Merge pull request #16 from ocharles/master

Build with base-4.10

Author: tibbe

System/Metrics.hs

@@ -445,6 +445,7 @@ getGcStats = do
 
 -- | Empty GC statistics, as if the application hasn't started yet.
 emptyGCStats :: Stats.GCStats
+# if MIN_VERSION_base(4,10,0)
 emptyGCStats = Stats.GCStats
     { bytesAllocated         = 0
     , numGcs                 = 0
@@ -464,7 +465,30 @@ emptyGCStats = Stats.GCStats
     , wallSeconds            = 0
     , parTotBytesCopied      = 0
     , parMaxBytesCopied      = 0
+    , mblocksAllocated       = 0
     }
+# else
+emptyGCStats = Stats.GCStats
+    { bytesAllocated         = 0
+    , numGcs                 = 0
+    , maxBytesUsed           = 0
+    , numByteUsageSamples    = 0
+    , cumulativeBytesUsed    = 0
+    , bytesCopied            = 0
+    , currentBytesUsed       = 0
+    , currentBytesSlop       = 0
+    , maxBytesSlop           = 0
+    , peakMegabytesAllocated = 0
+    , mutatorCpuSeconds      = 0
+    , mutatorWallSeconds     = 0
+    , gcCpuSeconds           = 0
+    , gcWallSeconds          = 0
+    , cpuSeconds             = 0
+    , wallSeconds            = 0
+    , parTotBytesCopied      = 0
+    , parMaxBytesCopied      = 0
+    }
+# endif
 #else
 getGcStats = Stats.getGCStats
 #endif

ekg-core.cabal

@@ -31,7 +31,7 @@ library
 
   build-depends:
     ghc-prim < 0.6,
-    base >= 4.5 && < 4.10,
+    base >= 4.5 && < 4.11,
     containers >= 0.5 && < 0.6,
     text < 1.3,
     unordered-containers < 0.3