => Destination directory
305 define file_copy
306 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
307 ( cd $$src_dir; find -type f -or -type d ) | \
308 ( cd $(2); while :; do \
309 read FILE; \
310 [ -z "$$FILE" ] && break; \
311 [ -L "$$FILE" ] || continue; \
312 echo "Removing symlink $(2)/$$FILE"; \
313 rm -f "$$FILE"; \
314 done; ); \
315 done; \
316 $(CP) $(1) $(2)
317 endef
318
319 # file extension
320 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
321
322 all:
323 FORCE: ;
324 .PHONY: FORCE
325
326 val.%:
327 @$(if $(filter undefined,$(origin $*)),\
328 echo "$* undefined" >&2, \
329 echo '$(subst ','"'"',$($*))' \
330 )
331
332 var.%:
333 @$(if $(filter undefined,$(origin $*)),\
334 echo "$* undefined" >&2, \
335 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
336 )
337
338 endif #__rules_inc