Index: utils/unittest/googletest/include/gtest/internal/gtest-port.h
===================================================================
--- utils/unittest/googletest/include/gtest/internal/gtest-port.h
+++ utils/unittest/googletest/include/gtest/internal/gtest-port.h
@@ -88,6 +88,7 @@
 //   GTEST_OS_CYGWIN   - Cygwin
 //   GTEST_OS_HAIKU    - Haiku
 //   GTEST_OS_HPUX     - HP-UX
+//   GTEST_OS_FREEBSD  - FreeBSD
 //   GTEST_OS_LINUX    - Linux
 //     GTEST_OS_LINUX_ANDROID - Google Android
 //   GTEST_OS_MAC      - Mac OS X
@@ -228,6 +229,8 @@
 # endif  // _WIN32_WCE
 #elif defined __APPLE__
 # define GTEST_OS_MAC 1
+#elif defined __FreeBSD__
+# define GTEST_OS_FREEBSD 1
 #elif defined __linux__
 # define GTEST_OS_LINUX 1
 # if defined(ANDROID) || defined(__ANDROID__)
@@ -421,7 +424,7 @@
 //
 // To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0
 // to your compiler flags.
-# define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX)
+# define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX || GTEST_OS_FREEBSD)
 #endif  // GTEST_HAS_PTHREAD
 
 #if GTEST_HAS_PTHREAD
@@ -545,7 +548,7 @@
 // pops up a dialog window that cannot be suppressed programmatically.
 #if (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \
      (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \
-     GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX)
+     GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || GTEST_OS_FREEBSD)
 # define GTEST_HAS_DEATH_TEST 1
 # include <vector>  // NOLINT
 #endif