configure.ac: enable C++14

1 files changed, 4 insertions, 15 deletions

diff --git a/src/Chrono.hxx b/src/Chrono.hxx
index 3bb1cc469..96e871d8b 100644
--- a/src/Chrono.hxx
+++ b/src/Chrono.hxx
@@ -20,19 +20,10 @@
 #ifndef MPD_CHRONO_HXX
 #define MPD_CHRONO_HXX
 
-#include "Compiler.h"
-
 #include <chrono>
 #include <utility>
 #include <cstdint>
 
-#if GCC_OLDER_THAN(4,7)
-/* std::chrono::duration operators are "constexpr" since gcc 4.7 */
-#define chrono_constexpr gcc_pure
-#else
-#define chrono_constexpr constexpr
-#endif
-
 /**
  * A time stamp within a song.  Granularity is 1 millisecond and the
  * maximum value is about 49 days.
@@ -108,11 +99,11 @@ public:
 		return count() > 0;
 	}
 
-	chrono_constexpr SongTime operator+(const SongTime &other) const {
+	constexpr SongTime operator+(const SongTime &other) const {
 		return SongTime(*(const Base *)this + (const Base &)other);
 	}
 
-	chrono_constexpr SongTime operator-(const SongTime &other) const {
+	constexpr SongTime operator-(const SongTime &other) const {
 		return SongTime(*(const Base *)this - (const Base &)other);
 	}
 };
@@ -212,15 +203,13 @@ public:
 		return count() < 0;
 	}
 
-	chrono_constexpr SignedSongTime operator+(const SignedSongTime &other) const {
+	constexpr SignedSongTime operator+(const SignedSongTime &other) const {
 		return SignedSongTime(*(const Base *)this + (const Base &)other);
 	}
 
-	chrono_constexpr SignedSongTime operator-(const SignedSongTime &other) const {
+	constexpr SignedSongTime operator-(const SignedSongTime &other) const {
 		return SignedSongTime(*(const Base *)this - (const Base &)other);
 	}
 };
 
-#undef chrono_constexpr
-
 #endif