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
|
#
GCC_VERSION:=$(strip $(subst ",, $(BR2_GCC_VERSION)))
#"))
TARGET_OPTIMIZATION:=$(strip $(subst ",, $(BR2_TARGET_OPTIMIZATION)))
#"))
EXTRA_GCC_CONFIG_OPTIONS:=$(strip $(subst ",, $(BR2_EXTRA_GCC_CONFIG_OPTIONS)))
#"))
#")))
ifeq ($(strip $(BR2_GCC_USE_SJLJ_EXCEPTIONS)),y)
GCC_USE_SJLJ_EXCEPTIONS:=--enable-sjlj-exceptions
endif
ifeq ($(BR2_SOFT_FLOAT),y)
# gcc 3.4.x soft float configuration is different than previous versions.
ifeq ($(findstring x3.4.,x$(GCC_VERSION)),x3.4.)
ifneq ($(BR2_nios2),y)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
endif
else
SOFT_FLOAT_CONFIG_OPTION:=--without-float
endif
# again... there must be a better way
ifeq ($(findstring x4.,x$(GCC_VERSION)),x4.)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
ifeq ($(BR2_SOFT_FLOAT_FP),y)
TARGET_SOFT_FLOAT:=-mfloat-abi=softfp
else # no fp at all
ifeq ($(BR2_arm),y) # only set float-abi for arm
TARGET_SOFT_FLOAT:=-mfloat-abi=soft
else
TARGET_SOFT_FLOAT:=-msoft-float
endif
endif
else # not gcc-4.x
TARGET_SOFT_FLOAT:=-msoft-float
endif
ARCH_FPU_SUFFIX:=_nofpu
else # no softfloat support
SOFT_FLOAT_CONFIG_OPTION:=
TARGET_SOFT_FLOAT:=
ARCH_FPU_SUFFIX:=
endif
# some additional tuning values
ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_ARCH))),)
# ")))
GCC_WITH_ARCH:=--with-arch=$(BR2_GCC_TARGET_ARCH)
endif
ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_TUNE))),)
# ")))
GCC_WITH_TUNE:=--with-tune=$(BR2_GCC_TARGET_TUNE)
endif
ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_ABI))),)
# ")))
GCC_WITH_ABI:=--with-abi=$(BR2_GCC_TARGET_ABI)
endif
ifdef BR2_cortex_m0
GCC_WITH_MODE:=--with-mode=thumb
endif
ifdef BR2_cortex_m3
GCC_WITH_MODE:=--with-mode=thumb
endif
|
