summaryrefslogtreecommitdiff
path: root/rules.mk
blob: 0ec5daf086e354ba60fc884dabbf7a0c2da2fcc7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
# 
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

-include $(TOPDIR)/.config
include $(TOPDIR)/include/verbose.mk

export SHELL=/bin/bash

ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
#"))"))")) # fix vim's broken syntax highlighting

OPTIMIZE_FOR_CPU:=$(ARCH)

# DIRECTORIES #

DL_DIR:=$(TOPDIR)/dl
INCLUDE_DIR:=$(TOPDIR)/include
SCRIPT_DIR:=$(TOPDIR)/scripts
TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
BIN_DIR:=$(TOPDIR)/bin
PACKAGE_DIR:=$(BIN_DIR)/packages
IPKG_TARGET_DIR:=$(PACKAGE_DIR)
BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
TMP_DIR:=$(BUILD_DIR)/tmp
STAMP_DIR:=$(BUILD_DIR)/stamp
TARGET_DIR:=$(BUILD_DIR)/root
IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg

ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
endif

IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)

TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)

export PATH:=$(TARGET_PATH)

LINUX_DIR:=$(BUILD_DIR)/linux
LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux

# APPLICATIONS #
HOSTCC:=gcc
TARGET_CC:=$(TARGET_CROSS)gcc
STRIP:=$(STAGING_DIR)/bin/sstrip
PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
SED:=$(STAGING_DIR)/bin/sed -i -e
CP:=cp -fpR

ifneq ($(CONFIG_CCACHE),)
  # FIXME: move this variable to a better location
  export CCACHE_DIR=$(STAGING_DIR)/ccache
  TARGET_CC:= ccache $(TARGET_CC)
endif

HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
	-e 's/sparc.*/sparc/' \
	-e 's/arm.*/arm/' \
	-e 's/m68k.*/m68k/' \
	-e 's/ppc/powerpc/' \
	-e 's/v850.*/v850/' \
	-e 's/sh[234]/sh/' \
	-e 's/mips-.*/mips/' \
	-e 's/mipsel-.*/mipsel/' \
	-e 's/cris.*/cris/' \
	-e 's/i[3-9]86/i386/' \
	)

GNU_HOST_NAME:=$(shell $(HOSTCC) -dumpmachine)

TARGET_CONFIGURE_OPTS:= \
  AR=$(TARGET_CROSS)ar \
  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  LD=$(TARGET_CROSS)ld \
  NM=$(TARGET_CROSS)nm \
  CC="$(TARGET_CC)" \
  GCC="$(TARGET_CC)" \
  CXX=$(TARGET_CROSS)g++ \
  RANLIB=$(TARGET_CROSS)ranlib \
  STRIP=$(TARGET_CROSS)strip

# strip an entire directory
RSTRIP:= \
  STRIP="$(STRIP)" \
  STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  $(SCRIPT_DIR)/rstrip.sh

# where to build (and put) .ipk packages
IPKG:= \
  IPKG_TMP=$(BUILD_DIR)/tmp \
  IPKG_INSTROOT=$(TARGET_DIR) \
  IPKG_CONF_DIR=$(STAGING_DIR)/etc \
  IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
  $(SCRIPT_DIR)/ipkg -force-defaults -force-depends

# invoke ipkg-build with some default options
IPKG_BUILD:= \
  ipkg-build -c -o 0 -g 0

ifeq ($(CONFIG_ENABLE_LOCALE),true)
  DISABLE_NLS:=
else
  DISABLE_NLS:=--disable-nls
endif

ifneq ($(CONFIG_LARGEFILE),y)
  DISABLE_LARGEFILE= --disable-largefile
endif

ifeq ($(CONFIG_TAR_VERBOSITY),y)
  TAR_OPTIONS=-xvf
else
  TAR_OPTIONS=-xf
endif

all:
FORCE: ;
.PHONY: FORCE
%: ;