UPDATE: Fiexed in 0a8041414030f32e30226f5cebf2301247aba18e
Latest build e597e2697fb496ddd34b3c2df3753a5cb9c4295b (and few before it) can’t be compiled by clang,
In file included from src/iuse.cpp:11:
In file included from src/player.h:4:
src/character.h:85:21: error: 'get_hit_base' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual int get_hit_base() const;
^
src/creature.h:365:21: note: overridden virtual function is here
virtual int get_hit_base() const;
^
In file included from src/iuse.cpp:11:
In file included from src/player.h:4:
src/character.h:91:22: error: 'reset_bonuses' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset_bonuses();
^
src/creature.h:56:22: note: overridden virtual function is here
virtual void reset_bonuses();
^
In file included from src/iuse.cpp:11:
In file included from src/player.h:4:
src/character.h:93:22: error: 'reset_stats' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset_stats();
^
src/creature.h:58:22: note: overridden virtual function is here
virtual void reset_stats();
^
In file included from src/iuse.cpp:11:
In file included from src/player.h:4:
src/character.h:95:22: error: 'reset' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset();
^
src/creature.h:60:22: note: overridden virtual function is here
virtual void reset();
^
In file included from src/sounds.cpp:9:
In file included from src/monster.h:5:
In file included from src/player.h:4:
src/character.h:84:21: error: 'get_dodge_base' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual int get_dodge_base() const;
^
src/creature.h:364:21: note: overridden virtual function is here
virtual int get_dodge_base() const;
^
In file included from src/sounds.cpp:9:
In file included from src/monster.h:5:
In file included from src/player.h:4:
src/character.h:85:21: error: 'get_hit_base' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual int get_hit_base() const;
^
src/creature.h:365:21: note: overridden virtual function is here
virtual int get_hit_base() const;
^
In file included from src/sounds.cpp:9:
In file included from src/monster.h:5:
In file included from src/player.h:4:
src/character.h:91:22: error: 'reset_bonuses' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset_bonuses();
^
src/creature.h:56:22: note: overridden virtual function is here
virtual void reset_bonuses();
^
In file included from src/sounds.cpp:9:
In file included from src/monster.h:5:
In file included from src/player.h:4:
src/character.h:93:22: error: 'reset_stats' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset_stats();
^
src/creature.h:58:22: note: overridden virtual function is here
virtual void reset_stats();
^
In file included from src/sounds.cpp:9:
In file included from src/monster.h:5:
In file included from src/player.h:4:
src/character.h:95:22: error: 'reset' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset();
^
src/creature.h:60:22: note: overridden virtual function is here
virtual void reset();
^
In file included from src/map.cpp:18:
In file included from src/npc.h:4:
In file included from src/player.h:4:
src/character.h:84:21: error: 'get_dodge_base' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual int get_dodge_base() const;
^
src/creature.h:364:21: note: overridden virtual function is here
virtual int get_dodge_base() const;
^
In file included from src/map.cpp:18:
In file included from src/npc.h:4:
In file included from src/player.h:4:
src/character.h:85:21: error: 'get_hit_base' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual int get_hit_base() const;
^
src/creature.h:365:21: note: overridden virtual function is here
virtual int get_hit_base() const;
^
In file included from src/map.cpp:18:
In file included from src/npc.h:4:
In file included from src/player.h:4:
src/character.h:91:22: error: 'reset_bonuses' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset_bonuses();
^
src/creature.h:56:22: note: overridden virtual function is here
virtual void reset_bonuses();
^
In file included from src/map.cpp:18:
In file included from src/npc.h:4:
In file included from src/player.h:4:
src/character.h:93:22: error: 'reset_stats' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset_stats();
^
src/creature.h:58:22: note: overridden virtual function is here
virtual void reset_stats();
^
In file included from src/map.cpp:18:
In file included from src/npc.h:4:
In file included from src/player.h:4:
src/character.h:95:22: error: 'reset' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
virtual void reset();
^
src/creature.h:60:22: note: overridden virtual function is here
virtual void reset();
^
5 errors generated.
Makefile:477: recipe for target 'obj/tiles/sounds.o' failed
make: *** [obj/tiles/sounds.o] Error 1
make: *** Waiting for unfinished jobs....
5 errors generated.
Makefile:477: recipe for target 'obj/tiles/map.o' failed
make: *** [obj/tiles/map.o] Error 1
5 errors generated.
Makefile:477: recipe for target 'obj/tiles/iuse.o' failed
make: *** [obj/tiles/iuse.o] Error 1
I’m a python programmer, i don’t know C++ enough to repair codebase and put out a pull request. 
There are no problem with g++
UPDATE:
Below is patch that fixes this issue. You can compile now with clang.
[code]Index: src/character.h
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
— src/character.h (revision e597e2697fb496ddd34b3c2df3753a5cb9c4295b)
+++ src/character.h (revision )
@@ -81,18 +81,18 @@
virtual void mod_stat( const std::string &stat, int modifier ) override;
/** Combat getters */
-
virtual int get_dodge_base() const; -
virtual int get_hit_base() const;
-
virtual int get_dodge_base() const override; -
virtual int get_hit_base() const override; /** Handles health fluctuations over time */ virtual void update_health(int base_threshold = 0); /** Resets the value of all bonus fields to 0. */
-
virtual void reset_bonuses();
-
virtual void reset_bonuses() override; /** Resets stats, and applies effects in an idempotent manner */
-
virtual void reset_stats();
-
virtual void reset_stats() override; /** Handles stat and bonus reset. */
-
virtual void reset();
-
virtual void reset() override; /** Processes effects which may prevent the Character from moving (bear traps, crushed, etc.). * Returns false if movement is stopped. */
[/code]
I’ll try to make pull request, it’s was so much easier than i anticipated 