Add travis config

Adding travis config to trigger CI build. Adjust cmake script accordingly.

Signed-off-by: Yi Wu yiwu@pingcap.com

.travis.yml

+language: cpp
+
+os:
+  - linux
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-8
+      - libgflags-dev
+
+matrix:
+  include:
+    - compiler: clang
+    - compiler: clang
+      env: SANITIZER="-DWITH_ASAN=ON"
+    - compiler: clang
+      env: SANITIZER="-DWITH_TSAN=ON"
+    - compiler: clang
+      env: SANITIZER="-DWITH_UBSAN=ON"
+    - env: COMPILER=gcc8
+
+install:
+  - git clone --depth=1 --branch=tikv-3.0 https://github.com/pingcap/rocksdb.git 
+  - if [ "${COMPILER}" == gcc8 ]; then
+      CC=gcc-8 && CXX=g++-8;
+    fi
+
+script:
+  - ${CXX} --version
+  - cmake . -DROCKSDB_DIR=./rocksdb -DTRAVIS=ON ${SANITIZER} && make -j4 && ctest -R titan

CMakeLists.txt

@@ -41,6 +41,7 @@ add_library(titan STATIC ${SOURCES})
 
 option(WITH_TITAN_TESTS "Build with tests." ON)
 option(WITH_TITAN_TOOLS "Build with tools." ON)
+option(TRAVIS "Building in Travis." OFF)
 
 if (CMAKE_BUILD_TYPE STREQUAL "Release")
   set(WITH_TITAN_TESTS OFF)
@@ -49,12 +50,13 @@ endif()
 
 if (WITH_TITAN_TESTS OR WITH_TITAN_TOOLS)
   add_subdirectory(${ROCKSDB_DIR} rocksdb EXCLUDE_FROM_ALL)
+  # -latomic is needed when building titandb_stress using clang.
+  link_libraries(atomic)
 endif()
 
 if (WITH_TITAN_TESTS)
   include(CTest)
-  find_package(Threads REQUIRED)
-  find_package(GTest REQUIRED)
+  include_directories(SYSTEM ${ROCKSDB_DIR}/third-party/gtest-1.7.0/fused-src)
   set(TESTS
         blob_file_iterator_test
         blob_file_size_collector_test
@@ -69,27 +71,31 @@ if (WITH_TITAN_TESTS)
   set(TEST_LIBS
         titan
         rocksdb
-        testharness
         testutillib
-        Threads::Threads
-        GTest::GTest)
+        gtest)
         
   foreach(test ${TESTS})
-      add_executable(titan_${test} src/${test}.cc)
-      target_include_directories(titan_${test} PRIVATE ${GTEST_INCLUDE_DIRS})
+    add_executable(titan_${test} src/${test}.cc $<TARGET_OBJECTS:testharness>)
       target_link_libraries(titan_${test} ${TEST_LIBS})
       add_test(titan_${test} titan_${test})
   endforeach(test ${TESTS})  
 endif()
 
 if (WITH_TITAN_TOOLS)
-  find_package(gflags REQUIRED)
-  add_definitions(-DGFLAGS)
-
   set(TOOLS_LIBS
         titan
         rocksdb)
 
+  if (NOT TRAVIS)
+    find_package(gflags REQUIRED)
+  else()
+    # Hack: On Travis (with Ubuntu xenial or before), libgflags-dev package doesn't come with
+    # gflags-config.cmake, so find_package will fail. Hard-code gflag path for now.
+    set(gflags_INCLUDE_DIR "/usr/include/gflags")
+    list(APPEND TOOLS_LIBS "/usr/lib/x86_64-linux-gnu/libgflags.a")
+  endif()
+  add_definitions(-DGFLAGS)
+
   add_executable(titandb_stress tools/titandb_stress.cc)
   target_include_directories(titandb_stress PRIVATE ${gflags_INCLUDE_DIR})
   target_link_libraries(titandb_stress ${TOOLS_LIBS})

cmake/rocksdb_flags.cmake

 # Generate compile and link flags
 # Extracted from rocksdb/CMakeLists.txt
 
+
+option(WITH_JEMALLOC "build with JeMalloc" OFF)
+if (WITH_JEMALLOC)
+  add_definitions(-DROCKSDB_JEMALLOC -DJEMALLOC_NO_DEMANGLE)
+endif()
+
+option(WITH_SNAPPY "build with SNAPPY" OFF)
+if (WITH_SNAPPY)
+  add_definitions(-DSNAPPY)
+endif()
+
+option(WITH_LZ4 "build with lz4" OFF)
+if (WITH_LZ4)
+  add_definitions(-DLZ4)
+endif()
+
+option(WITH_ZLIB "build with zlib" OFF)
+if (WITH_ZLIB)
+  add_definitions(-DZLIB)
+endif()
+
+option(WITH_ZSTD "build with zstd" OFF)
+if (WITH_ZSTD)
+  add_definitions(-DZSTD)
+endif()
+
 if(MSVC)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zi /nologo /EHsc /GS /Gd /GR /GF /fp:precise /Zc:wchar_t /Zc:forScope /errorReport:queue")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /FC /d2Zi+ /W4 /wd4127 /wd4800 /wd4996 /wd4351 /wd4100 /wd4204 /wd4324")