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# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
from hashlib import md5
from os import makedirs
from os.path import isdir, isfile, join
from platformio import fs
from platformio.compat import WINDOWS, hashlib_encode_data
# Windows CLI has limit with command length to 8192
# Leave 2000 chars for flags and other options
MAX_LINE_LENGTH = 6000 if WINDOWS else 128072
def long_sources_hook(env, sources):
_sources = str(sources).replace("\\", "/")
if len(str(_sources)) < MAX_LINE_LENGTH:
return sources
# fix space in paths
data = []
for line in _sources.split(".o "):
line = line.strip()
if not line.endswith(".o"):
line += ".o"
data.append('"%s"' % line)
return '@"%s"' % _file_long_data(env, " ".join(data))
def long_incflags_hook(env, incflags):
_incflags = env.subst(incflags).replace("\\", "/")
if len(_incflags) < MAX_LINE_LENGTH:
return incflags
# fix space in paths
data = []
for line in _incflags.split(" -I"):
line = line.strip()
if not line.startswith("-I"):
line = "-I" + line
data.append('-I"%s"' % line[2:])
return '@"%s"' % _file_long_data(env, " ".join(data))
def _file_long_data(env, data):
build_dir = env.subst("$BUILD_DIR")
if not isdir(build_dir):
makedirs(build_dir)
tmp_file = join(
build_dir, "longcmd-%s" % md5(hashlib_encode_data(data)).hexdigest()
)
if isfile(tmp_file):
return tmp_file
fs.write_file_contents(tmp_file, data)
return tmp_file
def exists(_):
return True
def generate(env):
env.Replace(_long_sources_hook=long_sources_hook)
env.Replace(_long_incflags_hook=long_incflags_hook)
coms = {}
for key in ("ARCOM", "LINKCOM"):
coms[key] = env.get(key, "").replace(
"$SOURCES", "${_long_sources_hook(__env__, SOURCES)}"
)
for key in ("_CCCOMCOM", "ASPPCOM"):
coms[key] = env.get(key, "").replace(
"$_CPPINCFLAGS", "${_long_incflags_hook(__env__, _CPPINCFLAGS)}"
)
env.Replace(**coms)
return env