ae7a8407e37564b12aa0186be13de78c9c3b8c8c
[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 $(TOPDIR)/include/verbose.mk
16
17 TMP_DIR:=$(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 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
45
46 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
47
48 ifeq ($(ARCH),powerpc)
49 FPIC:=-fPIC
50 else
51 FPIC:=-fpic
52 endif
53
54 HOST_FPIC:=-fPIC
55
56 ARCH_SUFFIX:=
57 GCC_ARCH:=
58
59 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
60 ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
61 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
62 endif
63 ifneq ($(filter -mips%r2,$(TARGET_OPTIMIZATION)),)
64 ARCH_SUFFIX:=_r2
65 endif
66 ifneq ($(findstring -mips16,$(TARGET_OPTIMIZATION)),)
67 TARGET_ASFLAGS_OVERRIDE:=-mno-mips16
68 endif
69 ifdef CONFIG_HAS_SPE_FPU
70 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
71 endif
72
73 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
74 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
75 INCLUDE_DIR:=$(TOPDIR)/include
76 SCRIPT_DIR:=$(TOPDIR)/scripts
77 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
78 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
79 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
80 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
81 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
82 LIBC:=$(call qstrip,$(CONFIG_LIBC))
83 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
84 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
85 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
86 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
87 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
88 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
89 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
90 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
91 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
92 PACKAGE_DIR:=$(BIN_DIR)/packages
93 else
94 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
95 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
96 else
97 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
98 endif
99 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
100 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
101 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
102 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
103 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
104 PACKAGE_DIR:=$(BIN_DIR)/packages
105 endif
106 STAMP_DIR:=$(BUILD_DIR)/stamp
107 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
108 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
109 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
110 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
111 BUILD_LOG_DIR:=$(TOPDIR)/logs
112 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
113
114 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
115 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
116 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
117 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
118 TARGET_CPPFLAGS:=-I$(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,$(LIBGCC_A))
127 endif
128 LIBRPC=-lrpc
129 LIBRPC_DEPENDS=+librpc
130
131 ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
132 LIB_SUFFIX:=64
133 endif
134
135 ifndef DUMP
136 ifeq ($(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 ($(CONFIG_SOFT_FLOAT),y)
167 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
168 TARGET_CFLAGS+= -msoft-float
169 else
170 SOFT_FLOAT_CONFIG_OPTION:=
171 endif
172
173 export PATH:=$(TARGET_PATH)
174 export STAGING_DIR
175 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
176
177 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
178
179 export PKG_CONFIG
180
181 HOSTCC:=gcc
182 HOSTCXX:=g++
183 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
184 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
185 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
186
187 TARGET_CC:=$(TARGET_CROSS)gcc
188 TARGET_AR:=$(TARGET_CROSS)ar
189 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
190 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
191 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
192 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
193 CP:=cp -fpR
194 LN:=ln -sf
195
196 INSTALL_BIN:=install -m0755
197 INSTALL_DIR:=install -d -m0755
198 INSTALL_DATA:=install -m0644
199 INSTALL_CONF:=install -m0600
200
201 TARGET_CC_NOCACHE:=$(TARGET_CC)
202 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
203 HOSTCC_NOCACHE:=$(HOSTCC)
204 HOSTCXX_NOCACHE:=$(HOSTCXX)
205 export TARGET_CC_NOCACHE
206 export TARGET_CXX_NOCACHE
207 export HOSTCC_NOCACHE
208
209 ifneq ($(CONFIG_CCACHE),)
210 TARGET_CC:= ccache_cc
211 TARGET_CXX:= ccache_cxx
212 HOSTCC:= ccache $(HOSTCC)
213 HOSTCXX:= ccache $(HOSTCXX)
214 endif
215
216 TARGET_CONFIGURE_OPTS = \
217 AR=$(TARGET_CROSS)ar \
218 AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
219 LD=$(TARGET_CROSS)ld \
220 NM=$(TARGET_CROSS)nm \
221 CC="$(TARGET_CC)" \
222 GCC="$(TARGET_CC)" \
223 CXX="$(TARGET_CXX)" \
224 RANLIB=$(TARGET_CROSS)ranlib \
225 STRIP=$(TARGET_CROSS)strip \
226 OBJCOPY=$(TARGET_CROSS)objcopy \
227 OBJDUMP=$(TARGET_CROSS)objdump \
228 SIZE=$(TARGET_CROSS)size
229
230 # strip an entire directory
231 ifneq ($(CONFIG_NO_STRIP),)
232 RSTRIP:=:
233 STRIP:=:
234 else
235 ifneq ($(CONFIG_USE_STRIP),)
236 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
237 else
238 ifneq ($(CONFIG_USE_SSTRIP),)
239 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
240 endif
241 endif
242 RSTRIP:= \
243 export CROSS="$(TARGET_CROSS)" \
244 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
245 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
246 NM="$(TARGET_CROSS)nm" \
247 STRIP="$(STRIP)" \
248 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
249 $(SCRIPT_DIR)/rstrip.sh
250 endif
251
252 ifeq ($(CONFIG_ENABLE_LOCALE),true)
253 DISABLE_NLS:=--enable-nls
254 else
255 DISABLE_NLS:=--disable-nls
256 endif
257
258 ifeq ($(CONFIG_IPV6),y)
259 DISABLE_IPV6:=
260 else
261 DISABLE_IPV6:=--disable-ipv6
262 endif
263
264 ifeq ($(CONFIG_TAR_VERBOSITY),y)
265 TAR_OPTIONS:=-xvf -
266 else
267 TAR_OPTIONS:=-xf -
268 endif
269
270 ifeq ($(CONFIG_BUILD_LOG),y)
271 BUILD_LOG:=1
272 endif
273
274 define shvar
275 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
276 endef
277
278 define shexport
279 $(call shvar,$(1))=$$(call $(1))
280 export $(call shvar,$(1))
281 endef
282
283 define include_mk
284 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
285 endef
286
287 # Execute commands under flock
288 # $(1) => The shell expression.
289 # $(2) => The lock name. If not given, the global lock will be used.
290 define locked
291 SHELL= \
292 $(STAGING_DIR_HOST)/bin/flock \
293 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
294 -c '$(subst ','\'',$(1))'
295 endef
296
297 # Recursively copy paths into another directory, purge dangling
298 # symlinks before.
299 # $(1) => File glob expression
300 # $(2) => Destination directory
301 define file_copy
302 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
303 ( cd $$src_dir; find -type f -or -type d ) | \
304 ( cd $(2); while :; do \
305 read FILE; \
306 [ -z "$$FILE" ] && break; \
307 [ -L "$$FILE" ] || continue; \
308 echo "Removing symlink $(2)/$$FILE"; \
309 rm -f "$$FILE"; \
310 done; ); \
311 done; \
312 $(CP) $(1) $(2)
313 endef
314
315 # file extension
316 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
317
318 all:
319 FORCE: ;
320 .PHONY: FORCE
321
322 val.%:
323 @$(if $(filter undefined,$(origin $*)),\
324 echo "$* undefined" >&2, \
325 echo '$(subst ','"'"',$($*))' \
326 )
327
328 var.%:
329 @$(if $(filter undefined,$(origin $*)),\
330 echo "$* undefined" >&2, \
331 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
332 )
333
334 endif #__rules_inc