[libcxx] Improve error message when an invalid directory is provided as use_system_cxx_lib

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@347435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Louis Dionne
2018-11-21 23:00:45 +00:00
parent d898f74a78
commit ab883e8c3b

View File

@@ -307,7 +307,7 @@ class Configuration(object):
elif self.use_system_cxx_lib == 'false': elif self.use_system_cxx_lib == 'false':
self.use_system_cxx_lib = False self.use_system_cxx_lib = False
elif self.use_system_cxx_lib: elif self.use_system_cxx_lib:
assert os.path.isdir(self.use_system_cxx_lib) assert os.path.isdir(self.use_system_cxx_lib), "the specified use_system_cxx_lib parameter (%s) is not a valid directory" % self.use_system_cxx_lib
self.lit_config.note( self.lit_config.note(
"inferred use_system_cxx_lib as: %r" % self.use_system_cxx_lib) "inferred use_system_cxx_lib as: %r" % self.use_system_cxx_lib)