Merge pull request #1 from ethereum-mining/ci

Travis CI

.travis.yml

@@ -0,0 +1,20 @@
+language: cpp
+branches:
+    only:
+        - master
+matrix:
+    include:
+        - os: linux
+          dist: trusty
+          sudo: required
+        - os: osx
+          osx_image: xcode8.3
+cache:
+    ccache: true
+install:
+    - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo add-apt-repository -y ppa:ethereum/ethereum; sudo apt-get update; sudo apt-get install -y --no-install-recommends --allow-unauthenticated libjson-rpc-cpp-dev libjsoncpp-dev libboost-all-dev libcurl4-openssl-dev libmicrohttpd-dev mesa-common-dev ocl-icd-libopencl1 opencl-headers; fi
+    - if [ "$TRAVIS_OS_NAME" = "osx"   ]; then brew install libjson-rpc-cpp jsoncpp; fi
+script:
+    - cmake -DETHASHCUDA=Off -DETHSTRATUM=On -DETHASHCL=On -H. -Bbuild
+    - cmake --build build
+    - build/ethminer/ethminer --list-devices -G

libethcore/BlockInfo.h

@@ -188,8 +188,6 @@ template <class BlockInfoSub>
 class BlockHeaderPolished: public BlockInfoSub
 {
 public:
-	static const unsigned Fields = BlockInfoSub::BasicFields + BlockInfoSub::SealFields;
-
 	BlockHeaderPolished() {}
 	BlockHeaderPolished(BlockInfo const& _bi): BlockInfoSub(_bi) {}
 	explicit BlockHeaderPolished(bytes const& _data, Strictness _s = IgnoreSeal, h256 const& _h = h256(), BlockDataType _bdt = BlockData) { populate(&_data, _s, _h, _bdt); }

libethcore/EthashGPUMiner.cpp

@@ -183,7 +183,7 @@ void EthashGPUMiner::workLoop()
 		}
 
 		uint64_t upper64OfBoundary = (uint64_t)(u64)((u256)w.boundary >> 192);
-		uint64_t startN;
+		uint64_t startN = 0;
 		if (w.exSizeBits >= 0)
 			startN = w.startNonce | ((uint64_t)index() << (64 - 4 - w.exSizeBits)); // this can support up to 16 devices
 		m_miner->search(w.headerHash.data(), upper64OfBoundary, *m_hook, (w.exSizeBits >= 0), startN);