replace a few unnecessary $(shell) calls
[openwrt/openwrt.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 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
68 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
69 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
70 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
71 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
72 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
73
74 ifndef DUMP
75 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
76 -include $(TOOLCHAIN_DIR)/info.mk
77 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
78 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
79 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
80 TARGET_CFLAGS+= -fhonour-copts
81 endif
82 endif
83
84 ifeq ($(CONFIG_SOFT_FLOAT),y)
85 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
86 TARGET_CFLAGS+= -msoft-float
87 else
88 SOFT_FLOAT_CONFIG_OPTION:=
89 endif
90
91 export PATH:=$(TARGET_PATH)
92 export STAGING_DIR
93 export GCC_HONOUR_COPTS:=0
94
95 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
96
97 export PKG_CONFIG
98
99 HOSTCC:=gcc
100 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
101 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
102
103 TARGET_CC:=$(TARGET_CROSS)gcc
104 TARGET_CXX:=$(TARGET_CROSS)g++
105 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
106 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
107 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
108 CP:=cp -fpR
109
110 INSTALL_BIN:=install -m0755
111 INSTALL_DIR:=install -d -m0755
112 INSTALL_DATA:=install -m0644
113 INSTALL_CONF:=install -m0600
114
115 ifneq ($(CONFIG_CCACHE),)
116 # FIXME: move this variable to a better location
117 export CCACHE_DIR=$(STAGING_DIR)/ccache
118 TARGET_CC:= ccache $(TARGET_CC)
119 endif
120
121 TARGET_CONFIGURE_OPTS:= \
122 AR=$(TARGET_CROSS)ar \
123 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
124 LD=$(TARGET_CROSS)ld \
125 NM=$(TARGET_CROSS)nm \
126 CC="$(TARGET_CC)" \
127 GCC="$(TARGET_CC)" \
128 CXX="$(TARGET_CXX)" \
129 RANLIB=$(TARGET_CROSS)ranlib \
130 STRIP=$(TARGET_CROSS)strip \
131 OBJCOPY=$(TARGET_CROSS)objcopy \
132 OBJDUMP=$(TARGET_CROSS)objdump \
133 SIZE=$(TARGET_CROSS)size
134
135 # strip an entire directory
136 ifneq ($(CONFIG_NO_STRIP),)
137 RSTRIP:=:
138 else
139 RSTRIP:= \
140 NM="$(TARGET_CROSS)nm" \
141 STRIP="$(STRIP)" \
142 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
143 $(SCRIPT_DIR)/rstrip.sh
144 endif
145
146 ifeq ($(CONFIG_ENABLE_LOCALE),true)
147 DISABLE_NLS:=
148 else
149 DISABLE_NLS:=--disable-nls
150 endif
151
152 ifneq ($(CONFIG_LARGEFILE),y)
153 DISABLE_LARGEFILE= --disable-largefile
154 endif
155
156 ifeq ($(CONFIG_TAR_VERBOSITY),y)
157 TAR_OPTIONS:=-xvf -
158 else
159 TAR_OPTIONS:=-xf -
160 endif
161
162 define shvar
163 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
164 endef
165
166 define shexport
167 $(call shvar,$(1))=$$(call $(1))
168 export $(call shvar,$(1))
169 endef
170
171 # file extension
172 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
173
174 all:
175 FORCE: ;
176 .PHONY: FORCE
177
178 endif #__rules_inc