95 lines
2.7 KiB
Python
95 lines
2.7 KiB
Python
|
#
|
||
|
|
# preprocessor.py
|
||
|
|
#
|
||
|
|
import subprocess
|
||
|
|
|
||
|
|
nocache = 1
|
||
|
|
verbose = 0
|
||
|
|
|
||
|
|
def blab(str):
|
||
|
|
if verbose:
|
||
|
|
print(str)
|
||
|
|
|
||
|
|
################################################################################
|
||
|
|
#
|
||
|
|
# Invoke GCC to run the preprocessor and extract enabled features
|
||
|
|
#
|
||
|
|
preprocessor_cache = {}
|
||
|
|
def run_preprocessor(env, fn=None):
|
||
|
|
filename = fn or 'buildroot/share/PlatformIO/scripts/common-dependencies.h'
|
||
|
|
if filename in preprocessor_cache:
|
||
|
|
return preprocessor_cache[filename]
|
||
|
|
|
||
|
|
# Process defines
|
||
|
|
build_flags = env.get('BUILD_FLAGS')
|
||
|
|
build_flags = env.ParseFlagsExtended(build_flags)
|
||
|
|
|
||
|
|
cxx = search_compiler(env)
|
||
|
|
cmd = ['"' + cxx + '"']
|
||
|
|
|
||
|
|
# Build flags from board.json
|
||
|
|
#if 'BOARD' in env:
|
||
|
|
# cmd += [env.BoardConfig().get("build.extra_flags")]
|
||
|
|
for s in build_flags['CPPDEFINES']:
|
||
|
|
if isinstance(s, tuple):
|
||
|
|
cmd += ['-D' + s[0] + '=' + str(s[1])]
|
||
|
|
else:
|
||
|
|
cmd += ['-D' + s]
|
||
|
|
|
||
|
|
cmd += ['-D__MARLIN_DEPS__ -w -dM -E -x c++']
|
||
|
|
depcmd = cmd + [ filename ]
|
||
|
|
cmd = ' '.join(depcmd)
|
||
|
|
blab(cmd)
|
||
|
|
try:
|
||
|
|
define_list = subprocess.check_output(cmd, shell=True).splitlines()
|
||
|
|
except:
|
||
|
|
define_list = {}
|
||
|
|
preprocessor_cache[filename] = define_list
|
||
|
|
return define_list
|
||
|
|
|
||
|
|
|
||
|
|
################################################################################
|
||
|
|
#
|
||
|
|
# Find a compiler, considering the OS
|
||
|
|
#
|
||
|
|
def search_compiler(env):
|
||
|
|
|
||
|
|
from pathlib import Path, PurePath
|
||
|
|
|
||
|
|
ENV_BUILD_PATH = Path(env['PROJECT_BUILD_DIR'], env['PIOENV'])
|
||
|
|
GCC_PATH_CACHE = ENV_BUILD_PATH / ".gcc_path"
|
||
|
|
|
||
|
|
try:
|
||
|
|
gccpath = env.GetProjectOption('custom_gcc')
|
||
|
|
blab("Getting compiler from env")
|
||
|
|
return gccpath
|
||
|
|
except:
|
||
|
|
pass
|
||
|
|
|
||
|
|
# Warning: The cached .gcc_path will obscure a newly-installed toolkit
|
||
|
|
if not nocache and GCC_PATH_CACHE.exists():
|
||
|
|
blab("Getting g++ path from cache")
|
||
|
|
return GCC_PATH_CACHE.read_text()
|
||
|
|
|
||
|
|
# Use any item in $PATH corresponding to a platformio toolchain bin folder
|
||
|
|
path_separator = ':'
|
||
|
|
gcc_exe = '*g++'
|
||
|
|
if env['PLATFORM'] == 'win32':
|
||
|
|
path_separator = ';'
|
||
|
|
gcc_exe += ".exe"
|
||
|
|
|
||
|
|
# Search for the compiler in PATH
|
||
|
|
for ppath in map(Path, env['ENV']['PATH'].split(path_separator)):
|
||
|
|
if ppath.match(env['PROJECT_PACKAGES_DIR'] + "/**/bin"):
|
||
|
|
for gpath in ppath.glob(gcc_exe):
|
||
|
|
gccpath = str(gpath.resolve())
|
||
|
|
# Cache the g++ path to no search always
|
||
|
|
if not nocache and ENV_BUILD_PATH.exists():
|
||
|
|
blab("Caching g++ for current env")
|
||
|
|
GCC_PATH_CACHE.write_text(gccpath)
|
||
|
|
return gccpath
|
||
|
|
|
||
|
|
gccpath = env.get('CXX')
|
||
|
|
blab("Couldn't find a compiler! Fallback to %s" % gccpath)
|
||
|
|
return gccpath
|