From fe95bc332d92c6e3f5c2e07fd681bd3549b77374 Mon Sep 17 00:00:00 2001
From: kosak <kosak@google.com>
Date: Fri, 17 Jul 2015 23:08:48 +0000
Subject: Determine the existence of hash_map/hash_set in gtest-port.h.

---
 include/gtest/internal/gtest-port.h |  9 +++++++++
 src/gtest-port.cc                   |  1 -
 test/gtest-printers_test.cc         | 10 +++++-----
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/include/gtest/internal/gtest-port.h b/include/gtest/internal/gtest-port.h
index 4e7e855..864a90c 100644
--- a/include/gtest/internal/gtest-port.h
+++ b/include/gtest/internal/gtest-port.h
@@ -606,6 +606,15 @@ struct _RTL_CRITICAL_SECTION;
 # include <time.h>  // NOLINT
 #endif
 
+// Determines if hash_map/hash_set are available.
+// Only used for testing against those containers.
+#if !defined(GTEST_HAS_HASH_MAP_)
+# if _MSC_VER
+#  define GTEST_HAS_HASH_MAP_ 1  // Indicates that hash_map is available.
+#  define GTEST_HAS_HASH_SET_ 1  // Indicates that hash_set is available.
+# endif  // _MSC_VER
+#endif  // !defined(GTEST_HAS_HASH_MAP_)
+
 // Determines whether Google Test can use tr1/tuple.  You can define
 // this macro to 0 to prevent Google Test from using tuple (any
 // feature depending on tuple with be disabled in this mode).
diff --git a/src/gtest-port.cc b/src/gtest-port.cc
index 19fa028..cd3ac9a 100644
--- a/src/gtest-port.cc
+++ b/src/gtest-port.cc
@@ -887,7 +887,6 @@ GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(
     return file_name + ":" + StreamableToString(line);
 }
 
-
 GTestLog::GTestLog(GTestLogSeverity severity, const char* file, int line)
     : severity_(severity) {
   const char* const marker =
diff --git a/test/gtest-printers_test.cc b/test/gtest-printers_test.cc
index a6636c5..3e97cc2 100644
--- a/test/gtest-printers_test.cc
+++ b/test/gtest-printers_test.cc
@@ -50,13 +50,13 @@
 
 #include "gtest/gtest.h"
 
-// hash_map and hash_set are available under Visual C++.
-#if _MSC_VER
-# define GTEST_HAS_HASH_MAP_ 1  // Indicates that hash_map is available.
+// hash_map and hash_set are available under Visual C++, or on Linux.
+#if GTEST_HAS_HASH_MAP_
 # include <hash_map>            // NOLINT
-# define GTEST_HAS_HASH_SET_ 1  // Indicates that hash_set is available.
+#endif  // GTEST_HAS_HASH_MAP_
+#if GTEST_HAS_HASH_SET_
 # include <hash_set>            // NOLINT
-#endif  // GTEST_OS_WINDOWS
+#endif  // GTEST_HAS_HASH_SET_
 
 #if GTEST_HAS_STD_FORWARD_LIST_
 # include <forward_list> // NOLINT
-- 
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