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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
#
# 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=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
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:=$(TOPDIR)/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/sbin:$(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
INSTALL_BIN:=install -m0755
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600
ifneq ($(CONFIG_CCACHE),)
# FIXME: move this variable to a better location
export CCACHE_DIR=$(STAGING_DIR)/ccache
TARGET_CC:= ccache $(TARGET_CC)
endif
EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
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 \
OBJCOPY=$(TARGET_CROSS)objcopy \
OBJDUMP=$(TARGET_CROSS)objdump
# strip an entire directory
RSTRIP:= \
NM="$(TARGET_CROSS)nm" \
STRIP="$(STRIP)" \
STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
$(SCRIPT_DIR)/rstrip.sh
# where to build (and put) .ipk packages
IPKG:= \
PATH="$(STAGING_DIR)/bin:$(PATH)" \
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
define shvar
V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
endef
define shexport
$(call shvar,$(1))=$$(call $(1))
export $(call shvar,$(1))
endef
# Default targets for subdirectory calls
# Parameters:
# 1: dependencies for the prepare step
define default_subtargets
%-download %-prepare %-compile %-install %-clean: FORCE
$$(MAKE) -C $$* $$(patsubst $$*-%,%,$$@)
%-compile: %-prepare
%-install: %-compile
.SILENT: %-clean
endef
all:
FORCE: ;
.PHONY: FORCE
%: ;
|