I’ve stumbled upon the following error during build when my build_flags
is multiline:
ValueError: No escaped character:
File "C:\.platformio\penv\lib\site-packages\platformio\builder\main.py", line 169:
env.SConscript("$BUILD_SCRIPT")
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Script\SConscript.py", line 598:
return _SConscript(self.fs, *files, **subst_kw)
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Script\SConscript.py", line 287:
exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
File "C:\.platformio\platforms\ststm32\builder\main.py", line 99:
target_elf = env.BuildProgram()
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Environment.py", line 219:
return self.method(*nargs, **kwargs)
File "C:\.platformio\penv\lib\site-packages\platformio\builder\tools\platformio.py", line 61:
env.ProcessProgramDeps()
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Environment.py", line 219:
return self.method(*nargs, **kwargs)
File "C:\.platformio\penv\lib\site-packages\platformio\builder\tools\platformio.py", line 124:
env.ProcessFlags(env.get("BUILD_FLAGS"))
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Environment.py", line 219:
return self.method(*nargs, **kwargs)
File "C:\.platformio\penv\lib\site-packages\platformio\builder\tools\platformio.py", line 222:
env.Append(**env.ParseFlagsExtended(flags))
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Environment.py", line 219:
return self.method(*nargs, **kwargs)
File "C:\.platformio\penv\lib\site-packages\platformio\builder\tools\platformio.py", line 185:
for key, value in env.ParseFlags(str(raw)).items():
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Environment.py", line 815:
do_parse(arg)
File "C:\.platformio\packages\tool-scons\scons-local-4.0.1\SCons\Environment.py", line 711:
params = shlex.split(arg)
File "C:\.platformio\python3\lib\shlex.py", line 310:
return list(lex)
File "C:\.platformio\python3\lib\shlex.py", line 299:
token = self.get_token()
File "C:\.platformio\python3\lib\shlex.py", line 109:
raw = self.read_token()
File "C:\.platformio\python3\lib\shlex.py", line 210:
raise ValueError("No escaped character")
However, when all build flags are on the same line, I get no such error. Is it a bug or by design?