Add -fPIC in test/lit.cfg

Author: hlopko

test/lit.cfg

@@ -1107,12 +1107,14 @@ elif (run_os in ['linux-gnu', 'linux-gnueabihf', 'freebsd', 'openbsd', 'windows-
       config.target_shared_library_prefix = 'lib'
       config.target_shared_library_suffix = ".so"
       config.target_sdk_name = "freebsd"
+      config.target_cc_options = "-fPIC"
     elif run_os == 'openbsd':
       lit_config.note("Testing OpenBSD " + config.variant_triple)
       config.target_object_format = "elf"
       config.target_shared_library_prefix = 'lib'
       config.target_shared_library_suffix = ".so"
       config.target_sdk_name = "openbsd"
+      config.target_cc_options = "-fPIC"
     elif kIsAndroid:
       lit_config.note("Testing Android " + config.variant_triple)
       config.target_object_format = "elf"
@@ -1122,12 +1124,14 @@ elif (run_os in ['linux-gnu', 'linux-gnueabihf', 'freebsd', 'openbsd', 'windows-
       # Needed by several ParseableInterface/swift_build_sdk_interfaces tests on
       # Android
       config.environment['ANDROID_DATA'] = os.environ['ANDROID_DATA']
+      config.target_cc_options = "-fPIC"
     else:
       lit_config.note("Testing Linux " + config.variant_triple)
       config.target_object_format = "elf"
       config.target_shared_library_prefix = 'lib'
       config.target_shared_library_suffix = ".so"
       config.target_sdk_name = "linux"
+      config.target_cc_options = "-fPIC"
     config.target_runtime = "native"
     config.target_swift_autolink_extract = inferSwiftBinary("swift-autolink-extract")