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Attempt to unbreak filesystem tests on certain linux distros.

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On some platforms clock_gettime is in librt, which we don't
link by default when building the tests. However it is required
by the filesystem tests.

This patch introduces a workaround which links librt whenever
the filesystem tests are enabled. The workaround should later
be replaced with a patch that selectively links both libc++fs
and librt only when building filesystem specific tests. However,
the way the test configuration is set up right now, this is
non-trivial.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@340406 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2018-08-22 13:29:52 +00:00
parent 4c90425692
commit 1e22fa5b1b
1 changed files with 6 additions and 1 deletions
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7
utils/libcxx/test/target_info.py
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@ -222,12 +222,17 @@ class LinuxLocalTI(DefaultTargetInfo):
self.full_config.config.available_features)
llvm_unwinder = self.full_config.get_lit_bool('llvm_unwinder', False)
shared_libcxx = self.full_config.get_lit_bool('enable_shared', True)
# FIXME: Remove the need to link -lrt in all the tests, and instead
# limit it only to the filesystem tests. This ensures we don't cause an
# implicit dependency on librt except when filesystem is needed.
enable_fs = self.full_config.get_lit_bool('enable_filesystem',
default=False)
flags += ['-lm']
if not llvm_unwinder:
flags += ['-lgcc_s', '-lgcc']
if enable_threads:
flags += ['-lpthread']
if not shared_libcxx:
if not shared_libcxx or enable_fs:
flags += ['-lrt']
flags += ['-lc']
if llvm_unwinder: