Merge pull request swiftlang#32284 from 3405691582/Test_OpenBSD_TestLibraries

[test] Set LD_LIBRARY_PATH if testing on OpenBSD.

Author: compnerd

test/lit.cfg

@@ -171,6 +171,12 @@ lit_config.note('Using cmake: ' + config.cmake)
 config.llvm_src_root = getattr(config, 'llvm_src_root', None)
 config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
 
+if platform.system() == 'OpenBSD':
+    llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
+    if not llvm_libs_dir:
+        lit_config.fatal('No LLVM libs dir set.')
+    config.environment['LD_LIBRARY_PATH'] = llvm_libs_dir
+
 def append_to_env_path(directory):
     config.environment['PATH'] = \
         os.path.pathsep.join((directory, config.environment['PATH']))