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