GTest: Fix some strict compiler warnings

Those changes are to be backported to the upstream actually, for until then
it should be good enough to have it locally.

2 files changed, 35 insertions, 11 deletions

diff --git a/extern/gtest/include/gtest/gtest.h b/extern/gtest/include/gtest/gtest.h
index 6fa0a3925e7..69a8e72da5f 100644
--- a/extern/gtest/include/gtest/gtest.h
+++ b/extern/gtest/include/gtest/gtest.h
@@ -1873,7 +1873,7 @@ class TestWithParam : public Test, public WithParamInterface<T> {
 
 // Define this macro to 1 to omit the definition of FAIL(), which is a
 // generic name and clashes with some other libraries.
-#if !GTEST_DONT_DEFINE_FAIL
+#if !defined(GTEST_DONT_DEFINE_FAIL) || !GTEST_DONT_DEFINE_FAIL
 # define FAIL() GTEST_FAIL()
 #endif
 
@@ -1882,7 +1882,7 @@ class TestWithParam : public Test, public WithParamInterface<T> {
 
 // Define this macro to 1 to omit the definition of SUCCEED(), which
 // is a generic name and clashes with some other libraries.
-#if !GTEST_DONT_DEFINE_SUCCEED
+#if !defined(GTEST_DONT_DEFINE_SUCCEED) || !GTEST_DONT_DEFINE_SUCCEED
 # define SUCCEED() GTEST_SUCCEED()
 #endif
 
@@ -2007,27 +2007,27 @@ class TestWithParam : public Test, public WithParamInterface<T> {
 // Define macro GTEST_DONT_DEFINE_ASSERT_XY to 1 to omit the definition of
 // ASSERT_XY(), which clashes with some users' own code.
 
-#if !GTEST_DONT_DEFINE_ASSERT_EQ
+#if !defined(GTEST_DONT_DEFINE_ASSERT_EQ) || !GTEST_DONT_DEFINE_ASSERT_EQ
 # define ASSERT_EQ(val1, val2) GTEST_ASSERT_EQ(val1, val2)
 #endif
 
-#if !GTEST_DONT_DEFINE_ASSERT_NE
+#if !defined(GTEST_DONT_DEFINE_ASSERT_NE) || !GTEST_DONT_DEFINE_ASSERT_NE
 # define ASSERT_NE(val1, val2) GTEST_ASSERT_NE(val1, val2)
 #endif
 
-#if !GTEST_DONT_DEFINE_ASSERT_LE
+#if !defined(GTEST_DONT_DEFINE_ASSERT_LE) || !GTEST_DONT_DEFINE_ASSERT_LE
 # define ASSERT_LE(val1, val2) GTEST_ASSERT_LE(val1, val2)
 #endif
 
-#if !GTEST_DONT_DEFINE_ASSERT_LT
+#if !defined(GTEST_DONT_DEFINE_ASSERT_LT) || !GTEST_DONT_DEFINE_ASSERT_LT
 # define ASSERT_LT(val1, val2) GTEST_ASSERT_LT(val1, val2)
 #endif
 
-#if !GTEST_DONT_DEFINE_ASSERT_GE
+#if !defined(GTEST_DONT_DEFINE_ASSERT_GE) || !GTEST_DONT_DEFINE_ASSERT_GE
 # define ASSERT_GE(val1, val2) GTEST_ASSERT_GE(val1, val2)
 #endif
 
-#if !GTEST_DONT_DEFINE_ASSERT_GT
+#if !defined(GTEST_DONT_DEFINE_ASSERT_GT) || !GTEST_DONT_DEFINE_ASSERT_GT
 # define ASSERT_GT(val1, val2) GTEST_ASSERT_GT(val1, val2)
 #endif
 
@@ -2238,7 +2238,7 @@ bool StaticAssertTypeEq() {
 
 // Define this macro to 1 to omit the definition of TEST(), which
 // is a generic name and clashes with some other libraries.
-#if !GTEST_DONT_DEFINE_TEST
+#if !defined(GTEST_DONT_DEFINE_TEST) || !GTEST_DONT_DEFINE_TEST
 # define TEST(test_case_name, test_name) GTEST_TEST(test_case_name, test_name)
 #endif
 
diff --git a/extern/gtest/include/gtest/internal/gtest-port.h b/extern/gtest/include/gtest/internal/gtest-port.h
index dc4fe0cb6b8..5ff2c29ad43 100644
--- a/extern/gtest/include/gtest/internal/gtest-port.h
+++ b/extern/gtest/include/gtest/internal/gtest-port.h
@@ -274,7 +274,7 @@
 // -std={c,gnu}++{0x,11} is passed.  The C++11 standard specifies a
 // value for __cplusplus, and recent versions of clang, gcc, and
 // probably other compilers set that too in C++11 mode.
-# if __GXX_EXPERIMENTAL_CXX0X__ || __cplusplus >= 201103L
+# if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
 // Compiling in at least C++11 mode.
 #  define GTEST_LANG_CXX11 1
 # else
@@ -282,6 +282,28 @@
 # endif
 #endif
 
+#ifndef GTEST_OS_WINDOWS
+#  define GTEST_OS_WINDOWS 0
+#endif
+#ifndef GTEST_OS_WINDOWS_MOBILE
+#  define GTEST_OS_WINDOWS_MOBILE 0
+#endif
+#ifndef GTEST_OS_LINUX_ANDROID
+#  define GTEST_OS_LINUX_ANDROID 0
+#endif
+#ifndef GTEST_OS_QNX
+#  define GTEST_OS_QNX 0
+#endif
+#ifndef GTEST_OS_SYMBIAN
+#  define GTEST_OS_SYMBIAN 0
+#endif
+#ifndef GTEST_OS_CYGWIN
+#  define GTEST_OS_CYGWIN 0
+#endif
+#ifndef GTEST_OS_SOLARIS
+#  define GTEST_OS_SOLARIS 0
+#endif
+
 // Brings in definitions for functions used in the testing::internal::posix
 // namespace (read, write, close, chdir, isatty, stat). We do not currently
 // use them on Windows Mobile.
@@ -527,6 +549,8 @@
 // can build with clang but need to use gcc4.2's libstdc++).
 # if GTEST_LANG_CXX11 && (!defined(__GLIBCXX__) || __GLIBCXX__ > 20110325)
 #  define GTEST_ENV_HAS_STD_TUPLE_ 1
+# else
+#  define GTEST_ENV_HAS_STD_TUPLE_ 0
 # endif
 
 # if GTEST_ENV_HAS_TR1_TUPLE_ || GTEST_ENV_HAS_STD_TUPLE_
@@ -1823,7 +1847,7 @@ inline void Abort() { abort(); }
 // MSVC-based platforms.  We map the GTEST_SNPRINTF_ macro to the appropriate
 // function in order to achieve that.  We use macro definition here because
 // snprintf is a variadic function.
-#if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
+#if defined(_MSC_VER) && _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
 // MSVC 2005 and above support variadic macros.
 # define GTEST_SNPRINTF_(buffer, size, format, ...) \
      _snprintf_s(buffer, size, size, format, __VA_ARGS__)