backfire: package/kernel: fix target dependency logic
[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 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
20
21 qstrip=$(strip $(subst ",,$(1)))
22 #"))
23
24 empty:=
25 space:= $(empty) $(empty)
26 merge=$(subst $(space),,$(1))
27 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
28 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
29
30 define sep
31
32 endef
33
34 _SINGLE=export MAKEFLAGS=$(space);
35 CFLAGS:=
36 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
37 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
38 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
39 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
40 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
41 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
42 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
43
44 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
45
46 ifeq ($(ARCH),powerpc)
47 FPIC:=-fPIC
48 else
49 FPIC:=-fpic
50 endif
51
52 HOST_FPIC:=-fPIC
53
54 ARCH_SUFFIX:=
55 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
56 ARCH_SUFFIX:=_r2
57 endif
58 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
59 ARCH_SUFFIX:=_v4
60 endif
61 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
62 ARCH_SUFFIX:=_v4t
63 endif
64 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
65 ARCH_SUFFIX:=_v5t
66 endif
67 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
68 ARCH_SUFFIX:=_v5te
69 endif
70
71 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
72 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
73 INCLUDE_DIR:=$(TOPDIR)/include
74 SCRIPT_DIR:=$(TOPDIR)/scripts
75 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
76 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
77 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
78 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
79 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
80 LIBC:=$(call qstrip,$(CONFIG_LIBC))
81 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
82 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
83 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
84 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
85 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
86 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
87 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
88 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
89 PACKAGE_DIR:=$(BIN_DIR)/packages
90 else
91 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
92 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
93 else
94 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
95 endif
96 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
97 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
98 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
99 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
100 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
101 PACKAGE_DIR:=$(BIN_DIR)/packages
102 endif
103 STAMP_DIR:=$(BUILD_DIR)/stamp
104 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
105 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
106 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
107 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
108 BUILD_LOG_DIR:=$(TOPDIR)/logs
109
110 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
111 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
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 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
115 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
116
117 ifndef DUMP
118 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
119 -include $(TOOLCHAIN_DIR)/info.mk
120 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
121 TARGET_CFLAGS+= -fhonour-copts
122 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
123 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/lib
124 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
125 else
126 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
127 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
128 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
129 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
130 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
131 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
132 ifneq ($(TOOLCHAIN_BIN_DIRS),)
133 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
134 endif
135 ifneq ($(TOOLCHAIN_INC_DIRS),)
136 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
137 endif
138 ifneq ($(TOOLCHAIN_LIB_DIRS),)
139 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
140 endif
141 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
142 endif
143 endif
144 endif
145 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
146
147 ifeq ($(CONFIG_SOFT_FLOAT),y)
148 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
149 TARGET_CFLAGS+= -msoft-float
150 else
151 SOFT_FLOAT_CONFIG_OPTION:=
152 endif
153
154 export PATH:=$(TARGET_PATH)
155 export STAGING_DIR
156 export GCC_HONOUR_COPTS:=0
157
158 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
159
160 export PKG_CONFIG
161
162 HOSTCC:=gcc
163 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
164 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
165
166 TARGET_CC:=$(TARGET_CROSS)gcc
167 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
168 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
169 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
170 CP:=cp -fpR
171 LN:=ln -sf
172
173 INSTALL_BIN:=install -m0755
174 INSTALL_DIR:=install -d -m0755
175 INSTALL_DATA:=install -m0644
176 INSTALL_CONF:=install -m0600
177
178 ifneq ($(CONFIG_CCACHE),)
179 TARGET_CC:= ccache $(TARGET_CC)
180 endif
181
182 TARGET_CONFIGURE_OPTS = \
183 AR=$(TARGET_CROSS)ar \
184 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
185 LD=$(TARGET_CROSS)ld \
186 NM=$(TARGET_CROSS)nm \
187 CC="$(TARGET_CC)" \
188 GCC="$(TARGET_CC)" \
189 CXX="$(TARGET_CXX)" \
190 RANLIB=$(TARGET_CROSS)ranlib \
191 STRIP=$(TARGET_CROSS)strip \
192 OBJCOPY=$(TARGET_CROSS)objcopy \
193 OBJDUMP=$(TARGET_CROSS)objdump \
194 SIZE=$(TARGET_CROSS)size
195
196 # strip an entire directory
197 ifneq ($(CONFIG_NO_STRIP),)
198 RSTRIP:=:
199 STRIP:=:
200 else
201 ifneq ($(CONFIG_USE_STRIP),)
202 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
203 else
204 ifneq ($(CONFIG_USE_SSTRIP),)
205 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
206 endif
207 endif
208 RSTRIP:= \
209 NM="$(TARGET_CROSS)nm" \
210 STRIP="$(STRIP)" \
211 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
212 $(SCRIPT_DIR)/rstrip.sh
213 endif
214
215 ifeq ($(CONFIG_ENABLE_LOCALE),true)
216 DISABLE_NLS:=--enable-nls
217 else
218 DISABLE_NLS:=--disable-nls
219 endif
220
221 ifeq ($(CONFIG_IPV6),y)
222 DISABLE_IPV6:=
223 else
224 DISABLE_IPV6:=--disable-ipv6
225 endif
226
227 ifeq ($(CONFIG_LARGEFILE),y)
228 DISABLE_LARGEFILE:=
229 else
230 DISABLE_LARGEFILE:=--disable-largefile
231 endif
232
233 ifeq ($(CONFIG_TAR_VERBOSITY),y)
234 TAR_OPTIONS:=-xvf -
235 else
236 TAR_OPTIONS:=-xf -
237 endif
238
239 define shvar
240 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
241 endef
242
243 define shexport
244 $(call shvar,$(1))=$$(call $(1))
245 export $(call shvar,$(1))
246 endef
247
248 define include_mk
249 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
250 endef
251
252 # file extension
253 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
254
255 all:
256 FORCE: ;
257 .PHONY: FORCE
258
259 endif #__rules_inc