[kernel] refresh 2.6.35 patches
[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 _SINGLE=export MAKEFLAGS=$(space);
32 CFLAGS:=
33 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
34 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
35 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
36 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
37 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
38 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
39 export SHELL:=/usr/bin/env bash
40
41 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
42
43 ifeq ($(ARCH),powerpc)
44 FPIC:=-fPIC
45 else
46 FPIC:=-fpic
47 endif
48
49 ARCH_SUFFIX:=
50 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
51 ARCH_SUFFIX:=_r2
52 endif
53 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
54 ARCH_SUFFIX:=_v4
55 endif
56 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
57 ARCH_SUFFIX:=_v4t
58 endif
59 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
60 ARCH_SUFFIX:=_v5t
61 endif
62 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
63 ARCH_SUFFIX:=_v5te
64 endif
65
66 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
67 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
68 INCLUDE_DIR:=$(TOPDIR)/include
69 SCRIPT_DIR:=$(TOPDIR)/scripts
70 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
71 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
72 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
73 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
74 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
75 LIBC:=$(call qstrip,$(CONFIG_LIBC))
76 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
77 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
78 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
79 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
80 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
81 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
82 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
83 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
84 PACKAGE_DIR:=$(BIN_DIR)/packages
85 else
86 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
87 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
88 else
89 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
90 endif
91 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
92 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
93 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
94 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
95 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
96 PACKAGE_DIR:=$(BIN_DIR)/packages
97 endif
98 STAMP_DIR:=$(BUILD_DIR)/stamp
99 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
100 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
101 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
102 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
103 BUILD_LOG_DIR:=$(TOPDIR)/logs
104
105 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
106 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
107 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
108 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
109 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a))
110
111 ifndef DUMP
112 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
113 -include $(TOOLCHAIN_DIR)/info.mk
114 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
115 TARGET_CFLAGS+= -fhonour-copts
116 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
117 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
118 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
119 else
120 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
121 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
122 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
123 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
124 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
125 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
126 ifneq ($(TOOLCHAIN_BIN_DIRS),)
127 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
128 endif
129 ifneq ($(TOOLCHAIN_INC_DIRS),)
130 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
131 endif
132 ifneq ($(TOOLCHAIN_LIB_DIRS),)
133 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
134 endif
135 endif
136 endif
137 endif
138 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
139
140 ifeq ($(CONFIG_SOFT_FLOAT),y)
141 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
142 TARGET_CFLAGS+= -msoft-float
143 else
144 SOFT_FLOAT_CONFIG_OPTION:=
145 endif
146
147 export PATH:=$(TARGET_PATH)
148 export STAGING_DIR
149 export GCC_HONOUR_COPTS:=0
150 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
151
152 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
153
154 export PKG_CONFIG
155
156 HOSTCC:=gcc
157 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
158 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
159
160 TARGET_CC:=$(TARGET_CROSS)gcc
161 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
162 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
163 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
164 CP:=cp -fpR
165 LN:=ln -sf
166
167 INSTALL_BIN:=install -m0755
168 INSTALL_DIR:=install -d -m0755
169 INSTALL_DATA:=install -m0644
170 INSTALL_CONF:=install -m0600
171
172 ifneq ($(CONFIG_CCACHE),)
173 # FIXME: move this variable to a better location
174 export CCACHE_DIR=$(STAGING_DIR)/ccache
175 TARGET_CC:= ccache $(TARGET_CC)
176 endif
177
178 TARGET_CONFIGURE_OPTS = \
179 AR=$(TARGET_CROSS)ar \
180 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
181 LD=$(TARGET_CROSS)ld \
182 NM=$(TARGET_CROSS)nm \
183 CC="$(TARGET_CC)" \
184 GCC="$(TARGET_CC)" \
185 CXX="$(TARGET_CXX)" \
186 RANLIB=$(TARGET_CROSS)ranlib \
187 STRIP=$(TARGET_CROSS)strip \
188 OBJCOPY=$(TARGET_CROSS)objcopy \
189 OBJDUMP=$(TARGET_CROSS)objdump \
190 SIZE=$(TARGET_CROSS)size
191
192 # strip an entire directory
193 ifneq ($(CONFIG_NO_STRIP),)
194 RSTRIP:=:
195 STRIP:=:
196 else
197 ifneq ($(CONFIG_USE_STRIP),)
198 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
199 else
200 ifneq ($(CONFIG_USE_SSTRIP),)
201 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
202 endif
203 endif
204 RSTRIP:= \
205 NM="$(TARGET_CROSS)nm" \
206 STRIP="$(STRIP)" \
207 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
208 $(SCRIPT_DIR)/rstrip.sh
209 endif
210
211 ifeq ($(CONFIG_ENABLE_LOCALE),true)
212 DISABLE_NLS:=--enable-nls
213 else
214 DISABLE_NLS:=--disable-nls
215 endif
216
217 ifeq ($(CONFIG_IPV6),y)
218 DISABLE_IPV6:=
219 else
220 DISABLE_IPV6:=--disable-ipv6
221 endif
222
223 ifeq ($(CONFIG_LARGEFILE),y)
224 DISABLE_LARGEFILE:=
225 else
226 DISABLE_LARGEFILE:=--disable-largefile
227 endif
228
229 ifeq ($(CONFIG_TAR_VERBOSITY),y)
230 TAR_OPTIONS:=-xvf -
231 else
232 TAR_OPTIONS:=-xf -
233 endif
234
235 define shvar
236 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
237 endef
238
239 define shexport
240 $(call shvar,$(1))=$$(call $(1))
241 export $(call shvar,$(1))
242 endef
243
244 define include_mk
245 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
246 endef
247
248 # file extension
249 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
250
251 all:
252 FORCE: ;
253 .PHONY: FORCE
254
255 endif #__rules_inc