From c9cd274b2b745f3b3456352d5c5cf006e18f976d Mon Sep 17 00:00:00 2001
From: shiz01 <shiz01@tutanota.com>
Date: Sun, 22 May 2022 11:12:15 +0700
Subject: [PATCH] Fix build for Gentoo

---
 src/osd_rmw.cpp | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/osd_rmw.cpp b/src/osd_rmw.cpp
index 3f8c77fcb..390e6c132 100644
--- a/src/osd_rmw.cpp
+++ b/src/osd_rmw.cpp
@@ -4,8 +4,26 @@
 #include <stdexcept>
 #include <string.h>
 #include <assert.h>
-#include <jerasure/reed_sol.h>
-#include <jerasure.h>
+extern "C" {
+#if defined __has_include
+
+#  if __has_include (<jerasure.h>)
+#    include <jerasure.h>
+#  endif
+
+// In Gentoo hasn't jerasure directory with header files.
+#  if __has_include (<reed_sol.h>)
+#    include <reed_sol.h>
+#  elif __has_include (<jerasure/reed_sol.h>)
+#    include <jerasure/reed_sol.h>
+#  endif
+
+#else
+// default path to headers in Debian
+#  include <jerasure/reed_sol.h>
+#  include <jerasure.h>
+#endif
+}
 #include <map>
 #include "allocator.h"
 #include "xor.h"