Root/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
8ifneq ($(__rules_inc),1)
9__rules_inc=1
10
11ifeq ($(DUMP),)
12  -include $(TOPDIR)/.config
13endif
14include $(TOPDIR)/include/debug.mk
15include $(TOPDIR)/include/verbose.mk
16
17TMP_DIR:=$(TOPDIR)/tmp
18
19export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
20
21qstrip=$(strip $(subst ",,$(1)))
22#"))
23
24empty:=
25space:= $(empty) $(empty)
26merge=$(subst $(space),,$(1))
27confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
28strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
29
30define sep
31
32endef
33
34_SINGLE=export MAKEFLAGS=$(space);
35CFLAGS:=
36ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
37ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
38BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
39TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
40TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
41BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
42SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
43
44OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
45
46ifeq ($(ARCH),powerpc)
47  FPIC:=-fPIC
48else
49  FPIC:=-fpic
50endif
51
52HOST_FPIC:=-fPIC
53
54ARCH_SUFFIX:=
55ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
56  ARCH_SUFFIX:=_r2
57endif
58ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
59  ARCH_SUFFIX:=_v4
60endif
61ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
62  ARCH_SUFFIX:=_v4t
63endif
64ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
65  ARCH_SUFFIX:=_v5t
66endif
67ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
68  ARCH_SUFFIX:=_v5te
69endif
70
71DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
72BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
73INCLUDE_DIR:=$(TOPDIR)/include
74SCRIPT_DIR:=$(TOPDIR)/scripts
75BUILD_DIR_BASE:=$(TOPDIR)/build_dir
76BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
77STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
78ifeq ($(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
90else
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
102endif
103STAMP_DIR:=$(BUILD_DIR)/stamp
104STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
105TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
106TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
107STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
108BUILD_LOG_DIR:=$(TOPDIR)/logs
109
110TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
111TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
112TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
113TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
114LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a))
115
116ifndef DUMP
117  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
118    -include $(TOOLCHAIN_DIR)/info.mk
119    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
120    TARGET_CFLAGS+= -fhonour-copts
121    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
122    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
123    TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
124  else
125    ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
126      TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
127      TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
128      TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
129      TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
130      TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
131      ifneq ($(TOOLCHAIN_BIN_DIRS),)
132        TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
133      endif
134      ifneq ($(TOOLCHAIN_INC_DIRS),)
135        TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
136      endif
137      ifneq ($(TOOLCHAIN_LIB_DIRS),)
138        TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
139      endif
140    endif
141  endif
142endif
143TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
144
145ifeq ($(CONFIG_SOFT_FLOAT),y)
146  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
147  TARGET_CFLAGS+= -msoft-float
148else
149  SOFT_FLOAT_CONFIG_OPTION:=
150endif
151
152export PATH:=$(TARGET_PATH)
153export STAGING_DIR
154export GCC_HONOUR_COPTS:=0
155
156PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
157
158export PKG_CONFIG
159
160HOSTCC:=gcc
161HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
162HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
163
164TARGET_CC:=$(TARGET_CROSS)gcc
165TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
166PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
167SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
168CP:=cp -fpR
169LN:=ln -sf
170
171INSTALL_BIN:=install -m0755
172INSTALL_DIR:=install -d -m0755
173INSTALL_DATA:=install -m0644
174INSTALL_CONF:=install -m0600
175
176ifneq ($(CONFIG_CCACHE),)
177  TARGET_CC:= ccache $(TARGET_CC)
178  TARGET_CXX:= ccache $(TARGET_CXX)
179endif
180
181TARGET_CONFIGURE_OPTS = \
182  AR=$(TARGET_CROSS)ar \
183  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
184  LD=$(TARGET_CROSS)ld \
185  NM=$(TARGET_CROSS)nm \
186  CC="$(TARGET_CC)" \
187  GCC="$(TARGET_CC)" \
188  CXX="$(TARGET_CXX)" \
189  RANLIB=$(TARGET_CROSS)ranlib \
190  STRIP=$(TARGET_CROSS)strip \
191  OBJCOPY=$(TARGET_CROSS)objcopy \
192  OBJDUMP=$(TARGET_CROSS)objdump \
193  SIZE=$(TARGET_CROSS)size
194
195# strip an entire directory
196ifneq ($(CONFIG_NO_STRIP),)
197  RSTRIP:=:
198  STRIP:=:
199else
200  ifneq ($(CONFIG_USE_STRIP),)
201    STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
202  else
203    ifneq ($(CONFIG_USE_SSTRIP),)
204      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
205    endif
206  endif
207  RSTRIP:= \
208    NM="$(TARGET_CROSS)nm" \
209    STRIP="$(STRIP)" \
210    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
211    $(SCRIPT_DIR)/rstrip.sh
212endif
213
214ifeq ($(CONFIG_ENABLE_LOCALE),true)
215  DISABLE_NLS:=--enable-nls
216else
217  DISABLE_NLS:=--disable-nls
218endif
219
220ifeq ($(CONFIG_IPV6),y)
221  DISABLE_IPV6:=
222else
223  DISABLE_IPV6:=--disable-ipv6
224endif
225
226ifeq ($(CONFIG_LARGEFILE),y)
227  DISABLE_LARGEFILE:=
228else
229  DISABLE_LARGEFILE:=--disable-largefile
230endif
231
232ifeq ($(CONFIG_TAR_VERBOSITY),y)
233  TAR_OPTIONS:=-xvf -
234else
235  TAR_OPTIONS:=-xf -
236endif
237
238define shvar
239V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
240endef
241
242define shexport
243$(call shvar,$(1))=$$(call $(1))
244export $(call shvar,$(1))
245endef
246
247define include_mk
248$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
249endef
250
251# file extension
252ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
253
254all:
255FORCE: ;
256.PHONY: FORCE
257
258endif #__rules_inc
259

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