ardupilot/Tools/ardupilotwaf/boards.py

793 lines
24 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
from collections import OrderedDict
import sys, os
import waflib
from waflib import Utils
from waflib.Configure import conf
_board_classes = {}
_board = None
class BoardMeta(type):
def __init__(cls, name, bases, dct):
super(BoardMeta, cls).__init__(name, bases, dct)
if 'abstract' not in cls.__dict__:
cls.abstract = False
if cls.abstract:
return
if not hasattr(cls, 'toolchain'):
cls.toolchain = 'native'
board_name = getattr(cls, 'name', name)
if board_name in _board_classes:
raise Exception('board named %s already exists' % board_name)
_board_classes[board_name] = cls
class Board:
abstract = True
def __init__(self):
self.with_uavcan = False
def configure(self, cfg):
cfg.env.TOOLCHAIN = cfg.options.toolchain or self.toolchain
cfg.env.ROMFS_FILES = []
cfg.load('toolchain')
cfg.load('cxx_checks')
env = waflib.ConfigSet.ConfigSet()
self.configure_env(cfg, env)
# Setup scripting, had to defer this to allow checking board size
if (not cfg.options.disable_scripting) and ((cfg.env.BOARD_FLASH_SIZE is None) or (cfg.env.BOARD_FLASH_SIZE == []) or (cfg.env.BOARD_FLASH_SIZE > 1024)):
env.DEFINES.update(
ENABLE_SCRIPTING = 1,
ENABLE_HEAP = 1,
LUA_32BITS = 1,
)
env.ROMFS_FILES += [
('sandbox.lua', 'libraries/AP_Scripting/scripts/sandbox.lua'),
]
env.AP_LIBRARIES += [
'AP_Scripting',
'AP_Scripting/lua/src',
]
env.CXXFLAGS += [
'-DHAL_HAVE_AP_ROMFS_EMBEDDED_H'
]
else:
cfg.options.disable_scripting = True;
d = env.get_merged_dict()
# Always prepend so that arguments passed in the command line get
# the priority.
for k, val in d.items():
# Dictionaries (like 'DEFINES') are converted to lists to
# conform to waf conventions.
if isinstance(val, dict):
keys = list(val.keys())
if not isinstance(val, OrderedDict):
keys.sort()
val = ['%s=%s' % (vk, val[vk]) for vk in keys]
if k in cfg.env and isinstance(cfg.env[k], list):
cfg.env.prepend_value(k, val)
else:
cfg.env[k] = val
cfg.ap_common_checks()
cfg.env.prepend_value('INCLUDES', [
cfg.srcnode.find_dir('libraries/AP_Common/missing').abspath()
])
def configure_env(self, cfg, env):
# Use a dictionary instead of the convetional list for definitions to
# make easy to override them. Convert back to list before consumption.
env.DEFINES = {}
env.CFLAGS += [
'-ffunction-sections',
'-fdata-sections',
'-fsigned-char',
'-Wall',
'-Wextra',
'-Wformat',
'-Wpointer-arith',
'-Wcast-align',
'-Wundef',
'-Wno-missing-field-initializers',
'-Wno-unused-parameter',
'-Wno-redundant-decls',
'-Wno-unknown-pragmas',
'-Wno-trigraphs',
'-Werror=shadow',
'-Werror=return-type',
'-Werror=unused-result',
'-Werror=narrowing',
'-Werror=attributes',
'-Werror=overflow',
'-Werror=parentheses',
'-Werror=format-extra-args',
]
if cfg.options.scripting_checks:
env.DEFINES.update(
AP_SCRIPTING_CHECKS = 1,
)
if 'clang' in cfg.env.COMPILER_CC:
env.CFLAGS += [
'-fcolor-diagnostics',
'-Wno-gnu-designator',
'-Wno-inconsistent-missing-override',
'-Wno-mismatched-tags',
'-Wno-gnu-variable-sized-type-not-at-end',
]
if cfg.env.DEBUG:
env.CFLAGS += [
'-g',
'-O0',
]
if cfg.options.enable_math_check_indexes:
env.CXXFLAGS += ['-DMATH_CHECK_INDEXES']
env.CXXFLAGS += [
'-std=gnu++11',
'-fdata-sections',
'-ffunction-sections',
'-fno-exceptions',
'-fsigned-char',
'-Wall',
'-Wextra',
'-Wformat',
'-Wpointer-arith',
'-Wcast-align',
'-Wundef',
'-Wno-unused-parameter',
'-Wno-missing-field-initializers',
'-Wno-reorder',
'-Wno-redundant-decls',
'-Wno-unknown-pragmas',
'-Werror=attributes',
'-Werror=format-security',
'-Werror=enum-compare',
'-Werror=array-bounds',
'-Werror=uninitialized',
'-Werror=init-self',
'-Werror=narrowing',
'-Werror=return-type',
'-Werror=switch',
'-Werror=sign-compare',
'-Werror=type-limits',
'-Werror=unused-result',
'-Werror=shadow',
'-Werror=unused-variable',
'-Wfatal-errors',
'-Wno-trigraphs',
'-Werror=parentheses',
]
if 'clang++' in cfg.env.COMPILER_CXX:
env.CXXFLAGS += [
'-fcolor-diagnostics',
'-Werror=address-of-packed-member',
'-Werror=inconsistent-missing-override',
'-Werror=overloaded-virtual',
# catch conversion issues:
'-Werror=bitfield-enum-conversion',
'-Werror=bool-conversion',
'-Werror=constant-conversion',
'-Werror=enum-conversion',
'-Werror=int-conversion',
'-Werror=literal-conversion',
'-Werror=non-literal-null-conversion',
'-Werror=null-conversion',
'-Werror=objc-literal-conversion',
# '-Werror=shorten-64-to-32', # ARRAY_SIZE() creates this all over the place as the caller typically takes a uint32_t not a size_t
'-Werror=string-conversion',
# '-Werror=sign-conversion', # can't use as we assign into AP_Int8 from uint8_ts
'-Wno-gnu-designator',
'-Wno-mismatched-tags',
'-Wno-gnu-variable-sized-type-not-at-end',
]
else:
env.CXXFLAGS += [
'-Werror=unused-but-set-variable'
]
if cfg.env.DEBUG:
env.CXXFLAGS += [
'-g',
'-O0',
]
if cfg.env.DEST_OS == 'darwin':
env.LINKFLAGS += [
'-Wl,-dead_strip',
]
else:
env.LINKFLAGS += [
'-Wl,--gc-sections',
]
if self.with_uavcan:
env.AP_LIBRARIES += [
'AP_UAVCAN',
'modules/uavcan/libuavcan/src/**/*.cpp'
]
env.CXXFLAGS += [
'-Wno-error=cast-align',
]
env.DEFINES.update(
UAVCAN_CPP_VERSION = 'UAVCAN_CPP03',
UAVCAN_NO_ASSERTIONS = 1,
UAVCAN_NULLPTR = 'nullptr'
)
env.INCLUDES += [
cfg.srcnode.find_dir('modules/uavcan/libuavcan/include').abspath()
]
if cfg.env.build_dates:
env.build_dates = True
# We always want to use PRI format macros
cfg.define('__STDC_FORMAT_MACROS', 1)
def pre_build(self, bld):
'''pre-build hook that gets called before dynamic sources'''
if bld.env.ROMFS_FILES:
self.embed_ROMFS_files(bld)
def build(self, bld):
bld.ap_version_append_str('GIT_VERSION', bld.git_head_hash(short=True))
import time
ltime = time.localtime()
if bld.env.build_dates:
bld.ap_version_append_int('BUILD_DATE_YEAR', ltime.tm_year)
bld.ap_version_append_int('BUILD_DATE_MONTH', ltime.tm_mon)
bld.ap_version_append_int('BUILD_DATE_DAY', ltime.tm_mday)
def embed_ROMFS_files(self, ctx):
'''embed some files using AP_ROMFS'''
import embed
if ctx.env.USE_NUTTX_IOFW:
# use fmuv2_IO_NuttX.bin instead of fmuv2_IO.bin
for i in range(len(ctx.env.ROMFS_FILES)):
(name,filename) = ctx.env.ROMFS_FILES[i]
if name == 'io_firmware.bin':
filename = 'Tools/IO_Firmware/fmuv2_IO_NuttX.bin'
print("Using IO firmware %s" % filename)
ctx.env.ROMFS_FILES[i] = (name,filename);
header = ctx.bldnode.make_node('ap_romfs_embedded.h').abspath()
if not embed.create_embedded_h(header, ctx.env.ROMFS_FILES):
ctx.fatal("Failed to created ap_romfs_embedded.h")
Board = BoardMeta('Board', Board.__bases__, dict(Board.__dict__))
def add_dynamic_boards():
'''add boards based on existance of hwdef.dat in subdirectories for ChibiOS'''
dirname, dirlist, filenames = next(os.walk('libraries/AP_HAL_ChibiOS/hwdef'))
for d in dirlist:
if d in _board_classes.keys():
continue
hwdef = os.path.join(dirname, d, 'hwdef.dat')
if os.path.exists(hwdef):
newclass = type(d, (chibios,), {'name': d})
def get_boards_names():
add_dynamic_boards()
return sorted(list(_board_classes.keys()), key=str.lower)
def get_removed_boards():
'''list of boards which have been removed'''
return sorted(['px4-v1', 'px4-v2', 'px4-v3', 'px4-v4', 'px4-v4pro'])
@conf
def get_board(ctx):
global _board
if not _board:
if not ctx.env.BOARD:
ctx.fatal('BOARD environment variable must be set before first call to get_board()')
if ctx.env.BOARD in get_removed_boards():
ctx.fatal('''
The board target %s has been removed from ArduPilot with the removal of NuttX support and HAL_PX4.
Please use a replacement build as follows:
px4-v2 Use Pixhawk1 build
px4-v3 Use Pixhawk1 or CubeBlack builds
px4-v4 Use Pixracer build
px4-v4pro Use DrotekP3Pro build
''' % ctx.env.BOARD)
boards = _board_classes.keys()
if not ctx.env.BOARD in boards:
ctx.fatal("Invalid board '%s': choices are %s" % (ctx.env.BOARD, ', '.join(sorted(boards, key=str.lower))))
_board = _board_classes[ctx.env.BOARD]()
return _board
# NOTE: Keeping all the board definitions together so we can easily
# identify opportunities to simplify common flags. In the future might
# be worthy to keep board definitions in files of their own.
class sitl(Board):
def configure_env(self, cfg, env):
super(sitl, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD = 'HAL_BOARD_SITL',
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_NONE',
AP_SCRIPTING_CHECKS = 1, # SITL should always do runtime scripting checks
)
env.CXXFLAGS += [
'-Werror=float-equal'
]
if not cfg.env.DEBUG:
env.CXXFLAGS += [
'-O3',
]
env.LIB += [
'm',
]
cfg.check_librt(env)
env.LINKFLAGS += ['-pthread',]
env.AP_LIBRARIES += [
'AP_HAL_SITL',
'SITL',
]
if cfg.options.enable_sfml:
if not cfg.check_SFML(env):
cfg.fatal("Failed to find SFML libraries")
if cfg.options.sitl_osd:
env.CXXFLAGS += ['-DWITH_SITL_OSD','-DOSD_ENABLED=ENABLED','-DHAL_HAVE_AP_ROMFS_EMBEDDED_H']
import fnmatch
for f in os.listdir('libraries/AP_OSD/fonts'):
if fnmatch.fnmatch(f, "font*bin"):
env.ROMFS_FILES += [(f,'libraries/AP_OSD/fonts/'+f)]
if cfg.options.sitl_rgbled:
env.CXXFLAGS += ['-DWITH_SITL_RGBLED']
if cfg.options.enable_sfml_audio:
if not cfg.check_SFML_Audio(env):
cfg.fatal("Failed to find SFML Audio libraries")
env.CXXFLAGS += ['-DWITH_SITL_TONEALARM']
if cfg.options.sitl_flash_storage:
env.CXXFLAGS += ['-DSTORAGE_USE_FLASH=1']
if cfg.env.DEST_OS == 'cygwin':
env.LIB += [
'winmm',
]
if Utils.unversioned_sys_platform() == 'cygwin':
env.CXXFLAGS += ['-DCYGWIN_BUILD']
if 'clang++' in cfg.env.COMPILER_CXX:
print("Disabling SLP for clang++")
env.CXXFLAGS += [
'-fno-slp-vectorize' # compiler bug when trying to use SLP
]
class chibios(Board):
abstract = True
toolchain = 'arm-none-eabi'
def configure_env(self, cfg, env):
super(chibios, self).configure_env(cfg, env)
cfg.load('chibios')
env.BOARD = self.name
env.DEFINES.update(
CONFIG_HAL_BOARD = 'HAL_BOARD_CHIBIOS',
HAVE_OCLOEXEC = 0,
HAVE_STD_NULLPTR_T = 0,
)
env.AP_LIBRARIES += [
'AP_HAL_ChibiOS',
]
# make board name available for USB IDs
env.CHIBIOS_BOARD_NAME = 'HAL_BOARD_NAME="%s"' % self.name
env.CFLAGS += cfg.env.CPU_FLAGS + [
'-Wno-cast-align',
'-Wlogical-op',
'-Wframe-larger-than=1300',
'-fsingle-precision-constant',
'-Wno-attributes',
'-Wno-error=double-promotion',
'-Wno-error=missing-declarations',
'-Wno-error=float-equal',
'-Wno-error=undef',
'-Wno-error=cpp',
'-fno-exceptions',
'-Wall',
'-Wextra',
'-Wno-sign-compare',
'-Wfloat-equal',
'-Wpointer-arith',
'-Wmissing-declarations',
'-Wno-unused-parameter',
'-Werror=array-bounds',
'-Wfatal-errors',
'-Werror=uninitialized',
'-Werror=init-self',
'-Wframe-larger-than=1024',
'-Werror=unused-but-set-variable',
'-Wno-missing-field-initializers',
'-Wno-trigraphs',
'-fno-strict-aliasing',
'-fomit-frame-pointer',
'-falign-functions=16',
'-ffunction-sections',
'-fdata-sections',
'-fno-strength-reduce',
'-fno-builtin-printf',
'-fno-builtin-fprintf',
'-fno-builtin-vprintf',
'-fno-builtin-vfprintf',
'-fno-builtin-puts',
'-mno-thumb-interwork',
'-mthumb',
'--specs=nano.specs',
'-specs=nosys.specs',
'-DCHIBIOS_BOARD_NAME="%s"' % self.name,
]
env.CXXFLAGS += env.CFLAGS + [
'-fno-rtti',
'-fno-threadsafe-statics',
]
if Utils.unversioned_sys_platform() == 'cygwin':
env.CXXFLAGS += ['-DCYGWIN_BUILD']
bldnode = cfg.bldnode.make_node(self.name)
env.BUILDROOT = bldnode.make_node('').abspath()
env.LINKFLAGS = cfg.env.CPU_FLAGS + [
'-fomit-frame-pointer',
'-falign-functions=16',
'-ffunction-sections',
'-fdata-sections',
'-u_port_lock',
'-u_port_unlock',
'-u_exit',
'-u_kill',
'-u_getpid',
'-u_errno',
'-uchThdExit',
'-fno-common',
'-nostartfiles',
'-mno-thumb-interwork',
'-mthumb',
'-specs=nano.specs',
'-specs=nosys.specs',
'-L%s' % env.BUILDROOT,
'-L%s' % cfg.srcnode.make_node('modules/ChibiOS/os/common/startup/ARMCMx/compilers/GCC/ld/').abspath(),
'-L%s' % cfg.srcnode.make_node('libraries/AP_HAL_ChibiOS/hwdef/common/').abspath(),
'-Wl,--gc-sections,--no-warn-mismatch,--library-path=/ld,--script=ldscript.ld,--defsym=__process_stack_size__=%s,--defsym=__main_stack_size__=%s' % (cfg.env.PROCESS_STACK, cfg.env.MAIN_STACK)
]
if cfg.env.DEBUG:
env.CFLAGS += [
'-gdwarf-4',
'-g3',
]
env.LINKFLAGS += [
'-gdwarf-4',
'-g3',
]
if cfg.env.ENABLE_ASSERTS:
cfg.msg("Enabling ChibiOS asserts", "yes")
env.CFLAGS += [ '-DHAL_CHIBIOS_ENABLE_ASSERTS' ]
env.CXXFLAGS += [ '-DHAL_CHIBIOS_ENABLE_ASSERTS' ]
else:
cfg.msg("Enabling ChibiOS asserts", "no")
env.LIB += ['gcc', 'm']
env.GIT_SUBMODULES += [
'ChibiOS',
]
try:
import intelhex
env.HAVE_INTEL_HEX = True
cfg.msg("Checking for intelhex module:", 'OK')
except Exception:
cfg.msg("Checking for intelhex module:", 'disabled', color='YELLOW')
env.HAVE_INTEL_HEX = False
def build(self, bld):
super(chibios, self).build(bld)
bld.ap_version_append_str('CHIBIOS_GIT_VERSION', bld.git_submodule_head_hash('ChibiOS', short=True))
bld.load('chibios')
def pre_build(self, bld):
'''pre-build hook that gets called before dynamic sources'''
super(chibios, self).pre_build(bld)
from waflib.Context import load_tool
module = load_tool('chibios', [], with_sys_path=True)
fun = getattr(module, 'pre_build', None)
if fun:
fun(bld)
class linux(Board):
def configure_env(self, cfg, env):
super(linux, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD = 'HAL_BOARD_LINUX',
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_NONE',
)
if not cfg.env.DEBUG:
env.CXXFLAGS += [
'-O3',
]
env.LIB += [
'm',
]
cfg.check_librt(env)
cfg.check_lttng(env)
cfg.check_libdl(env)
cfg.check_libiio(env)
env.LINKFLAGS += ['-pthread',]
env.AP_LIBRARIES += [
'AP_HAL_Linux',
]
if self.with_uavcan:
cfg.define('UAVCAN_EXCEPTIONS', 0)
if cfg.options.apstatedir:
cfg.define('AP_STATEDIR', cfg.options.apstatedir)
def build(self, bld):
super(linux, self).build(bld)
if bld.options.upload:
waflib.Options.commands.append('rsync')
# Avoid infinite recursion
bld.options.upload = False
class erleboard(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(erleboard, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_ERLEBOARD',
)
class navio(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(navio, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_NAVIO',
)
class navio2(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(navio2, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_NAVIO2',
)
class edge(linux):
toolchain = 'arm-linux-gnueabihf'
def __init__(self):
self.with_uavcan = True
def configure_env(self, cfg, env):
super(edge, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_EDGE',
)
class zynq(linux):
toolchain = 'arm-xilinx-linux-gnueabi'
def configure_env(self, cfg, env):
super(zynq, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_ZYNQ',
)
class ocpoc_zynq(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(ocpoc_zynq, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_OCPOC_ZYNQ',
)
class bbbmini(linux):
toolchain = 'arm-linux-gnueabihf'
def __init__(self):
self.with_uavcan = True
def configure_env(self, cfg, env):
super(bbbmini, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_BBBMINI',
)
class blue(linux):
toolchain = 'arm-linux-gnueabihf'
def __init__(self):
self.with_uavcan = True
def configure_env(self, cfg, env):
super(blue, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_BLUE',
)
class pocket(linux):
toolchain = 'arm-linux-gnueabihf'
def __init__(self):
self.with_uavcan = True
def configure_env(self, cfg, env):
super(pocket, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_POCKET',
)
class pxf(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(pxf, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_PXF',
)
class bebop(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(bebop, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_BEBOP',
)
class disco(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(disco, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_DISCO',
)
class erlebrain2(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(erlebrain2, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_ERLEBRAIN2',
)
class bhat(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(bhat, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_BH',
)
class dark(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(dark, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_DARK',
)
class pxfmini(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(pxfmini, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_PXFMINI',
)
class aero(linux):
def __init__(self):
self.with_uavcan = True
def configure_env(self, cfg, env):
super(aero, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_AERO',
)
class rst_zynq(linux):
toolchain = 'arm-linux-gnueabihf'
def configure_env(self, cfg, env):
super(rst_zynq, self).configure_env(cfg, env)
env.DEFINES.update(
CONFIG_HAL_BOARD_SUBTYPE = 'HAL_BOARD_SUBTYPE_LINUX_RST_ZYNQ',
)
class SITL_static(sitl):
def configure_env(self, cfg, env):
super(SITL_static, self).configure_env(cfg, env)
cfg.env.STATIC_LINKING = True
class SITL_x86_64_linux_gnu(SITL_static):
toolchain = 'x86_64-linux-gnu'
class SITL_arm_linux_gnueabihf(SITL_static):
toolchain = 'arm-linux-gnueabihf'