From 3176ba68ccfb0b473fd0abd8734ffb834b248c8c Mon Sep 17 00:00:00 2001
From: Mathieu BAGUE <mathieu.bague@rte-france.com>
Date: Mon, 10 Jan 2022 16:19:11 +0100
Subject: [PATCH 1/2] Fix compilation under CentOS 7 and Clang

Signed-off-by: Mathieu BAGUE <mathieu.bague@rte-france.com>
---
 include/powsybl/iidm/BusCache.hpp    | 1 +
 include/powsybl/stdcxx/flattened.hpp | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/powsybl/iidm/BusCache.hpp b/include/powsybl/iidm/BusCache.hpp
index f68b2ba71..877f1e9bb 100644
--- a/include/powsybl/iidm/BusCache.hpp
+++ b/include/powsybl/iidm/BusCache.hpp
@@ -13,6 +13,7 @@
 #include <mutex>
 #include <string>
 
+#include <powsybl/iidm/Bus.hpp>
 #include <powsybl/stdcxx/optional.hpp>
 #include <powsybl/stdcxx/range.hpp>
 #include <powsybl/stdcxx/reference.hpp>
diff --git a/include/powsybl/stdcxx/flattened.hpp b/include/powsybl/stdcxx/flattened.hpp
index 58e1cc3f2..12d3b0477 100644
--- a/include/powsybl/stdcxx/flattened.hpp
+++ b/include/powsybl/stdcxx/flattened.hpp
@@ -103,7 +103,7 @@ class FlatteningIterator :
 
 struct FlattenForwarder {};
 
-const FlattenForwarder flattened;
+const FlattenForwarder flattened {};
 
 template <typename SinglePassRange>
 using FlattenRange = boost::iterator_range<FlatteningIterator<typename boost::range_iterator<SinglePassRange>::type>>;

From d1171619e93a62abc5fc1b11bacef134b1c78570 Mon Sep 17 00:00:00 2001
From: Mathieu BAGUE <mathieu.bague@rte-france.com>
Date: Mon, 10 Jan 2022 16:44:23 +0100
Subject: [PATCH 2/2] Fix compilation under CentOS 7 and Clang

Signed-off-by: Mathieu BAGUE <mathieu.bague@rte-france.com>
---
 include/powsybl/iidm/BusCache.hpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/powsybl/iidm/BusCache.hpp b/include/powsybl/iidm/BusCache.hpp
index 877f1e9bb..62ca0343c 100644
--- a/include/powsybl/iidm/BusCache.hpp
+++ b/include/powsybl/iidm/BusCache.hpp
@@ -22,8 +22,6 @@ namespace powsybl {
 
 namespace iidm {
 
-class Bus;
-
 class BusCache {
 public:
     using BusSupplier = std::function<stdcxx::const_range<Bus>()>;