kernel: add garmin_gps module
[openwrt/openwrt.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) $(empty)
24 comma:=,
25 merge=$(subst $(space),,$(1))
26 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
27 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
28
29 define sep
30
31 endef
32
33 define newline
34
35
36 endef
37
38 _SINGLE=export MAKEFLAGS=$(space);
39 CFLAGS:=
40 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
41 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
42 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
43 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
44 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
45 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
46 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
47 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
48 export SHELL:=/usr/bin/env bash
49
50 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
51
52 ifeq ($(ARCH),powerpc)
53 FPIC:=-fPIC
54 else
55 FPIC:=-fpic
56 endif
57
58 HOST_FPIC:=-fPIC
59
60 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
61 GCC_ARCH:=
62
63 ifneq ($(ARCH_SUFFIX),)
64 ARCH_SUFFIX:=_$(ARCH_SUFFIX)
65 endif
66 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
67 GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
68 endif
69 ifdef CONFIG_HAS_SPE_FPU
70 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
71 endif
72 ifdef CONFIG_MIPS64_ABI
73 ifneq ($(CONFIG_MIPS64_ABI_O32),y)
74 ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
75 endif
76 endif
77
78 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
79 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
80 INCLUDE_DIR:=$(TOPDIR)/include
81 SCRIPT_DIR:=$(TOPDIR)/scripts
82 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
83 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
84 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
85 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
86 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
87 LIBC:=$(call qstrip,$(CONFIG_LIBC))
88 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
89 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
90 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
91 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
92 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
93 TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
94 TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
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=$(GNU_TARGET_NAME)
102 TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
103 TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
104 endif
105
106 PACKAGE_DIR:=$(BIN_DIR)/packages
107 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
108 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
109 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
110 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
111 STAMP_DIR:=$(BUILD_DIR)/stamp
112 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
113 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
114 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
115 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
116 BUILD_LOG_DIR:=$(TOPDIR)/logs
117 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
118
119 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
120 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
121 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
122 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
123 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
124 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
125 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
126 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
127 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
128 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
129 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
130 else
131 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
132 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
133 endif
134 LIBRPC=-lrpc
135 LIBRPC_DEPENDS=+librpc
136
137 ifeq ($(CONFIG_ARCH_64BIT),y)
138 LIB_SUFFIX:=64
139 endif
140
141 ifndef DUMP
142 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
143 -include $(TOOLCHAIN_DIR)/info.mk
144 export GCC_HONOUR_COPTS:=0
145 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
146 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
147 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
148 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
149 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
150 else
151 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
152 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
153 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
154 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
155 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
156 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
157 ifneq ($(TOOLCHAIN_BIN_DIRS),)
158 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
159 endif
160 ifneq ($(TOOLCHAIN_INC_DIRS),)
161 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
162 endif
163 ifneq ($(TOOLCHAIN_LIB_DIRS),)
164 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
165 endif
166 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
167 endif
168 endif
169 endif
170 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
171
172 ifeq ($(CONFIG_SOFT_FLOAT),y)
173 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
174 ifeq ($(CONFIG_arm),y)
175 TARGET_CFLAGS+= -mfloat-abi=soft
176 else
177 TARGET_CFLAGS+= -msoft-float
178 endif
179 else
180 SOFT_FLOAT_CONFIG_OPTION:=
181 ifeq ($(CONFIG_arm),y)
182 TARGET_CFLAGS+= -mfloat-abi=hard
183 endif
184 endif
185
186 export PATH:=$(TARGET_PATH)
187 export STAGING_DIR
188 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
189
190 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
191
192 export PKG_CONFIG
193
194 HOSTCC:=gcc
195 HOSTCXX:=g++
196 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
197 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
198 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
199
200 ifeq ($(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_6)$(CONFIG_EXTERNAL_TOOLCHAIN),)
201 TARGET_AR:=$(TARGET_CROSS)gcc-ar
202 TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
203 TARGET_NM:=$(TARGET_CROSS)gcc-nm
204 else
205 TARGET_AR:=$(TARGET_CROSS)ar
206 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
207 TARGET_NM:=$(TARGET_CROSS)nm
208 endif
209
210 TARGET_CC:=$(TARGET_CROSS)gcc
211 TARGET_CXX:=$(TARGET_CROSS)g++
212 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
213 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
214 CP:=cp -fpR
215 LN:=ln -sf
216 XARGS:=xargs -r
217
218 BASH:=bash
219 TAR:=tar
220 FIND:=find
221 PATCH:=patch
222 PYTHON:=python
223
224 INSTALL_BIN:=install -m0755
225 INSTALL_DIR:=install -d -m0755
226 INSTALL_DATA:=install -m0644
227 INSTALL_CONF:=install -m0600
228
229 TARGET_CC_NOCACHE:=$(TARGET_CC)
230 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
231 HOSTCC_NOCACHE:=$(HOSTCC)
232 HOSTCXX_NOCACHE:=$(HOSTCXX)
233 export TARGET_CC_NOCACHE
234 export TARGET_CXX_NOCACHE
235 export HOSTCC_NOCACHE
236
237 ifneq ($(CONFIG_CCACHE),)
238 TARGET_CC:= ccache_cc
239 TARGET_CXX:= ccache_cxx
240 HOSTCC:= ccache $(HOSTCC)
241 HOSTCXX:= ccache $(HOSTCXX)
242 endif
243
244 TARGET_CONFIGURE_OPTS = \
245 AR="$(TARGET_AR)" \
246 AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
247 LD=$(TARGET_CROSS)ld \
248 NM="$(TARGET_NM)" \
249 CC="$(TARGET_CC)" \
250 GCC="$(TARGET_CC)" \
251 CXX="$(TARGET_CXX)" \
252 RANLIB="$(TARGET_RANLIB)" \
253 STRIP=$(TARGET_CROSS)strip \
254 OBJCOPY=$(TARGET_CROSS)objcopy \
255 OBJDUMP=$(TARGET_CROSS)objdump \
256 SIZE=$(TARGET_CROSS)size
257
258 # strip an entire directory
259 ifneq ($(CONFIG_NO_STRIP),)
260 RSTRIP:=:
261 STRIP:=:
262 else
263 ifneq ($(CONFIG_USE_STRIP),)
264 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
265 else
266 ifneq ($(CONFIG_USE_SSTRIP),)
267 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
268 endif
269 endif
270 RSTRIP:= \
271 export CROSS="$(TARGET_CROSS)" \
272 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
273 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
274 NM="$(TARGET_CROSS)nm" \
275 STRIP="$(STRIP)" \
276 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
277 PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
278 $(SCRIPT_DIR)/rstrip.sh
279 endif
280
281 ifeq ($(CONFIG_IPV6),y)
282 DISABLE_IPV6:=
283 else
284 DISABLE_IPV6:=--disable-ipv6
285 endif
286
287 TAR_OPTIONS:=-xf -
288
289 ifeq ($(CONFIG_BUILD_LOG),y)
290 BUILD_LOG:=1
291 endif
292
293 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
294 export M4:=$(STAGING_DIR_HOST)/bin/m4
295
296 define shvar
297 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
298 endef
299
300 define shexport
301 export $(call shvar,$(1))=$$(call $(1))
302 endef
303
304 define include_mk
305 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
306 endef
307
308 # Execute commands under flock
309 # $(1) => The shell expression.
310 # $(2) => The lock name. If not given, the global lock will be used.
311 define locked
312 SHELL= \
313 $(STAGING_DIR_HOST)/bin/flock \
314 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
315 -c '$(subst ','\'',$(1))'
316 endef
317
318 # Recursively copy paths into another directory, purge dangling
319 # symlinks before.
320 # $(1) => File glob expression
321 # $(2) => Destination directory
322 define file_copy
323 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
324 ( cd $$src_dir; find -type f -or -type d ) | \
325 ( cd $(2); while :; do \
326 read FILE; \
327 [ -z "$$FILE" ] && break; \
328 [ -L "$$FILE" ] || continue; \
329 echo "Removing symlink $(2)/$$FILE"; \
330 rm -f "$$FILE"; \
331 done; ); \
332 done; \
333 $(CP) $(1) $(2)
334 endef
335
336 # file extension
337 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
338
339 all:
340 FORCE: ;
341 .PHONY: FORCE
342
343 val.%:
344 @$(if $(filter undefined,$(origin $*)),\
345 echo "$* undefined" >&2, \
346 echo '$(subst ','"'"',$($*))' \
347 )
348
349 var.%:
350 @$(if $(filter undefined,$(origin $*)),\
351 echo "$* undefined" >&2, \
352 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
353 )
354
355 endif #__rules_inc