From ddb842f583e560bbde497bc96cfebe25f9089e11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <jerome.duval@gmail.com>
Date: Thu, 21 Oct 2021 22:01:48 +0200
Subject: [PATCH] Initial support for Haiku (#1045)

This provides the baseline needed to build Abseil on Haiku systems.
---
 absl/base/config.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/absl/base/config.h b/absl/base/config.h
index 0562cddb..d3cad682 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -413,7 +413,8 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \
     defined(_AIX) || defined(__ros__) || defined(__native_client__) ||    \
     defined(__asmjs__) || defined(__wasm__) || defined(__Fuchsia__) ||    \
-    defined(__sun) || defined(__ASYLO__) || defined(__myriad2__)
+    defined(__sun) || defined(__ASYLO__) || defined(__myriad2__) ||       \
+    defined(__HAIKU__)
 #define ABSL_HAVE_MMAP 1
 #endif