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- TOOLCHAIN_SANITY_VERSION = "1"
- def check_toolchain_sanity(d, generate_events=False):
- import shlex
- import tempfile
- if not d.getVar('TCMODE', True).startswith('external'):
- return
- extpath = d.getVar('EXTERNAL_TOOLCHAIN', True)
- # Test 1: EXTERNAL_TOOLCHAIN exists
- if not os.path.exists(extpath):
- raise_exttc_sanity_error('EXTERNAL_TOOLCHAIN path `%s` does not exist' % extpath, d, generate_events)
- extpath = os.path.realpath(extpath)
- sanity_file = d.expand('${TOPDIR}/conf/exttc_sanity_info')
- version = d.getVar('TOOLCHAIN_SANITY_VERSION', True)
- check, config = should_run(sanity_file, {'version': version, 'path': extpath})
- if not check:
- return
- cfgdata = config['DEFAULT']
- # Test 2: EXTERNAL_TARGET_SYS is set correctly
- if d.getVar('EXTERNAL_TARGET_SYS', True) == 'UNKNOWN':
- raise_exttc_sanity_error('Unable to locate prefixed gcc binary for %s in EXTERNAL_TOOLCHAIN_BIN (%s)' % (d.getVar('TARGET_SYS', True), d.getVar('EXTERNAL_TOOLCHAIN_BIN', True)), d, generate_events)
- # Test 3: gcc binary exists
- gcc = d.expand('${EXTERNAL_TOOLCHAIN_BIN}/${EXTERNAL_TARGET_SYS}-gcc')
- if not os.path.exists(gcc):
- raise_exttc_sanity_error('Compiler path `%s` does not exist' % gcc, d, generate_events)
- # Test 4: we can run it to get the version
- cmd = d.expand('${EXTERNAL_TOOLCHAIN_BIN}/${EXTERNAL_TARGET_SYS}-gcc -dumpversion')
- sourcery_version = exttc_sanity_run(shlex.split(cmd), d, generate_events)
- if cfgdata.get('sourcery_version') == sourcery_version:
- return
- # Test 5: we can compile an empty test app
- with tempfile.TemporaryDirectory() as tmpdir:
- with open(os.path.join(tmpdir, 'test.c'), 'w') as f:
- f.write('int main() {}')
- # The external toolchain recipes haven't necessarily been built, so we
- # need to drop --sysroot= and --no-sysroot-suffix and use the bits in
- # the external toolchain sysroots for this test
- l = d.createCopy()
- l.setVar('TOOLCHAIN_OPTIONS', '')
- l.setVar('TARGET_PREFIX', '${EXTERNAL_TARGET_SYS}-')
- l.setVar('HOST_CC_ARCH_remove', '--no-sysroot-suffix')
- cmd = l.expand('${EXTERNAL_TOOLCHAIN_BIN}/${CC} ${HOST_CC_ARCH} ${CFLAGS} ${LDFLAGS} test.c -o test')
- exttc_sanity_run(shlex.split(cmd), d, generate_events, tmpdir)
- with open(sanity_file, 'w') as f:
- config.write(f)
- def should_run(cfgfile, expected):
- import configparser
- config = configparser.ConfigParser()
- readfiles = config.read(cfgfile)
- cfgdata = config['DEFAULT']
- if cfgfile in readfiles and cfgdata == expected:
- return False, None
- cfgdata.update(expected)
- return True, config
- def raise_exttc_sanity_error(msg, d, generate_events):
- msg = 'Sanity check of the external toolchain failed: ' + msg
- if generate_events:
- try:
- bb.event.fire(bb.event.SanityCheckFailed(msg, None), d)
- except TypeError:
- bb.event.fire(bb.event.SanityCheckFailed(msg), d)
- else:
- bb.fatal(msg)
- def exttc_sanity_run(cmd, d, generate_events, cwd='/'):
- import subprocess
- try:
- return subprocess.check_output(cmd, stderr=subprocess.STDOUT, cwd=cwd)
- except FileNotFoundError:
- raise_exttc_sanity_error('\n Command: %s\n Exit Code: 127\n Output: no such file or directory' % cmd, d, generate_events)
- except subprocess.CalledProcessError as exc:
- if not isinstance(cmd, str):
- cmd = subprocess.list2cmdline(cmd)
- output = exc.output.decode()
- output_indented = ''.join(' ' + l for l in output.splitlines(keepends=True))
- raise_exttc_sanity_error('\n Command: %s\n Exit code: %s\n Output:\n%s' % (cmd, exc.returncode, output_indented), d, generate_events)
- python toolchain_sanity_eventhandler() {
- check_toolchain_sanity(d, e.generateevents)
- }
- toolchain_sanity_eventhandler[eventmask] = "bb.event.SanityCheck"
- addhandler toolchain_sanity_eventhandler
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