Use Boost hash_fwd.hpp include instead of hash.hpp directly

Boost recommends this as the latter includes a whole bunch of other headers.
wesnoth · Jul 14, 2017 · c9f18c4 · c9f18c4
1 parent eb1e7d6
commit c9f18c4
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/src/image.cpp b/src/image.cpp
@@ -44,7 +44,7 @@
 #include "utils/functional.hpp"
 
 #include <boost/algorithm/string.hpp>
-#include <boost/functional/hash.hpp>
+#include <boost/functional/hash_fwd.hpp>
 
 #include <set>
 

diff --git a/src/map/location.cpp b/src/map/location.cpp
@@ -27,7 +27,7 @@
 #include "log.hpp"
 #include "utils/math.hpp"
 
-#include <boost/functional/hash.hpp>
+#include <boost/functional/hash_fwd.hpp>
 
 static lg::log_domain log_config("config");
 #define ERR_CF LOG_STREAM(err, log_config)

diff --git a/src/tstring.cpp b/src/tstring.cpp
@@ -25,7 +25,7 @@
 #include "tstring.hpp"
 #include "gettext.hpp"
 #include "log.hpp"
-#include <boost/functional/hash.hpp>
+#include <boost/functional/hash_fwd.hpp>
 
 #include <boost/multi_index_container.hpp>
 #include <boost/multi_index/hashed_index.hpp>