source: trunk/rules.mk @ 20566

Last change on this file since 20566 was 20566, checked in by nbd, 7 years ago

use lazy evaluation for TARGET_CONFIGURE_OPTS to make it possible to override TARGET_CC and TARGET_CXX

  • Property svn:eol-style set to native
File size: 7.7 KB
Line 
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)))))
33BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
34TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
35TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
36BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
37SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
38
39OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
40
41ifeq ($(ARCH),powerpc)
42  FPIC:=-fPIC
43else
44  FPIC:=-fpic
45endif
46
47ARCH_SUFFIX:=
48ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
49  ARCH_SUFFIX:=_r2
50endif
51ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
52  ARCH_SUFFIX:=_v4
53endif
54ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
55  ARCH_SUFFIX:=_v4t
56endif
57ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
58  ARCH_SUFFIX:=_v5t
59endif
60ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
61  ARCH_SUFFIX:=_v5te
62endif
63
64DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
65BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
66INCLUDE_DIR:=$(TOPDIR)/include
67SCRIPT_DIR:=$(TOPDIR)/scripts
68BUILD_DIR_BASE:=$(TOPDIR)/build_dir
69BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
70STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
71ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
72  GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
73  LIBC:=$(call qstrip,$(CONFIG_LIBC))
74  LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
75  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
76  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
77  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
78  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
79  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
80  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
81  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
82  PACKAGE_DIR:=$(BIN_DIR)/packages
83else
84  ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
85    GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
86  else
87    GNU_TARGET_NAME=$(shell gcc -dumpmachine)
88  endif
89  REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
90  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
91  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
92  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
93  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
94  PACKAGE_DIR:=$(BIN_DIR)/packages
95endif
96STAMP_DIR:=$(BUILD_DIR)/stamp
97STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
98TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
99TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
100STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
101BUILD_LOG_DIR:=$(TOPDIR)/logs
102
103TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
104TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
105TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
106TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
107LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
108
109ifndef DUMP
110  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
111    -include $(TOOLCHAIN_DIR)/info.mk
112    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
113    TARGET_CFLAGS+= -fhonour-copts
114    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
115    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
116    TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
117  else
118    ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
119      TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
120      TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
121      TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
122      TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
123      TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
124      ifneq ($(TOOLCHAIN_BIN_DIRS),)
125        TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
126      endif
127      ifneq ($(TOOLCHAIN_INC_DIRS),)
128        TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
129      endif
130      ifneq ($(TOOLCHAIN_LIB_DIRS),)
131        TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
132      endif
133    endif
134  endif
135endif
136TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
137
138ifeq ($(CONFIG_SOFT_FLOAT),y)
139  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
140  TARGET_CFLAGS+= -msoft-float
141else
142  SOFT_FLOAT_CONFIG_OPTION:=
143endif
144
145export PATH:=$(TARGET_PATH)
146export STAGING_DIR
147export GCC_HONOUR_COPTS:=0
148
149PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
150
151export PKG_CONFIG
152
153HOSTCC:=gcc
154HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
155HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
156
157TARGET_CC:=$(TARGET_CROSS)gcc
158TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
159PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
160SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
161CP:=cp -fpR
162LN:=ln -sf
163
164INSTALL_BIN:=install -m0755
165INSTALL_DIR:=install -d -m0755
166INSTALL_DATA:=install -m0644
167INSTALL_CONF:=install -m0600
168
169ifneq ($(CONFIG_CCACHE),)
170  # FIXME: move this variable to a better location
171  export CCACHE_DIR=$(STAGING_DIR)/ccache
172  TARGET_CC:= ccache $(TARGET_CC)
173endif
174
175TARGET_CONFIGURE_OPTS = \
176  AR=$(TARGET_CROSS)ar \
177  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
178  LD=$(TARGET_CROSS)ld \
179  NM=$(TARGET_CROSS)nm \
180  CC="$(TARGET_CC)" \
181  GCC="$(TARGET_CC)" \
182  CXX="$(TARGET_CXX)" \
183  RANLIB=$(TARGET_CROSS)ranlib \
184  STRIP=$(TARGET_CROSS)strip \
185  OBJCOPY=$(TARGET_CROSS)objcopy \
186  OBJDUMP=$(TARGET_CROSS)objdump \
187  SIZE=$(TARGET_CROSS)size
188
189# strip an entire directory
190ifneq ($(CONFIG_NO_STRIP),)
191  RSTRIP:=:
192  STRIP:=:
193else
194  ifneq ($(CONFIG_USE_STRIP),)
195    STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
196  else
197    ifneq ($(CONFIG_USE_SSTRIP),)
198      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
199    endif
200  endif
201  RSTRIP:= \
202    NM="$(TARGET_CROSS)nm" \
203    STRIP="$(STRIP)" \
204    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
205    $(SCRIPT_DIR)/rstrip.sh
206endif
207
208ifeq ($(CONFIG_ENABLE_LOCALE),true)
209  DISABLE_NLS:=--enable-nls
210else
211  DISABLE_NLS:=--disable-nls
212endif
213
214ifeq ($(CONFIG_IPV6),y)
215  DISABLE_IPV6:=
216else
217  DISABLE_IPV6:=--disable-ipv6
218endif
219
220ifeq ($(CONFIG_LARGEFILE),y)
221  DISABLE_LARGEFILE:=
222else
223  DISABLE_LARGEFILE:=--disable-largefile
224endif
225
226ifeq ($(CONFIG_TAR_VERBOSITY),y)
227  TAR_OPTIONS:=-xvf -
228else
229  TAR_OPTIONS:=-xf -
230endif
231
232define shvar
233V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
234endef
235
236define shexport
237$(call shvar,$(1))=$$(call $(1))
238export $(call shvar,$(1))
239endef
240
241define include_mk
242$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
243endef
244
245# file extension
246ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
247
248all:
249FORCE: ;
250.PHONY: FORCE
251
252endif #__rules_inc
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