fix linux and macOS build

folly/concurrency/test/ConcurrentHashMapTest.cpp

@@ -17,7 +17,10 @@
 #include <folly/concurrency/ConcurrentHashMap.h>
 
 #include <atomic>
+#if __cplusplus > 201703L
+// std::latch becomes visible in C++20 mode
 #include <latch>
+#endif
 #include <limits>
 #include <memory>
 #include <thread>
@@ -1135,6 +1138,8 @@ TYPED_TEST_P(ConcurrentHashMapTest, ConcurrentInsertClear) {
 }
 
 TYPED_TEST_P(ConcurrentHashMapTest, StressTestReclamation) {
+  // std::latch becomes visible in C++20 mode
+#if __cplusplus > 201703L
   // Create a map where we keep reclaiming a lot of objects that are linked to
   // one node.
 
@@ -1178,6 +1183,7 @@ TYPED_TEST_P(ConcurrentHashMapTest, StressTestReclamation) {
   for (auto& t : threads) {
     join;
   }
+#endif
 }
 
 REGISTER_TYPED_TEST_SUITE_P(

folly/detail/FileUtilDetail.cpp

@@ -44,13 +44,13 @@ std::string getTemporaryFilePathStringWithoutTempDirectory(
 
 std::string getTemporaryFilePathStringWithTemporaryDirectory(
     const std::string& temporaryDirectory) {
-#if defined(__linux__) && !FOLLY_MOBILE
+#if !defined(_WIN32) && !FOLLY_MOBILE
   return (temporaryDirectory.back() == '/')
       ? (temporaryDirectory + std::string{"tempForAtomicWrite.XXXXXX"})
       : (temporaryDirectory + std::string{"/tempForAtomicWrite.XXXXXX"});
 #else
-  // The implementation currently, does not support any platform other than
-  // linux for temporary directory based atomic file writes.
+  // The implementation currently does not support win32 or mobile
+  // for temporary directory based atomic file writes.
   static_cast<void>(temporaryDirectory);
   assert(false);
 

folly/lang/test/ExceptionTest.cpp

@@ -68,7 +68,7 @@ template <typename Ex>
 static std::string message_for_terminate_with(std::string const& what) {
   auto const name = folly::pretty_name<Ex>();
   std::string const p0 = "terminate called after throwing an instance of";
-  std::string const p1 = "terminating with uncaught exception of type";
+  std::string const p1 = "terminating (due to|with) uncaught exception of type";
   // clang-format off
   return
       folly::kIsGlibcxx ? p0 + " '" + name + "'\\s+what\\(\\):\\s+" + what :

folly/logging/test/RateLimiterTest.cpp

@@ -120,7 +120,10 @@ TEST(RateLimiter, concurrentThreads) {
   EXPECT_EQ(maxEvents, count.load(std::memory_order_relaxed));
 }
 
+#if __cplusplus > 201703L
+// std::chrono::years becomes visible in C++20 mode
 TEST(RateLimiter, LargeInterval) {
   IntervalRateLimiter limiter{1, std::chrono::hours{8765}}; // Just under a year
   EXPECT_TRUE(limiter.check());
 }
+#endif

folly/stats/DigestBuilder.h

@@ -17,6 +17,7 @@
 #pragma once
 
 #include <memory>
+#include <vector>
 
 #include <folly/Memory.h>
 #include <folly/SpinLock.h>

folly/test/ConstexprMathTest.cpp

@@ -16,6 +16,7 @@
 
 #include <folly/ConstexprMath.h>
 
+#include <array>
 #include <cmath>
 #include <limits>
 #include <type_traits>