Inject the name of the Init function using a macro.

test/gtest-port_test.cc

@@ -382,15 +382,17 @@ TEST(GtestCheckDeathTest, LivesSilentlyOnSuccess) {
 // the platform. The test will produce compiler errors in case of failure.
 // For simplicity, we only cover the most important platforms here.
 TEST(RegexEngineSelectionTest, SelectsCorrectRegexEngine) {
-#if GTEST_HAS_POSIX_RE
+#if !GTEST_USES_PCRE
+# if GTEST_HAS_POSIX_RE
 
   EXPECT_TRUE(GTEST_USES_POSIX_RE);
 
-#else
+# else
 
   EXPECT_TRUE(GTEST_USES_SIMPLE_RE);
 
-#endif
+# endif
+#endif  // !GTEST_USES_PCRE
 }
 
 #if GTEST_USES_POSIX_RE