revert CONFIG_* symbols set m enforcement introduced in [8591], it can't work when...
[openwrt/openwrt.git] / rules.mk
1 #
2 # Copyright (C) 2006 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 define qstrip
22 $(strip $(subst ",,$(1)))
23 endef
24 #"))
25
26 ARCH:=$(call qstrip,$(CONFIG_ARCH))
27 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
28 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
29 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
30 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
31 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
32
33 OPTIMIZE_FOR_CPU:=$(ARCH)
34
35 DL_DIR:=$(TOPDIR)/dl
36 BIN_DIR:=$(TOPDIR)/bin
37 INCLUDE_DIR:=$(TOPDIR)/include
38 SCRIPT_DIR:=$(TOPDIR)/scripts
39 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
40 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
41 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
42 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
43 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
44 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
45 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
46 PACKAGE_DIR:=$(BIN_DIR)/packages/$(TARGET)
47 STAMP_DIR:=$(BUILD_DIR)/stamp
48 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
49 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
50 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
51
52 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
53 -include $(TOOLCHAIN_DIR)/info.mk
54 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
55 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
56 TARGET_CROSS?=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
57 endif
58
59 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/usr/bin:$(PATH)
60 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
61 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
62 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
63
64 export PATH:=$(TARGET_PATH)
65
66 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
67
68 HOSTCC:=gcc
69 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
70 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
71
72 TARGET_CC:=$(TARGET_CROSS)gcc
73 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
74 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
75 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
76 CP:=cp -fpR
77
78 INSTALL_BIN:=install -m0755
79 INSTALL_DIR:=install -d -m0755
80 INSTALL_DATA:=install -m0644
81 INSTALL_CONF:=install -m0600
82
83 ifneq ($(CONFIG_CCACHE),)
84 # FIXME: move this variable to a better location
85 export CCACHE_DIR=$(STAGING_DIR)/ccache
86 TARGET_CC:= ccache $(TARGET_CC)
87 endif
88
89 TARGET_CONFIGURE_OPTS:= \
90 AR=$(TARGET_CROSS)ar \
91 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
92 LD=$(TARGET_CROSS)ld \
93 NM=$(TARGET_CROSS)nm \
94 CC="$(TARGET_CC)" \
95 GCC="$(TARGET_CC)" \
96 CXX=$(TARGET_CROSS)g++ \
97 RANLIB=$(TARGET_CROSS)ranlib \
98 STRIP=$(TARGET_CROSS)strip \
99 OBJCOPY=$(TARGET_CROSS)objcopy \
100 OBJDUMP=$(TARGET_CROSS)objdump \
101 SIZE=$(TARGET_CROSS)size
102
103 # strip an entire directory
104 RSTRIP:= \
105 NM="$(TARGET_CROSS)nm" \
106 STRIP="$(STRIP)" \
107 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
108 $(SCRIPT_DIR)/rstrip.sh
109
110 ifeq ($(CONFIG_ENABLE_LOCALE),true)
111 DISABLE_NLS:=
112 else
113 DISABLE_NLS:=--disable-nls
114 endif
115
116 ifneq ($(CONFIG_LARGEFILE),y)
117 DISABLE_LARGEFILE= --disable-largefile
118 endif
119
120 ifeq ($(CONFIG_TAR_VERBOSITY),y)
121 TAR_OPTIONS:=-xvf -
122 else
123 TAR_OPTIONS:=-xf -
124 endif
125
126 define shvar
127 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
128 endef
129
130 define shexport
131 $(call shvar,$(1))=$$(call $(1))
132 export $(call shvar,$(1))
133 endef
134
135 all:
136 FORCE: ;
137 .PHONY: FORCE
138
139 endif #__rules_inc