credit where credit is due
[oweals/openwrt.git] / openwrt / 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 -include $(TOPDIR)/.config
9 include $(TOPDIR)/include/verbose.mk
10
11 export SHELL=/bin/bash
12
13 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
14 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
15 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
16 #"))"))")) # fix vim's broken syntax highlighting
17
18 OPTIMIZE_FOR_CPU:=$(ARCH)
19
20 # DIRECTORIES #
21
22 DL_DIR:=$(TOPDIR)/dl
23 INCLUDE_DIR:=$(TOPDIR)/include
24 SCRIPT_DIR:=$(TOPDIR)/scripts
25 TOOL_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
26 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
27 BIN_DIR:=$(TOPDIR)/bin
28 PACKAGE_DIR:=$(BIN_DIR)/packages
29 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
30 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
31 STAMP_DIR:=$(BUILD_DIR)/stamp
32 TARGET_DIR:=$(BUILD_DIR)/root
33 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
34
35 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
36 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
37 KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
38 TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
39 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
40
41 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
42 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
43
44 LINUX_DIR:=$(BUILD_DIR)/linux
45 LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
46
47 # APPLICATIONS #
48 HOSTCC:=gcc
49 TARGET_CC:=$(TARGET_CROSS)gcc
50 STRIP:=$(STAGING_DIR)/bin/sstrip
51 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
52 SED:=$(STAGING_DIR)/bin/sed -i -e
53 CP:=cp -fpR
54
55 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
56         -e 's/sparc.*/sparc/' \
57         -e 's/arm.*/arm/' \
58         -e 's/m68k.*/m68k/' \
59         -e 's/ppc/powerpc/' \
60         -e 's/v850.*/v850/' \
61         -e 's/sh[234]/sh/' \
62         -e 's/mips-.*/mips/' \
63         -e 's/mipsel-.*/mipsel/' \
64         -e 's/cris.*/cris/' \
65         -e 's/i[3-9]86/i386/' \
66         )
67
68 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
69
70 TARGET_CONFIGURE_OPTS:= \
71   PATH=$(TARGET_PATH) \
72   AR=$(TARGET_CROSS)ar \
73   AS=$(TARGET_CROSS)as \
74   LD=$(TARGET_CROSS)ld \
75   NM=$(TARGET_CROSS)nm \
76   CC=$(TARGET_CROSS)gcc \
77   GCC=$(TARGET_CROSS)gcc \
78   CXX=$(TARGET_CROSS)g++ \
79   RANLIB=$(TARGET_CROSS)ranlib \
80   STRIP=$(TARGET_CROSS)strip
81
82 # strip an entire directory
83 RSTRIP:= \
84   STRIP="$(STRIP)" \
85   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
86   $(SCRIPT_DIR)/rstrip.sh
87
88 # where to build (and put) .ipk packages
89 IPKG:= \
90   IPKG_TMP=$(BUILD_DIR)/tmp \
91   IPKG_INSTROOT=$(TARGET_DIR) \
92   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
93   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
94   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
95
96 # invoke ipkg-build with some default options
97 IPKG_BUILD:= \
98   PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
99
100 ifeq ($(CONFIG_ENABLE_LOCALE),true)
101   DISABLE_NLS:=
102 else
103   DISABLE_NLS:=--disable-nls
104 endif
105
106 ifneq ($(CONFIG_LARGEFILE),y)
107   DISABLE_LARGEFILE= --disable-largefile
108 endif
109
110 ifeq ($(CONFIG_TAR_VERBOSITY),y)
111   TAR_OPTIONS=-xvf
112 else
113   TAR_OPTIONS=-xf
114 endif
115
116 all:
117 FORCE: ;
118 .PHONY: FORCE