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Don't set LD_PRELOAD to ''. It doesn't work on OpenBSD.

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Patch by Brad Smith.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225890 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-01-14 00:39:56 +00:00
parent c9109225e2
commit 7c845683ea
1 changed files with 5 additions and 1 deletions
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6
utils/lit/lit/TestingConfig.py
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@ -26,7 +26,11 @@ class TestingConfig:
'LD_PRELOAD', 'ASAN_OPTIONS', 'UBSAN_OPTIONS',
'LSAN_OPTIONS']
for var in pass_vars:
environment[var] = os.environ.get(var, '')
val = os.environ.get(var, '')
# Check for empty string as some variables such as LD_PRELOAD cannot be empty
# ('') for OS's such as OpenBSD.
if val:
environment[var] = val
if sys.platform == 'win32':
environment.update({