223 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			223 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #
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| # common-dependencies.py
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| # Convenience script to check dependencies and add libs and sources for Marlin Enabled Features
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| #
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| import subprocess
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| import os
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| import re
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| try:
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|     import configparser
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| except ImportError:
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|     import ConfigParser as configparser
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| from platformio.managers.package import PackageManager
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| 
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| Import("env")
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| 
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| FEATURE_DEPENDENCIES = {}
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| 
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| def load_config():
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| 	config = configparser.ConfigParser()
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| 	config.read("platformio.ini")
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| 	items = config.items('features')
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| 	for key in items:
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| 		ukey = key[0].upper()
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| 		if not ukey in FEATURE_DEPENDENCIES:
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| 			FEATURE_DEPENDENCIES[ukey] = {
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| 				'lib_deps': []
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| 			}
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| 		deps = re.sub(',\\s*', '\n', key[1]).strip().split('\n')
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| 		for dep in deps:
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| 			parts = dep.split('=')
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| 			name = parts.pop(0)
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| 			rest = '='.join(parts)
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| 			if name in ['extra_scripts', 'src_filter', 'lib_ignore']:
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| 				FEATURE_DEPENDENCIES[ukey][name] = rest
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| 			else:
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| 				FEATURE_DEPENDENCIES[ukey]['lib_deps'] += [dep]
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| 
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| def get_all_known_libs():
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| 	known_libs = []
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| 	for feature in FEATURE_DEPENDENCIES:
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| 		if not 'lib_deps' in FEATURE_DEPENDENCIES[feature]:
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| 			continue
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| 		for dep in FEATURE_DEPENDENCIES[feature]['lib_deps']:
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| 			name, _, _ = PackageManager.parse_pkg_uri(dep)
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| 			known_libs.append(name)
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| 	return known_libs
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| 
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| def get_all_env_libs():
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| 	env_libs = []
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| 	lib_deps = env.GetProjectOption('lib_deps')
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| 	for dep in lib_deps:
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| 		name, _, _ = PackageManager.parse_pkg_uri(dep)
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| 		env_libs.append(name)
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| 	return env_libs
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| 
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| def set_env_field(field, value):
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| 	proj = env.GetProjectConfig()
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| 	proj.set("env:" + env['PIOENV'], field, value)
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| 
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| # All unused libs should be ignored so that if a library
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| # exists in .pio/lib_deps it will not break compilation.
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| def force_ignore_unused_libs():
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| 	env_libs = get_all_env_libs()
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| 	known_libs = get_all_known_libs()
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| 	diff = (list(set(known_libs) - set(env_libs)))
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| 	lib_ignore = env.GetProjectOption('lib_ignore') + diff
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| 	print("Ignoring libs:", lib_ignore)
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| 	set_env_field('lib_ignore', lib_ignore)
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| 
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| def install_features_dependencies():
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| 	load_config()
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| 	for feature in FEATURE_DEPENDENCIES:
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| 		if not env.MarlinFeatureIsEnabled(feature):
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| 			continue
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| 
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| 		if 'lib_deps' in FEATURE_DEPENDENCIES[feature]:
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| 			print("Adding lib_deps for %s... " % feature)
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| 
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| 			# deps to add
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| 			deps_to_add = {}
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| 			for dep in FEATURE_DEPENDENCIES[feature]['lib_deps']:
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| 				name, _, _ = PackageManager.parse_pkg_uri(dep)
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| 				deps_to_add[name] = dep
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| 
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| 			# Does the env already have the dependency?
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| 			deps = env.GetProjectOption('lib_deps')
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| 			for dep in deps:
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| 				name, _, _ = PackageManager.parse_pkg_uri(dep)
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| 				if name in deps_to_add:
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| 					del deps_to_add[name]
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| 
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| 			# Are there any libraries that should be ignored?
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| 			lib_ignore = env.GetProjectOption('lib_ignore')
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| 			for dep in deps:
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| 				name, _, _ = PackageManager.parse_pkg_uri(dep)
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| 				if name in deps_to_add:
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| 					del deps_to_add[name]
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| 
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| 			# Is there anything left?
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| 			if len(deps_to_add) > 0:
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| 				# Only add the missing dependencies
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| 				set_env_field('lib_deps', deps + list(deps_to_add.values()))
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| 
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| 		if 'extra_scripts' in FEATURE_DEPENDENCIES[feature]:
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| 			print("Executing extra_scripts for %s... " % feature)
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| 			env.SConscript(FEATURE_DEPENDENCIES[feature]['extra_scripts'], exports="env")
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| 
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| 		if 'src_filter' in FEATURE_DEPENDENCIES[feature]:
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| 			print("Adding src_filter for %s... " % feature)
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| 			src_filter = ' '.join(env.GetProjectOption('src_filter'))
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| 			# first we need to remove the references to the same folder
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| 			my_srcs = re.findall( r'[+-](<.*?>)', FEATURE_DEPENDENCIES[feature]['src_filter'])
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| 			cur_srcs = re.findall( r'[+-](<.*?>)', src_filter)
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| 			for d in my_srcs:
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| 				if d in cur_srcs:
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| 					src_filter = re.sub(r'[+-]' + d, '', src_filter)
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| 
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| 			src_filter = FEATURE_DEPENDENCIES[feature]['src_filter'] + ' ' + src_filter
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| 			set_env_field('src_filter', [src_filter])
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| 			env.Replace(SRC_FILTER=src_filter)
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| 
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| 		if 'lib_ignore' in FEATURE_DEPENDENCIES[feature]:
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| 			print("Ignoring libs for %s... " % feature)
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| 			lib_ignore = env.GetProjectOption('lib_ignore') + [FEATURE_DEPENDENCIES[feature]['lib_ignore']]
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| 			set_env_field('lib_ignore', lib_ignore)
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| 
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| #
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| # Find a compiler, considering the OS
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| #
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| ENV_BUILD_PATH = os.path.join(env.Dictionary('PROJECT_BUILD_DIR'), env['PIOENV'])
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| GCC_PATH_CACHE = os.path.join(ENV_BUILD_PATH, ".gcc_path")
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| def search_compiler():
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| 	if os.path.exists(GCC_PATH_CACHE):
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| 		print('Getting g++ path from cache')
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| 		with open(GCC_PATH_CACHE, 'r') as f:
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| 			return f.read()
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| 
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| 	# PlatformIO inserts the toolchain bin folder on the front of the $PATH
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| 	# Find the current platform compiler by searching the $PATH
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| 	if env['PLATFORM'] == 'win32':
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| 		path_separator = ';'
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| 		path_regex = r'platformio\\packages.*\\bin'
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| 		gcc = "g++.exe"
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| 	else:
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| 		path_separator = ':'
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| 		path_regex = r'platformio/packages.*/bin'
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| 		gcc = "g++"
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| 
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| 	# Search for the compiler
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| 	for path in env['ENV']['PATH'].split(path_separator):
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| 		if not re.search(path_regex, path):
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| 			continue
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| 		for file in os.listdir(path):
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| 			if not file.endswith(gcc):
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| 				continue
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| 
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| 			# Cache the g++ path to no search always
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| 			if os.path.exists(ENV_BUILD_PATH):
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| 				print('Caching g++ for current env')
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| 				with open(GCC_PATH_CACHE, 'w+') as f:
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| 					f.write(file)
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| 
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| 			return file
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| 
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| 	file = env.get('CXX')
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| 	print("Couldn't find a compiler! Fallback to", file)
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| 	return file
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| 
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| #
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| # Use the compiler to get a list of all enabled features
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| #
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| def load_marlin_features():
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| 	if "MARLIN_FEATURES" in env:
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| 		return
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| 
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| 	# Process defines
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| 	#print(env.Dump())
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| 	build_flags = env.get('BUILD_FLAGS')
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| 	build_flags = env.ParseFlagsExtended(build_flags)
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| 
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| 	cxx = search_compiler()
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| 	cmd = [cxx]
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| 
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| 	# Build flags from board.json
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| 	#if 'BOARD' in env:
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| 	#	cmd += [env.BoardConfig().get("build.extra_flags")]
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| 	for s in build_flags['CPPDEFINES']:
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| 		if isinstance(s, tuple):
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| 			cmd += ['-D' + s[0] + '=' + str(s[1])]
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| 		else:
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| 			cmd += ['-D' + s]
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| 
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| 	cmd += ['-w -dM -E -x c++ buildroot/share/PlatformIO/scripts/common-dependencies.h']
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| 	cmd = ' '.join(cmd)
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| 	print(cmd)
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| 	define_list = subprocess.check_output(cmd, shell=True).splitlines()
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| 	marlin_features = {}
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| 	for define in define_list:
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| 		feature = define[8:].strip().decode().split(' ')
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| 		feature, definition = feature[0], ' '.join(feature[1:])
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| 		marlin_features[feature] = definition
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| 	env["MARLIN_FEATURES"] = marlin_features
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| 
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| #
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| # Return True if a matching feature is enabled
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| #
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| def MarlinFeatureIsEnabled(env, feature):
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| 	load_marlin_features()
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| 	r = re.compile(feature)
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| 	matches = list(filter(r.match, env["MARLIN_FEATURES"]))
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| 	return len(matches) > 0
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| 
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| #
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| # Add a method for other PIO scripts to query enabled features
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| #
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| env.AddMethod(MarlinFeatureIsEnabled)
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| 
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| #
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| # Add dependencies for enabled Marlin features
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| #
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| install_features_dependencies()
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| force_ignore_unused_libs()
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