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
19GREP_OPTIONS=
20export GREP_OPTIONS
21
22qstrip=$(strip $(subst ",,$(1)))
23#"))
24
25empty:=
26space:= $(empty) $(empty)
27merge=$(subst $(space),,$(1))
28confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
29strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
30
31define sep
32
33endef
34
35_SINGLE=export MAKEFLAGS=$(space);
36CFLAGS:=
37ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
38ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
39BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
40TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
41TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
42BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
43SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
44export SHELL:=/usr/bin/env bash
45
46OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
47
48ifeq ($(ARCH),powerpc)
49  FPIC:=-fPIC
50else
51  FPIC:=-fpic
52endif
53
54HOST_FPIC:=-fPIC
55
56ARCH_SUFFIX:=
57GCC_ARCH:=
58
59ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
60  ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
61  GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
62endif
63ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
64  ARCH_SUFFIX:=_r2
65endif
66ifdef CONFIG_HAS_SPE_FPU
67  TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
68endif
69
70DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
71BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
72INCLUDE_DIR:=$(TOPDIR)/include
73SCRIPT_DIR:=$(TOPDIR)/scripts
74BUILD_DIR_BASE:=$(TOPDIR)/build_dir
75BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
76STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
77ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
78  GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
79  LIBC:=$(call qstrip,$(CONFIG_LIBC))
80  LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
81  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
82  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
83  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
84  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
85  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
86  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
87  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
88  PACKAGE_DIR:=$(BIN_DIR)/packages
89else
90  ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
91    GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
92  else
93    GNU_TARGET_NAME=$(shell gcc -dumpmachine)
94  endif
95  REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
96  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
97  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
98  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
99  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
100  PACKAGE_DIR:=$(BIN_DIR)/packages
101endif
102STAMP_DIR:=$(BUILD_DIR)/stamp
103STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
104TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
105TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
106STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
107BUILD_LOG_DIR:=$(TOPDIR)/logs
108
109TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
110TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
111TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
112TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
113ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
114LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
115LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
116LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))
117else
118LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
119LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
120endif
121ifdef CONFIG_USE_UCLIBC
122LIBRPC=-lrpc
123endif
124LIBRPC_DEPENDS=+USE_UCLIBC:librpc
125
126ifndef DUMP
127  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
128    -include $(TOOLCHAIN_DIR)/info.mk
129    export GCC_HONOUR_COPTS:=0
130    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
131    TARGET_CFLAGS+= -fhonour-copts
132    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
133    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
134    TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
135  else
136    ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
137      TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
138      TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
139      TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
140      TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
141      TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
142      ifneq ($(TOOLCHAIN_BIN_DIRS),)
143        TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
144      endif
145      ifneq ($(TOOLCHAIN_INC_DIRS),)
146        TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
147      endif
148      ifneq ($(TOOLCHAIN_LIB_DIRS),)
149        TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
150      endif
151      TOOLCHAIN_DIR:=$(TOOLCHAIN_ROOT_DIR)
152    endif
153  endif
154endif
155TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
156
157ifeq ($(CONFIG_SOFT_FLOAT),y)
158  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
159  TARGET_CFLAGS+= -msoft-float
160else
161  SOFT_FLOAT_CONFIG_OPTION:=
162endif
163
164export PATH:=$(TARGET_PATH)
165export STAGING_DIR
166export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
167
168PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
169
170export PKG_CONFIG
171
172HOSTCC:=gcc
173HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
174HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
175
176TARGET_CC:=$(TARGET_CROSS)gcc
177TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
178KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
179SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
180CP:=cp -fpR
181LN:=ln -sf
182
183INSTALL_BIN:=install -m0755
184INSTALL_DIR:=install -d -m0755
185INSTALL_DATA:=install -m0644
186INSTALL_CONF:=install -m0600
187
188ifneq ($(CONFIG_CCACHE),)
189  TARGET_CC:= ccache $(TARGET_CC)
190  TARGET_CXX:= ccache $(TARGET_CXX)
191endif
192
193TARGET_CONFIGURE_OPTS = \
194  AR=$(TARGET_CROSS)ar \
195  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
196  LD=$(TARGET_CROSS)ld \
197  NM=$(TARGET_CROSS)nm \
198  CC="$(TARGET_CC)" \
199  GCC="$(TARGET_CC)" \
200  CXX="$(TARGET_CXX)" \
201  RANLIB=$(TARGET_CROSS)ranlib \
202  STRIP=$(TARGET_CROSS)strip \
203  OBJCOPY=$(TARGET_CROSS)objcopy \
204  OBJDUMP=$(TARGET_CROSS)objdump \
205  SIZE=$(TARGET_CROSS)size
206
207# strip an entire directory
208ifneq ($(CONFIG_NO_STRIP),)
209  RSTRIP:=:
210  STRIP:=:
211else
212  ifneq ($(CONFIG_USE_STRIP),)
213    STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
214  else
215    ifneq ($(CONFIG_USE_SSTRIP),)
216      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
217    endif
218  endif
219  RSTRIP:= \
220    NM="$(TARGET_CROSS)nm" \
221    STRIP="$(STRIP)" \
222    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded -R .comment -R .pdr -R .mdebug.abi32 -R .note.gnu.build-id -R .gnu.attributes -R .reginfo -x" \
223    $(SCRIPT_DIR)/rstrip.sh
224endif
225
226ifeq ($(CONFIG_ENABLE_LOCALE),true)
227  DISABLE_NLS:=--enable-nls
228else
229  DISABLE_NLS:=--disable-nls
230endif
231
232ifeq ($(CONFIG_IPV6),y)
233  DISABLE_IPV6:=
234else
235  DISABLE_IPV6:=--disable-ipv6
236endif
237
238ifeq ($(CONFIG_TAR_VERBOSITY),y)
239  TAR_OPTIONS:=-xvf -
240else
241  TAR_OPTIONS:=-xf -
242endif
243
244ifeq ($(CONFIG_BUILD_LOG),y)
245  BUILD_LOG:=1
246endif
247
248define shvar
249V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
250endef
251
252define shexport
253$(call shvar,$(1))=$$(call $(1))
254export $(call shvar,$(1))
255endef
256
257define include_mk
258$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
259endef
260
261# Execute commands under flock
262# $(1) => The shell expression.
263# $(2) => The lock name. If not given, the global lock will be used.
264define locked
265    SHELL= \
266    $(STAGING_DIR_HOST)/bin/flock \
267        $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
268        -c '$(subst ','\'',$(1))'
269endef
270
271# file extension
272ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
273
274all:
275FORCE: ;
276.PHONY: FORCE
277
278val.%:
279    @$(if $(filter undefined,$(origin $*)),\
280        echo "$* undefined" >&2, \
281        echo '$(subst ','"'"',$($*))' \
282    )
283
284var.%:
285    @$(if $(filter undefined,$(origin $*)),\
286        echo "$* undefined" >&2, \
287        echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
288    )
289
290endif #__rules_inc
291

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