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
|
include $(TOPDIR)/.config
MAKE1=make
MAKEFLAGS=-j$(BR2_JLEVEL)
# Strip off the annoying quoting
ARCH:=$(strip $(subst ",, $(BR2_ARCH)))
#"
WGET:=$(strip $(subst ",, $(BR2_WGET)))
#"
GCC_VERSION:=$(strip $(subst ",, $(BR2_GCC_VERSION)))
#"
GCC_USE_SJLJ_EXCEPTIONS:=$(strip $(subst ",, $(BR2_GCC_USE_SJLJ_EXCEPTIONS)))
#"
TARGET_OPTIMIZATION:=$(strip $(subst ",, $(BR2_TARGET_OPTIMIZATION)))
#""
ifeq ($(BR2_SOFT_FLOAT),y)
# gcc 3.4.x soft float configuration is different than previous versions.
ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
else
SOFT_FLOAT_CONFIG_OPTION:=--without-float
endif
TARGET_SOFT_FLOAT:=-msoft-float
ARCH_FPU_SUFFIX:=_nofpu
else
SOFT_FLOAT_CONFIG_OPTION:=
TARGET_SOFT_FLOAT:=
ARCH_FPU_SUFFIX:=
endif
ifeq ($(BR2_TAR_VERBOSITY),y)
TAR_OPTIONS=-xvf
else
TAR_OPTIONS=-xf
endif
ifneq ($(BR2_LARGEFILE),y)
DISABLE_LARGEFILE= --disable-largefile
endif
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
OPTIMIZE_FOR_CPU=$(ARCH)
HOSTCC:=gcc
BASE_DIR:=$(TOPDIR)
DL_DIR:=$(BASE_DIR)/dl
BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
SCRIPT_DIR:=$(BASE_DIR)/scripts
BIN_DIR:=$(BASE_DIR)/bin
STAMP_DIR:=$(BUILD_DIR)/stamp
PACKAGE_DIR:=$(BIN_DIR)/packages
TARGET_DIR:=$(BUILD_DIR)/root
STAMP_DIR:=$(BUILD_DIR)/stamp
TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
# Strip off the annoying quoting
STAGING_DIR:=$(strip $(subst ",, $(BR2_STAGING_DIR)))
#"
TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
TARGET_CC:=$(TARGET_CROSS)gcc
#STRIP:=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
STRIP:=$(STAGING_DIR)/bin/sstrip
PATCH=$(SCRIPT_DIR)/patch-kernel.sh
SED:=$(STAGING_DIR)/bin/sed -i -e
LINUX_DIR:=$(BUILD_DIR)/linux
LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
-e 's/sparc.*/sparc/' \
-e 's/arm.*/arm/g' \
-e 's/m68k.*/m68k/' \
-e 's/ppc/powerpc/g' \
-e 's/v850.*/v850/g' \
-e 's/sh[234]/sh/' \
-e 's/mips-.*/mips/' \
-e 's/mipsel-.*/mipsel/' \
-e 's/cris.*/cris/' \
-e 's/i[3-9]86/i386/' \
)
GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
AR=$(TARGET_CROSS)ar \
AS=$(TARGET_CROSS)as \
LD=$(TARGET_CROSS)ld \
NM=$(TARGET_CROSS)nm \
CC=$(TARGET_CROSS)gcc \
GCC=$(TARGET_CROSS)gcc \
CXX=$(TARGET_CROSS)g++ \
RANLIB=$(TARGET_CROSS)ranlib
ifeq ($(ENABLE_LOCALE),true)
DISABLE_NLS:=
else
DISABLE_NLS:=--disable-nls
endif
ifeq ($(BR2_ENABLE_MULTILIB),y)
MULTILIB:=--enable-multilib
endif
# invoke ipkg with configuration in $(STAGING_DIR)/etc/ipkg.conf
IPKG := IPKG_INSTROOT=$(TARGET_DIR) IPKG_CONF_DIR=$(STAGING_DIR)/etc $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
# invoke ipkg-build with some default options
IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
# where to build (and put) .ipk packages
IPKG_TARGET_DIR := $(PACKAGE_DIR)
RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
|
