eb62112a8226ababe204d34fed0538eb96620ad1
[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 ifeq ($(DUMP),)
9 -include $(TOPDIR)/.config
10 endif
11 include $(TOPDIR)/include/debug.mk
12 include $(TOPDIR)/include/verbose.mk
13
14 TMP_DIR:=$(TOPDIR)/tmp
15
16 include $(TOPDIR)/include/target.mk
17
18 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
19
20 define qstrip
21 $(strip $(subst ",,$(1)))
22 endef
23 #"))
24
25 ARCH:=$(call qstrip,$(CONFIG_ARCH))
26 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
27 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
28 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
29 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
30
31 OPTIMIZE_FOR_CPU:=$(ARCH)
32
33 DL_DIR:=$(TOPDIR)/dl
34 BIN_DIR:=$(TOPDIR)/bin
35 INCLUDE_DIR:=$(TOPDIR)/include
36 SCRIPT_DIR:=$(TOPDIR)/scripts
37 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
38 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
39 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
40 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)
41 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
42 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
43 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
44 PACKAGE_DIR:=$(BIN_DIR)/packages/$(TARGET)
45 STAMP_DIR:=$(BUILD_DIR)/stamp
46 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
47 TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
48 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
49
50 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
51 -include $(TOOLCHAIN_DIR)/info.mk
52 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
53 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
54 TARGET_CROSS?=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
55 endif
56
57 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/usr/bin:$(PATH)
58 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
59 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
60 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
61
62 export PATH:=$(TARGET_PATH)
63
64 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
65
66 HOSTCC:=gcc
67 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
68 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
69
70 TARGET_CC:=$(TARGET_CROSS)gcc
71 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
72 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
73 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
74 CP:=cp -fpR
75
76 INSTALL_BIN:=install -m0755
77 INSTALL_DIR:=install -d -m0755
78 INSTALL_DATA:=install -m0644
79 INSTALL_CONF:=install -m0600
80
81 ifneq ($(CONFIG_CCACHE),)
82 # FIXME: move this variable to a better location
83 export CCACHE_DIR=$(STAGING_DIR)/ccache
84 TARGET_CC:= ccache $(TARGET_CC)
85 endif
86
87 TARGET_CONFIGURE_OPTS:= \
88 AR=$(TARGET_CROSS)ar \
89 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
90 LD=$(TARGET_CROSS)ld \
91 NM=$(TARGET_CROSS)nm \
92 CC="$(TARGET_CC)" \
93 GCC="$(TARGET_CC)" \
94 CXX=$(TARGET_CROSS)g++ \
95 RANLIB=$(TARGET_CROSS)ranlib \
96 STRIP=$(TARGET_CROSS)strip \
97 OBJCOPY=$(TARGET_CROSS)objcopy \
98 OBJDUMP=$(TARGET_CROSS)objdump \
99 SIZE=$(TARGET_CROSS)size
100
101 # strip an entire directory
102 RSTRIP:= \
103 NM="$(TARGET_CROSS)nm" \
104 STRIP="$(STRIP)" \
105 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
106 $(SCRIPT_DIR)/rstrip.sh
107
108 ifeq ($(CONFIG_ENABLE_LOCALE),true)
109 DISABLE_NLS:=
110 else
111 DISABLE_NLS:=--disable-nls
112 endif
113
114 ifneq ($(CONFIG_LARGEFILE),y)
115 DISABLE_LARGEFILE= --disable-largefile
116 endif
117
118 ifeq ($(CONFIG_TAR_VERBOSITY),y)
119 TAR_OPTIONS:=-xvf -
120 else
121 TAR_OPTIONS:=-xf -
122 endif
123
124 define shvar
125 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
126 endef
127
128 define shexport
129 $(call shvar,$(1))=$$(call $(1))
130 export $(call shvar,$(1))
131 endef
132
133 all:
134 FORCE: ;
135 .PHONY: FORCE