[kernel] disable crashlog on ARM platforms for the moment
[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%,$(TARGET_OPTIMIZATION)))
62 endif
63 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
64 ARCH_SUFFIX:=_r2
65 endif
66 ifdef CONFIG_HAS_SPE_FPU
67 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
68 endif
69
70 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
71 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
72 INCLUDE_DIR:=$(TOPDIR)/include
73 SCRIPT_DIR:=$(TOPDIR)/scripts
74 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
75 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
76 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
77 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
78 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
79 LIBC:=$(call qstrip,$(CONFIG_LIBC))
80 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
81 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
82 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
83 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
84 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
85 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
86 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
87 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
88 PACKAGE_DIR:=$(BIN_DIR)/packages
89 else
90 ifeq ($(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 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
97 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
98 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
99 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
100 PACKAGE_DIR:=$(BIN_DIR)/packages
101 endif
102 STAMP_DIR:=$(BUILD_DIR)/stamp
103 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
104 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
105 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
106 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
107 BUILD_LOG_DIR:=$(TOPDIR)/logs
108
109 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
110 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
111 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
112 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
113 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
114 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
115 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
116 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
117 LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))
118 else
119 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
120 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
121 endif
122 LIBRPC=-lrpc
123 LIBRPC_DEPENDS=+librpc
124
125 ifndef DUMP
126 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
127 -include $(TOOLCHAIN_DIR)/info.mk
128 export GCC_HONOUR_COPTS:=0
129 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
130 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
131 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
132 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
133 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
134 else
135 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
136 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
137 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
138 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
139 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
140 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
141 ifneq ($(TOOLCHAIN_BIN_DIRS),)
142 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
143 endif
144 ifneq ($(TOOLCHAIN_INC_DIRS),)
145 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
146 endif
147 ifneq ($(TOOLCHAIN_LIB_DIRS),)
148 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
149 endif
150 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
151 endif
152 endif
153 endif
154 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
155
156 ifeq ($(CONFIG_SOFT_FLOAT),y)
157 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
158 TARGET_CFLAGS+= -msoft-float
159 else
160 SOFT_FLOAT_CONFIG_OPTION:=
161 endif
162
163 export PATH:=$(TARGET_PATH)
164 export STAGING_DIR
165 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
166
167 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
168
169 export PKG_CONFIG
170
171 HOSTCC:=gcc
172 HOSTCC_NOCACHE:=$(HOSTCC)
173 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
174 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
175
176 TARGET_CC:=$(TARGET_CROSS)gcc
177 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
178 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
179 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
180 CP:=cp -fpR
181 LN:=ln -sf
182
183 INSTALL_BIN:=install -m0755
184 INSTALL_DIR:=install -d -m0755
185 INSTALL_DATA:=install -m0644
186 INSTALL_CONF:=install -m0600
187
188 TARGET_CC_NOCACHE:=$(TARGET_CC)
189 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
190 HOSTCC_NOCACHE:=$(HOSTCC)
191 export TARGET_CC_NOCACHE
192 export TARGET_CXX_NOCACHE
193 export HOSTCC_NOCACHE
194
195 ifneq ($(CONFIG_CCACHE),)
196 TARGET_CC:= ccache_cc
197 TARGET_CXX:= ccache_cxx
198 HOSTCC:= ccache $(HOSTCC)
199 endif
200
201 TARGET_CONFIGURE_OPTS = \
202 AR=$(TARGET_CROSS)ar \
203 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
204 LD=$(TARGET_CROSS)ld \
205 NM=$(TARGET_CROSS)nm \
206 CC="$(TARGET_CC)" \
207 GCC="$(TARGET_CC)" \
208 CXX="$(TARGET_CXX)" \
209 RANLIB=$(TARGET_CROSS)ranlib \
210 STRIP=$(TARGET_CROSS)strip \
211 OBJCOPY=$(TARGET_CROSS)objcopy \
212 OBJDUMP=$(TARGET_CROSS)objdump \
213 SIZE=$(TARGET_CROSS)size
214
215 # strip an entire directory
216 ifneq ($(CONFIG_NO_STRIP),)
217 RSTRIP:=:
218 STRIP:=:
219 else
220 ifneq ($(CONFIG_USE_STRIP),)
221 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
222 else
223 ifneq ($(CONFIG_USE_SSTRIP),)
224 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
225 endif
226 endif
227 RSTRIP:= \
228 export CROSS="$(TARGET_CROSS)" \
229 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
230 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
231 NM="$(TARGET_CROSS)nm" \
232 STRIP="$(STRIP)" \
233 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
234 $(SCRIPT_DIR)/rstrip.sh
235 endif
236
237 ifeq ($(CONFIG_ENABLE_LOCALE),true)
238 DISABLE_NLS:=--enable-nls
239 else
240 DISABLE_NLS:=--disable-nls
241 endif
242
243 ifeq ($(CONFIG_IPV6),y)
244 DISABLE_IPV6:=
245 else
246 DISABLE_IPV6:=--disable-ipv6
247 endif
248
249 ifeq ($(CONFIG_TAR_VERBOSITY),y)
250 TAR_OPTIONS:=-xvf -
251 else
252 TAR_OPTIONS:=-xf -
253 endif
254
255 ifeq ($(CONFIG_BUILD_LOG),y)
256 BUILD_LOG:=1
257 endif
258
259 define shvar
260 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
261 endef
262
263 define shexport
264 $(call shvar,$(1))=$$(call $(1))
265 export $(call shvar,$(1))
266 endef
267
268 define include_mk
269 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
270 endef
271
272 # Execute commands under flock
273 # $(1) => The shell expression.
274 # $(2) => The lock name. If not given, the global lock will be used.
275 define locked
276 SHELL= \
277 $(STAGING_DIR_HOST)/bin/flock \
278 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
279 -c '$(subst ','\'',$(1))'
280 endef
281
282 # file extension
283 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
284
285 all:
286 FORCE: ;
287 .PHONY: FORCE
288
289 val.%:
290 @$(if $(filter undefined,$(origin $*)),\
291 echo "$* undefined" >&2, \
292 echo '$(subst ','"'"',$($*))' \
293 )
294
295 var.%:
296 @$(if $(filter undefined,$(origin $*)),\
297 echo "$* undefined" >&2, \
298 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
299 )
300
301 endif #__rules_inc