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[tests] If no explicit target triple is given, try to infer it. 

llvm-svn: 174454
This commit is contained in:
Daniel Dunbar 2013-02-05 22:28:03 +00:00
parent a563f32c6a
commit b6354a0767
1 changed files with 7 additions and 2 deletions
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9
libcxx/test/lit.cfg
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@ -276,8 +276,13 @@ config.test_format = LibcxxTestFormat(
ld_flags = ['-nodefaultlibs'] + library_paths + ['-lc++'] + libraries,
exec_env = exec_env)
config.target_triple = lit.params.get(
'target_triple', 'unknown-unknown-unknown')
# Get or infer the target triple.
config.target_triple = lit.params.get('target_triple', None)
# If no target triple was given, try to infer it from the compiler under test.
if config.target_triple is None:
config.target_triple = lit.util.capture(
[cxx_under_test, '-dumpmachine']).strip()
lit.note("inferred target triple as: %r" % (config.target_triple,))
# Write an "available feature" that combines the triple when use_system_lib is
# enabled. This is so that we can easily write XFAIL markers for tests that are