rules.mk: MIPS16 builds get a different toolchain
[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 ARCH_SUFFIX:= $(ARCH_SUFFIX)_m16
69 endif
70 ifdef CONFIG_HAS_SPE_FPU
71 TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
72 endif
73
74 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
75 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
76 INCLUDE_DIR:=$(TOPDIR)/include
77 SCRIPT_DIR:=$(TOPDIR)/scripts
78 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
79 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
80 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
81 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
82 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
83 LIBC:=$(call qstrip,$(CONFIG_LIBC))
84 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
85 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
86 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
87 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
88 BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
89 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
90 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
91 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
92 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
93 PACKAGE_DIR:=$(BIN_DIR)/packages
94 else
95 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
96 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
97 else
98 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
99 endif
100 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
101 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
102 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
103 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
104 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
105 PACKAGE_DIR:=$(BIN_DIR)/packages
106 endif
107 STAMP_DIR:=$(BUILD_DIR)/stamp
108 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
109 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
110 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
111 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
112 BUILD_LOG_DIR:=$(TOPDIR)/logs
113 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
114
115 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
116 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
117 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
118 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
119 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
120 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
121 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
122 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
123 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
124 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
125 else
126 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
127 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
128 endif
129 LIBRPC=-lrpc
130 LIBRPC_DEPENDS=+librpc
131
132 ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
133 LIB_SUFFIX:=64
134 endif
135
136 ifndef DUMP
137 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
138 -include $(TOOLCHAIN_DIR)/info.mk
139 export GCC_HONOUR_COPTS:=0
140 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
141 TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
142 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
143 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
144 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
145 else
146 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
147 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
148 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
149 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
150 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
151 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
152 ifneq ($(TOOLCHAIN_BIN_DIRS),)
153 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
154 endif
155 ifneq ($(TOOLCHAIN_INC_DIRS),)
156 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
157 endif
158 ifneq ($(TOOLCHAIN_LIB_DIRS),)
159 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
160 endif
161 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
162 endif
163 endif
164 endif
165 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
166
167 ifeq ($(CONFIG_SOFT_FLOAT),y)
168 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
169 TARGET_CFLAGS+= -msoft-float
170 else
171 SOFT_FLOAT_CONFIG_OPTION:=
172 endif
173
174 export PATH:=$(TARGET_PATH)
175 export STAGING_DIR
176 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
177
178 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
179
180 export PKG_CONFIG
181
182 HOSTCC:=gcc
183 HOSTCXX:=g++
184 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
185 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
186 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
187
188 TARGET_CC:=$(TARGET_CROSS)gcc
189 TARGET_AR:=$(TARGET_CROSS)ar
190 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
191 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
192 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
193 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
194 CP:=cp -fpR
195 LN:=ln -sf
196
197 INSTALL_BIN:=install -m0755
198 INSTALL_DIR:=install -d -m0755
199 INSTALL_DATA:=install -m0644
200 INSTALL_CONF:=install -m0600
201
202 TARGET_CC_NOCACHE:=$(TARGET_CC)
203 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
204 HOSTCC_NOCACHE:=$(HOSTCC)
205 HOSTCXX_NOCACHE:=$(HOSTCXX)
206 export TARGET_CC_NOCACHE
207 export TARGET_CXX_NOCACHE
208 export HOSTCC_NOCACHE
209
210 ifneq ($(CONFIG_CCACHE),)
211 TARGET_CC:= ccache_cc
212 TARGET_CXX:= ccache_cxx
213 HOSTCC:= ccache $(HOSTCC)
214 HOSTCXX:= ccache $(HOSTCXX)
215 endif
216
217 TARGET_CONFIGURE_OPTS = \
218 AR=$(TARGET_CROSS)ar \
219 AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
220 LD=$(TARGET_CROSS)ld \
221 NM=$(TARGET_CROSS)nm \
222 CC="$(TARGET_CC)" \
223 GCC="$(TARGET_CC)" \
224 CXX="$(TARGET_CXX)" \
225 RANLIB=$(TARGET_CROSS)ranlib \
226 STRIP=$(TARGET_CROSS)strip \
227 OBJCOPY=$(TARGET_CROSS)objcopy \
228 OBJDUMP=$(TARGET_CROSS)objdump \
229 SIZE=$(TARGET_CROSS)size
230
231 # strip an entire directory
232 ifneq ($(CONFIG_NO_STRIP),)
233 RSTRIP:=:
234 STRIP:=:
235 else
236 ifneq ($(CONFIG_USE_STRIP),)
237 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
238 else
239 ifneq ($(CONFIG_USE_SSTRIP),)
240 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
241 endif
242 endif
243 RSTRIP:= \
244 export CROSS="$(TARGET_CROSS)" \
245 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
246 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
247 NM="$(TARGET_CROSS)nm" \
248 STRIP="$(STRIP)" \
249 STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
250 $(SCRIPT_DIR)/rstrip.sh
251 endif
252
253 ifeq ($(CONFIG_ENABLE_LOCALE),true)
254 DISABLE_NLS:=--enable-nls
255 else
256 DISABLE_NLS:=--disable-nls
257 endif
258
259 ifeq ($(CONFIG_IPV6),y)
260 DISABLE_IPV6:=
261 else
262 DISABLE_IPV6:=--disable-ipv6
263 endif
264
265 ifeq ($(CONFIG_TAR_VERBOSITY),y)
266 TAR_OPTIONS:=-xvf -
267 else
268 TAR_OPTIONS:=-xf -
269 endif
270
271 ifeq ($(CONFIG_BUILD_LOG),y)
272 BUILD_LOG:=1
273 endif
274
275 define shvar
276 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
277 endef
278
279 define shexport
280 $(call shvar,$(1))=$$(call $(1))
281 export $(call shvar,$(1))
282 endef
283
284 define include_mk
285 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
286 endef
287
288 # Execute commands under flock
289 # $(1) => The shell expression.
290 # $(2) => The lock name. If not given, the global lock will be used.
291 define locked
292 SHELL= \
293 $(STAGING_DIR_HOST)/bin/flock \
294 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
295 -c '$(subst ','\'',$(1))'
296 endef
297
298 # Recursively copy paths into another directory, purge dangling
299 # symlinks before.
300 # $(1) => File glob expression
301 # $(2) => Destination directory
302 define file_copy
303 for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
304 ( cd $$src_dir; find -type f -or -type d ) | \
305 ( cd $(2); while :; do \
306 read FILE; \
307 [ -z "$$FILE" ] && break; \
308 [ -L "$$FILE" ] || continue; \
309 echo "Removing symlink $(2)/$$FILE"; \
310 rm -f "$$FILE"; \
311 done; ); \
312 done; \
313 $(CP) $(1) $(2)
314 endef
315
316 # file extension
317 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
318
319 all:
320 FORCE: ;
321 .PHONY: FORCE
322
323 val.%:
324 @$(if $(filter undefined,$(origin $*)),\
325 echo "$* undefined" >&2, \
326 echo '$(subst ','"'"',$($*))' \
327 )
328
329 var.%:
330 @$(if $(filter undefined,$(origin $*)),\
331 echo "$* undefined" >&2, \
332 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
333 )
334
335 endif #__rules_inc