speed up the build system by including include/shell.sh on shell commands only where...
[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 $(TOPDIR)/include/verbose.mk
16
17 TMP_DIR:=$(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
40 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
41
42 ifeq ($(ARCH),powerpc)
43 FPIC:=-fPIC
44 else
45 FPIC:=-fpic
46 endif
47
48 ARCH_SUFFIX:=
49 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
50 ARCH_SUFFIX:=_r2
51 endif
52 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
53 ARCH_SUFFIX:=_v4
54 endif
55 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
56 ARCH_SUFFIX:=_v4t
57 endif
58 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
59 ARCH_SUFFIX:=_v5t
60 endif
61 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
62 ARCH_SUFFIX:=_v5te
63 endif
64
65 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
66 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
67 INCLUDE_DIR:=$(TOPDIR)/include
68 SCRIPT_DIR:=$(TOPDIR)/scripts
69 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
70 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
71 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
72 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
73 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
74 LIBC:=$(call qstrip,$(CONFIG_LIBC))
75 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
76 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
77 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
78 DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
79 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
80 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
81 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
82 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
83 PACKAGE_DIR:=$(BIN_DIR)/packages
84 else
85 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
86 GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
87 else
88 GNU_TARGET_NAME=$(shell gcc -dumpmachine)
89 endif
90 REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
91 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
92 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
93 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
94 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
95 PACKAGE_DIR:=$(BIN_DIR)/packages
96 endif
97 STAMP_DIR:=$(BUILD_DIR)/stamp
98 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
99 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
100 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
101 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
102 BUILD_LOG_DIR:=$(TOPDIR)/logs
103
104 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
105 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
106 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
107 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
108 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a))
109
110 ifndef DUMP
111 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
112 -include $(TOOLCHAIN_DIR)/info.mk
113 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
114 TARGET_CFLAGS+= -fhonour-copts
115 TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
116 TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
117 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
118 else
119 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
120 TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
121 TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
122 TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
123 TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
124 TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
125 ifneq ($(TOOLCHAIN_BIN_DIRS),)
126 TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
127 endif
128 ifneq ($(TOOLCHAIN_INC_DIRS),)
129 TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
130 endif
131 ifneq ($(TOOLCHAIN_LIB_DIRS),)
132 TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
133 endif
134 endif
135 endif
136 endif
137 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
138
139 ifeq ($(CONFIG_SOFT_FLOAT),y)
140 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
141 TARGET_CFLAGS+= -msoft-float
142 else
143 SOFT_FLOAT_CONFIG_OPTION:=
144 endif
145
146 export PATH:=$(TARGET_PATH)
147 export STAGING_DIR
148 export GCC_HONOUR_COPTS:=0
149 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
150
151 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
152
153 export PKG_CONFIG
154
155 HOSTCC:=gcc
156 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
157 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
158
159 TARGET_CC:=$(TARGET_CROSS)gcc
160 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
161 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
162 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
163 CP:=cp -fpR
164 LN:=ln -sf
165
166 INSTALL_BIN:=install -m0755
167 INSTALL_DIR:=install -d -m0755
168 INSTALL_DATA:=install -m0644
169 INSTALL_CONF:=install -m0600
170
171 ifneq ($(CONFIG_CCACHE),)
172 # FIXME: move this variable to a better location
173 export CCACHE_DIR=$(STAGING_DIR)/ccache
174 TARGET_CC:= ccache $(TARGET_CC)
175 endif
176
177 TARGET_CONFIGURE_OPTS = \
178 AR=$(TARGET_CROSS)ar \
179 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
180 LD=$(TARGET_CROSS)ld \
181 NM=$(TARGET_CROSS)nm \
182 CC="$(TARGET_CC)" \
183 GCC="$(TARGET_CC)" \
184 CXX="$(TARGET_CXX)" \
185 RANLIB=$(TARGET_CROSS)ranlib \
186 STRIP=$(TARGET_CROSS)strip \
187 OBJCOPY=$(TARGET_CROSS)objcopy \
188 OBJDUMP=$(TARGET_CROSS)objdump \
189 SIZE=$(TARGET_CROSS)size
190
191 # strip an entire directory
192 ifneq ($(CONFIG_NO_STRIP),)
193 RSTRIP:=:
194 STRIP:=:
195 else
196 ifneq ($(CONFIG_USE_STRIP),)
197 STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
198 else
199 ifneq ($(CONFIG_USE_SSTRIP),)
200 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
201 endif
202 endif
203 RSTRIP:= \
204 NM="$(TARGET_CROSS)nm" \
205 STRIP="$(STRIP)" \
206 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
207 $(SCRIPT_DIR)/rstrip.sh
208 endif
209
210 ifeq ($(CONFIG_ENABLE_LOCALE),true)
211 DISABLE_NLS:=--enable-nls
212 else
213 DISABLE_NLS:=--disable-nls
214 endif
215
216 ifeq ($(CONFIG_IPV6),y)
217 DISABLE_IPV6:=
218 else
219 DISABLE_IPV6:=--disable-ipv6
220 endif
221
222 ifeq ($(CONFIG_LARGEFILE),y)
223 DISABLE_LARGEFILE:=
224 else
225 DISABLE_LARGEFILE:=--disable-largefile
226 endif
227
228 ifeq ($(CONFIG_TAR_VERBOSITY),y)
229 TAR_OPTIONS:=-xvf -
230 else
231 TAR_OPTIONS:=-xf -
232 endif
233
234 define shvar
235 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
236 endef
237
238 define shexport
239 $(call shvar,$(1))=$$(call $(1))
240 export $(call shvar,$(1))
241 endef
242
243 define include_mk
244 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
245 endef
246
247 # file extension
248 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
249
250 all:
251 FORCE: ;
252 .PHONY: FORCE
253
254 endif #__rules_inc