remove empty directories
[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 # $Id$
8
9 ifneq ($(__rules_inc),1)
10 __rules_inc=1
11
12 ifeq ($(DUMP),)
13 -include $(TOPDIR)/.config
14 endif
15 include $(TOPDIR)/include/debug.mk
16 include $(TOPDIR)/include/verbose.mk
17
18 TMP_DIR:=$(TOPDIR)/tmp
19
20 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
21
22 qstrip=$(strip $(subst ",,$(1)))
23 #"))
24
25 empty:=
26 space:= $(empty) $(empty)
27 merge=$(subst $(space),,$(1))
28 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
29 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
30
31 _SINGLE=export MAKEFLAGS=$(space);
32 CFLAGS:=
33 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
34 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
35 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
36 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
37 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
38 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
39 LIBC:=$(call qstrip,$(CONFIG_LIBC))
40 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
41 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
42
43 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
44
45 ifeq ($(ARCH),powerpc)
46 FPIC:=-fPIC
47 else
48 FPIC:=-fpic
49 endif
50
51 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
52 BIN_DIR:=$(TOPDIR)/bin
53 INCLUDE_DIR:=$(TOPDIR)/include
54 SCRIPT_DIR:=$(TOPDIR)/scripts
55 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
56 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
57 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
58 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
59 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
60 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
61 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
62 PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
63 STAMP_DIR:=$(BUILD_DIR)/stamp
64 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
65 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
66 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
67 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
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:=$(TARGET_CROSS)g++
107 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
108 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
109 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
110 CP:=cp -fpR
111
112 INSTALL_BIN:=install -m0755
113 INSTALL_DIR:=install -d -m0755
114 INSTALL_DATA:=install -m0644
115 INSTALL_CONF:=install -m0600
116
117 ifneq ($(CONFIG_CCACHE),)
118 # FIXME: move this variable to a better location
119 export CCACHE_DIR=$(STAGING_DIR)/ccache
120 TARGET_CC:= ccache $(TARGET_CC)
121 endif
122
123 TARGET_CONFIGURE_OPTS:= \
124 AR=$(TARGET_CROSS)ar \
125 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
126 LD=$(TARGET_CROSS)ld \
127 NM=$(TARGET_CROSS)nm \
128 CC="$(TARGET_CC)" \
129 GCC="$(TARGET_CC)" \
130 CXX="$(TARGET_CXX)" \
131 RANLIB=$(TARGET_CROSS)ranlib \
132 STRIP=$(TARGET_CROSS)strip \
133 OBJCOPY=$(TARGET_CROSS)objcopy \
134 OBJDUMP=$(TARGET_CROSS)objdump \
135 SIZE=$(TARGET_CROSS)size
136
137 # strip an entire directory
138 ifneq ($(CONFIG_NO_STRIP),)
139 RSTRIP:=:
140 else
141 RSTRIP:= \
142 NM="$(TARGET_CROSS)nm" \
143 STRIP="$(STRIP)" \
144 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
145 $(SCRIPT_DIR)/rstrip.sh
146 endif
147
148 ifeq ($(CONFIG_ENABLE_LOCALE),true)
149 DISABLE_NLS:=
150 else
151 DISABLE_NLS:=--disable-nls
152 endif
153
154 ifneq ($(CONFIG_LARGEFILE),y)
155 DISABLE_LARGEFILE= --disable-largefile
156 endif
157
158 ifeq ($(CONFIG_TAR_VERBOSITY),y)
159 TAR_OPTIONS:=-xvf -
160 else
161 TAR_OPTIONS:=-xf -
162 endif
163
164 define shvar
165 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
166 endef
167
168 define shexport
169 $(call shvar,$(1))=$$(call $(1))
170 export $(call shvar,$(1))
171 endef
172
173 # file extension
174 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
175
176 all:
177 FORCE: ;
178 .PHONY: FORCE
179
180 endif #__rules_inc