add a config option to select the binary stripping method to use (between none, strip...
[openwrt/svn-archive/archive.git] / rules.mk
1 #
2 # Copyright (C) 2006-2008 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 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
38 LIBC:=$(call qstrip,$(CONFIG_LIBC))
39 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
40 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
41
42 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
43
44 ifeq ($(ARCH),powerpc)
45 FPIC:=-fPIC
46 else
47 FPIC:=-fpic
48 endif
49
50 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
51 BIN_DIR:=$(TOPDIR)/bin
52 INCLUDE_DIR:=$(TOPDIR)/include
53 SCRIPT_DIR:=$(TOPDIR)/scripts
54 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
55 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
56 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
57 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
58 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
59 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
60 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
61 PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
62 STAMP_DIR:=$(BUILD_DIR)/stamp
63 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
64 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
65 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
66 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
67 BUILD_LOG_DIR:=$(TOPDIR)/logs
68
69 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
70 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
71 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
72 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
73 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
74 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
75
76 ifndef DUMP
77 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
78 -include $(TOOLCHAIN_DIR)/info.mk
79 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
80 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
81 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
82 TARGET_CFLAGS+= -fhonour-copts
83 endif
84 endif
85
86 ifeq ($(CONFIG_SOFT_FLOAT),y)
87 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
88 TARGET_CFLAGS+= -msoft-float
89 else
90 SOFT_FLOAT_CONFIG_OPTION:=
91 endif
92
93 export PATH:=$(TARGET_PATH)
94 export STAGING_DIR
95 export GCC_HONOUR_COPTS:=0
96
97 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
98
99 export PKG_CONFIG
100
101 HOSTCC:=gcc
102 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
103 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
104
105 TARGET_CC:=$(TARGET_CROSS)gcc
106 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
107 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
108 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
109 CP:=cp -fpR
110
111 INSTALL_BIN:=install -m0755
112 INSTALL_DIR:=install -d -m0755
113 INSTALL_DATA:=install -m0644
114 INSTALL_CONF:=install -m0600
115
116 ifneq ($(CONFIG_CCACHE),)
117 # FIXME: move this variable to a better location
118 export CCACHE_DIR=$(STAGING_DIR)/ccache
119 TARGET_CC:= ccache $(TARGET_CC)
120 endif
121
122 TARGET_CONFIGURE_OPTS:= \
123 AR=$(TARGET_CROSS)ar \
124 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
125 LD=$(TARGET_CROSS)ld \
126 NM=$(TARGET_CROSS)nm \
127 CC="$(TARGET_CC)" \
128 GCC="$(TARGET_CC)" \
129 CXX="$(TARGET_CXX)" \
130 RANLIB=$(TARGET_CROSS)ranlib \
131 STRIP=$(TARGET_CROSS)strip \
132 OBJCOPY=$(TARGET_CROSS)objcopy \
133 OBJDUMP=$(TARGET_CROSS)objdump \
134 SIZE=$(TARGET_CROSS)size
135
136 # strip an entire directory
137 ifneq ($(CONFIG_NO_STRIP),)
138 RSTRIP:=:
139 STRIP:=:
140 else
141 ifneq ($(CONFIG_USE_STRIP),)
142 STRIP:=$(TARGET_CROSS)strip
143 else
144 ifneq ($(CONFIG_USE_SSTRIP),)
145 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
146 endif
147 endif
148 RSTRIP:= \
149 NM="$(TARGET_CROSS)nm" \
150 STRIP="$(STRIP)" \
151 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
152 $(SCRIPT_DIR)/rstrip.sh
153 endif
154
155 ifeq ($(CONFIG_ENABLE_LOCALE),true)
156 DISABLE_NLS:=
157 else
158 DISABLE_NLS:=--disable-nls
159 endif
160
161 ifneq ($(CONFIG_LARGEFILE),y)
162 DISABLE_LARGEFILE= --disable-largefile
163 endif
164
165 ifeq ($(CONFIG_TAR_VERBOSITY),y)
166 TAR_OPTIONS:=-xvf -
167 else
168 TAR_OPTIONS:=-xf -
169 endif
170
171 define shvar
172 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
173 endef
174
175 define shexport
176 $(call shvar,$(1))=$$(call $(1))
177 export $(call shvar,$(1))
178 endef
179
180 # file extension
181 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
182
183 all:
184 FORCE: ;
185 .PHONY: FORCE
186
187 endif #__rules_inc