From 3724b2ecb515c4440bb3a22ed39733ba2a1737d8 Mon Sep 17 00:00:00 2001
From: Jerome Duval <jerome.duval@gmail.com>
Date: Mon, 18 Oct 2021 14:37:02 +0200
Subject: Haiku: mmap and alarm supported


diff --git a/absl/base/config.h b/absl/base/config.h
index 9544996..a172b02 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -372,7 +372,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) ||   \
     defined(__ros__) || defined(__native_client__) || defined(__asmjs__) || \
     defined(__wasm__) || defined(__Fuchsia__) || defined(__sun) || \
-    defined(__ASYLO__) || defined(__myriad2__)
+    defined(__ASYLO__) || defined(__myriad2__) || defined(__HAIKU__)
 #define ABSL_HAVE_MMAP 1
 #endif
 
@@ -430,7 +430,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
 #elif defined(__GOOGLE_GRTE_VERSION__)
 // feature tests for Google's GRTE
 #define ABSL_HAVE_ALARM 1
-#elif defined(__GLIBC__)
+#elif defined(__GLIBC__) || defined(__HAIKU__)
 // feature test for glibc
 #define ABSL_HAVE_ALARM 1
 #elif defined(_MSC_VER)
-- 
2.30.2