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
30_SINGLE=export MAKEFLAGS=$(space);
31CFLAGS:=
32ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
33ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
34BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
35TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
36TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
37BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
38SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
39
40OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
41
42ifeq ($(ARCH),powerpc)
43  FPIC:=-fPIC
44else
45  FPIC:=-fpic
46endif
47
48HOST_FPIC:=-fPIC
49
50ARCH_SUFFIX:=
51ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
52  ARCH_SUFFIX:=_r2
53endif
54ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
55  ARCH_SUFFIX:=_v4
56endif
57ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
58  ARCH_SUFFIX:=_v4t
59endif
60ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
61  ARCH_SUFFIX:=_v5t
62endif
63ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
64  ARCH_SUFFIX:=_v5te
65endif
66
67DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
68BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
69INCLUDE_DIR:=$(TOPDIR)/include
70SCRIPT_DIR:=$(TOPDIR)/scripts
71BUILD_DIR_BASE:=$(TOPDIR)/build_dir
72BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
73STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
74ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
75  GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
76  LIBC:=$(call qstrip,$(CONFIG_LIBC))
77  LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
78  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
79  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
80  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
81  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
82  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
83  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
84  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
85  PACKAGE_DIR:=$(BIN_DIR)/packages
86else
87  ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
88    GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
89  else
90    GNU_TARGET_NAME=$(shell gcc -dumpmachine)
91  endif
92  REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
93  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
94  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
95  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
96  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
97  PACKAGE_DIR:=$(BIN_DIR)/packages
98endif
99STAMP_DIR:=$(BUILD_DIR)/stamp
100STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
101TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
102TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
103STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
104BUILD_LOG_DIR:=$(TOPDIR)/logs
105
106TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
107TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
108TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
109TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
110LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a))
111
112ifndef DUMP
113  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
114    -include $(TOOLCHAIN_DIR)/info.mk
115    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
116    TARGET_CFLAGS+= -fhonour-copts
117    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
118    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
119    TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
120  else
121    ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
122      TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
123      TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
124      TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
125      TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
126      TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
127      ifneq ($(TOOLCHAIN_BIN_DIRS),)
128        TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
129      endif
130      ifneq ($(TOOLCHAIN_INC_DIRS),)
131        TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
132      endif
133      ifneq ($(TOOLCHAIN_LIB_DIRS),)
134        TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
135      endif
136    endif
137  endif
138endif
139TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
140
141ifeq ($(CONFIG_SOFT_FLOAT),y)
142  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
143  TARGET_CFLAGS+= -msoft-float
144else
145  SOFT_FLOAT_CONFIG_OPTION:=
146endif
147
148export PATH:=$(TARGET_PATH)
149export STAGING_DIR
150export GCC_HONOUR_COPTS:=0
151
152PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
153
154export PKG_CONFIG
155
156HOSTCC:=gcc
157HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
158HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
159
160TARGET_CC:=$(TARGET_CROSS)gcc
161TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
162PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
163SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
164CP:=cp -fpR
165LN:=ln -sf
166
167INSTALL_BIN:=install -m0755
168INSTALL_DIR:=install -d -m0755
169INSTALL_DATA:=install -m0644
170INSTALL_CONF:=install -m0600
171
172ifneq ($(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  TARGET_CXX:= ccache $(TARGET_CXX)
177endif
178
179TARGET_CONFIGURE_OPTS = \
180  AR=$(TARGET_CROSS)ar \
181  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
182  LD=$(TARGET_CROSS)ld \
183  NM=$(TARGET_CROSS)nm \
184  CC="$(TARGET_CC)" \
185  GCC="$(TARGET_CC)" \
186  CXX="$(TARGET_CXX)" \
187  RANLIB=$(TARGET_CROSS)ranlib \
188  STRIP=$(TARGET_CROSS)strip \
189  OBJCOPY=$(TARGET_CROSS)objcopy \
190  OBJDUMP=$(TARGET_CROSS)objdump \
191  SIZE=$(TARGET_CROSS)size
192
193# strip an entire directory
194ifneq ($(CONFIG_NO_STRIP),)
195  RSTRIP:=:
196  STRIP:=:
197else
198  ifneq ($(CONFIG_USE_STRIP),)
199    STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
200  else
201    ifneq ($(CONFIG_USE_SSTRIP),)
202      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
203    endif
204  endif
205  RSTRIP:= \
206    NM="$(TARGET_CROSS)nm" \
207    STRIP="$(STRIP)" \
208    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
209    $(SCRIPT_DIR)/rstrip.sh
210endif
211
212ifeq ($(CONFIG_ENABLE_LOCALE),true)
213  DISABLE_NLS:=--enable-nls
214else
215  DISABLE_NLS:=--disable-nls
216endif
217
218ifeq ($(CONFIG_IPV6),y)
219  DISABLE_IPV6:=
220else
221  DISABLE_IPV6:=--disable-ipv6
222endif
223
224ifeq ($(CONFIG_LARGEFILE),y)
225  DISABLE_LARGEFILE:=
226else
227  DISABLE_LARGEFILE:=--disable-largefile
228endif
229
230ifeq ($(CONFIG_TAR_VERBOSITY),y)
231  TAR_OPTIONS:=-xvf -
232else
233  TAR_OPTIONS:=-xf -
234endif
235
236define shvar
237V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
238endef
239
240define shexport
241$(call shvar,$(1))=$$(call $(1))
242export $(call shvar,$(1))
243endef
244
245define include_mk
246$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
247endef
248
249# file extension
250ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
251
252all:
253FORCE: ;
254.PHONY: FORCE
255
256endif #__rules_inc
257

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