# Prints which 3rd party libraries are desired for the given configuration.

from components import requiredLibrariesFor

from configurations import getConfiguration

from libraries import allDependencies, librariesByName

from packages import iterDownloadablePackages

def main(platform, linkMode):

	configuration = getConfiguration(linkMode)

	components = configuration.iterDesiredComponents()

	# Compute the set of all directly and indirectly required libraries,

	# then filter out system libraries.

	thirdPartyLibs = set(

		makeName

		for makeName in allDependencies(requiredLibrariesFor(components))

		if not librariesByName[makeName].isSystemLibrary(platform)

		)

	print(' '.join(sorted(thirdPartyLibs)))

if __name__ == '__main__':

	import sys

	if len(sys.argv) == 3:

		try:

			main(*sys.argv[1 : ])

		except ValueError as ex:

			print(ex, file=sys.stderr)

			sys.exit(2)

	else:

		print(

			'Usage: python3 3rdparty_libraries.py TARGET_OS LINK_MODE',

			file=sys.stderr

			)

		sys.exit(2)