Index: lit/lit.cfg
===================================================================
--- lit/lit.cfg
+++ lit/lit.cfg
@@ -78,6 +78,10 @@
         config.cc += " -isysroot %s" % sdk_path
         config.cxx += " -isysroot %s" % sdk_path
 
+if platform.system() in ['OpenBSD']:
+    config.cc += " -pthread"
+    config.cxx += " -pthread"
+
 config.substitutions.append(('%cc', config.cc))
 config.substitutions.append(('%cxx', config.cxx))
 
Index: packages/Python/lldbsuite/test/lldbtest.py
===================================================================
--- packages/Python/lldbsuite/test/lldbtest.py
+++ packages/Python/lldbsuite/test/lldbtest.py
@@ -490,6 +490,8 @@
 def builder_module():
     if sys.platform.startswith("freebsd"):
         return __import__("builder_freebsd")
+    if sys.platform.startswith("openbsd"):
+        return __import__("builder_openbsd")
     if sys.platform.startswith("netbsd"):
         return __import__("builder_netbsd")
     if sys.platform.startswith("linux"):
@@ -1395,7 +1397,7 @@
 
     def getstdlibFlag(self):
         """ Returns the proper -stdlib flag, or empty if not required."""
-        if self.platformIsDarwin() or self.getPlatform() == "freebsd":
+        if self.platformIsDarwin() or self.getPlatform() == "freebsd" or self.getPlatform() == "openbsd":
             stdlibflag = "-stdlib=libc++"
         else:  # this includes NetBSD
             stdlibflag = ""
@@ -1424,7 +1426,7 @@
                  'FRAMEWORK_INCLUDES': "-F%s" % self.framework_dir,
                  'LD_EXTRAS': "%s -Wl,-rpath,%s" % (self.dsym, self.framework_dir),
                  }
-        elif sys.platform.rstrip('0123456789') in ('freebsd', 'linux', 'netbsd', 'darwin') or os.environ.get('LLDB_BUILD_TYPE') == 'Makefile':
+        elif sys.platform.rstrip('0123456789') in ('freebsd', 'linux', 'netbsd', 'openbsd', 'darwin') or os.environ.get('LLDB_BUILD_TYPE') == 'Makefile':
             d = {
                 'CXX_SOURCES': sources,
                 'EXE': exe_name,
@@ -1464,7 +1466,7 @@
                  'FRAMEWORK_INCLUDES': "-F%s" % self.framework_dir,
                  'LD_EXTRAS': "%s -Wl,-rpath,%s -dynamiclib" % (self.dsym, self.framework_dir),
                  }
-        elif sys.platform.rstrip('0123456789') in ('freebsd', 'linux', 'netbsd', 'darwin') or os.environ.get('LLDB_BUILD_TYPE') == 'Makefile':
+        elif sys.platform.rstrip('0123456789') in ('freebsd', 'linux', 'netbsd', 'openbsd', 'darwin') or os.environ.get('LLDB_BUILD_TYPE') == 'Makefile':
             d = {
                 'DYLIB_CXX_SOURCES': sources,
                 'DYLIB_NAME': lib_name,
@@ -1672,6 +1674,8 @@
                 cflags += "c++11"
         if self.platformIsDarwin() or self.getPlatform() == "freebsd":
             cflags += " -stdlib=libc++"
+        elif self.getPlatform() == "openbsd":
+            cflags += " -stdlib=libc++"
         elif self.getPlatform() == "netbsd":
             cflags += " -stdlib=libstdc++"
         elif "clang" in self.getCompiler():
@@ -1706,7 +1710,7 @@
             return lib_dir
 
     def getLibcPlusPlusLibs(self):
-        if self.getPlatform() in ('freebsd', 'linux', 'netbsd'):
+        if self.getPlatform() in ('freebsd', 'linux', 'netbsd', 'openbsd'):
             return ['libc++.so.1']
         else:
             return ['libc++.1.dylib', 'libc++abi.dylib']
Index: packages/Python/lldbsuite/test/plugins/builder_openbsd.py
===================================================================
--- /dev/null
+++ packages/Python/lldbsuite/test/plugins/builder_openbsd.py
@@ -0,0 +1,10 @@
+from builder_base import *
+
+
+def buildDsym(
+        sender=None,
+        architecture=None,
+        compiler=None,
+        dictionary=None,
+        testdir=None):
+    return False