cmake: Adding CMake build system to project

CMake support added and automated generation of
util/build_version.cc with build_version.sh

Signed-off-by: Ali Maredia <amaredia@redhat.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644 (file)
index 0000000..6b3abdc
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,228 @@
+cmake_minimum_required(VERSION 2.8.11)
+
+project(rocksdb)
+
+if (NOT (CMAKE_MAJOR_VERSION LESS 3))
+  # Tweak policies (this one disables "missing" dependency warning)
+  cmake_policy(SET CMP0046 OLD)
+endif(NOT (CMAKE_MAJOR_VERSION LESS 3))
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O2 -fPIC -Wall -Werror -DOS_LINUX -DROCKSDB_PLATFORM_POSIX -fno-builtin-memcmp -DNDEBUG -DHAVE_JEMALLOC -Woverloaded-virtual")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O2 -fPIC -std=c++11 -Wall -Werror -DOS_LINUX -DROCKSDB_PLATFORM_POSIX -fno-builtin-memcmp -DNDEBUG -DHAVE_JEMALLOC -Woverloaded-virtual -DROCKSDB_ATOMIC_PRESENT -DROCKSDB_FALLOCATE_PRESENT")
+
+find_package(atomic_ops)
+if(ATOMIC_OPS_FOUND)
+  #message(STATUS "Lib Atomic Found")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DROCKSDB_ATOMIC_PRESENT")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DROCKSDB_ATOMIC_PRESENT")
+endif(ATOMIC_OPS_FOUND)
+
+include(CheckFunctionExists)
+CHECK_FUNCTION_EXISTS(fallocate WITH_FALLOCATE)
+if(WITH_FALLOCATE)
+  #message(STATUS "Fallocate Exists")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DROCKSDB_FALLOCATE_PRESENTN")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DROCKSDB_FALLOCATE_PRESENT")
+endif(WITH_FALLOCATE)
+
+add_custom_command(OUTPUT ${CMAKE_SOURCE_DIR}/util/build_version.cc
+  COMMAND 
+  chmod 775 ${CMAKE_SOURCE_DIR}/build_version.sh &&
+  ${CMAKE_SOURCE_DIR}/build_version.sh
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  COMMENT "build_version.cc updated")
+
+include_directories(${CMAKE_SOURCE_DIR})
+include_directories(${CMAKE_SOURCE_DIR}/include)
+include_directories(${CMAKE_SOURCE_DIR}/third-party/gtest-1.7.0/fused-src/)
+
+set(rocksdb_srcs
+  db/builder.cc 
+  db/c.cc 
+  db/column_family.cc 
+  db/compaction.cc 
+  db/compaction_job.cc 
+  db/compaction_picker.cc 
+  db/db_filesnapshot.cc 
+  db/dbformat.cc 
+  db/db_impl.cc 
+  db/db_impl_debug.cc 
+  db/db_impl_readonly.cc 
+  db/db_iter.cc 
+  db/event_logger_helpers.cc 
+  db/file_indexer.cc 
+  db/filename.cc 
+  db/flush_job.cc 
+  db/flush_scheduler.cc 
+  db/forward_iterator.cc 
+  db/internal_stats.cc 
+  db/log_reader.cc 
+  db/log_writer.cc 
+  db/managed_iterator.cc 
+  db/memtable_allocator.cc 
+  db/memtable.cc 
+  db/memtable_list.cc 
+  db/merge_helper.cc 
+  db/merge_operator.cc 
+  db/repair.cc 
+  db/slice.cc 
+  db/table_cache.cc 
+  db/table_properties_collector.cc 
+  db/transaction_log_impl.cc 
+  db/version_builder.cc 
+  db/version_edit.cc 
+  db/version_set.cc 
+  db/wal_manager.cc 
+  db/write_batch.cc 
+  db/write_batch_base.cc 
+  db/write_controller.cc 
+  db/write_thread.cc 
+  port/stack_trace.cc 
+  port/port_posix.cc 
+  table/adaptive_table_factory.cc 
+  table/block_based_filter_block.cc 
+  table/block_based_table_builder.cc 
+  table/block_based_table_factory.cc 
+  table/block_based_table_reader.cc 
+  table/block_builder.cc 
+  table/block.cc 
+  table/block_hash_index.cc 
+  table/block_prefix_index.cc 
+  table/bloom_block.cc 
+  table/cuckoo_table_builder.cc 
+  table/cuckoo_table_factory.cc 
+  table/cuckoo_table_reader.cc 
+  table/flush_block_policy.cc 
+  table/format.cc 
+  table/full_filter_block.cc 
+  table/get_context.cc 
+  table/iterator.cc 
+  table/merger.cc 
+  table/meta_blocks.cc 
+  table/plain_table_builder.cc 
+  table/plain_table_factory.cc 
+  table/plain_table_index.cc 
+  table/plain_table_key_coding.cc 
+  table/plain_table_reader.cc 
+  table/table_properties.cc 
+  table/two_level_iterator.cc 
+  util/arena.cc 
+  util/auto_roll_logger.cc 
+  util/bloom.cc 
+  util/build_version.cc 
+  util/cache.cc 
+  util/coding.cc 
+  util/comparator.cc 
+  util/crc32c.cc 
+  util/db_info_dumper.cc 
+  util/dynamic_bloom.cc 
+  util/env.cc 
+  util/env_hdfs.cc 
+  util/env_posix.cc 
+  util/file_util.cc 
+  util/filter_policy.cc 
+  util/hash.cc 
+  util/hash_cuckoo_rep.cc 
+  util/hash_linklist_rep.cc 
+  util/hash_skiplist_rep.cc 
+  util/histogram.cc 
+  util/instrumented_mutex.cc 
+  util/iostats_context.cc 
+  utilities/backupable/backupable_db.cc 
+  utilities/convenience/convenience.cc 
+  utilities/checkpoint/checkpoint.cc 
+  utilities/compacted_db/compacted_db_impl.cc 
+  utilities/document/document_db.cc 
+  utilities/document/json_document_builder.cc 
+  utilities/document/json_document.cc 
+  utilities/geodb/geodb_impl.cc 
+  utilities/leveldb_options/leveldb_options.cc 
+  utilities/merge_operators/put.cc 
+  utilities/merge_operators/string_append/stringappend2.cc 
+  utilities/merge_operators/string_append/stringappend.cc 
+  utilities/merge_operators/uint64add.cc 
+  utilities/redis/redis_lists.cc 
+  utilities/spatialdb/spatial_db.cc 
+  utilities/ttl/db_ttl_impl.cc 
+  utilities/write_batch_with_index/write_batch_with_index.cc 
+  util/event_logger.cc 
+  util/ldb_cmd.cc 
+  util/ldb_tool.cc 
+  util/log_buffer.cc 
+  util/logging.cc 
+  util/memenv.cc 
+  util/murmurhash.cc 
+  util/mutable_cf_options.cc 
+  util/options_builder.cc 
+  util/options.cc 
+  util/options_helper.cc 
+  util/perf_context.cc 
+  util/rate_limiter.cc 
+  util/skiplistrep.cc 
+  util/slice.cc 
+  util/sst_dump_tool.cc 
+  util/statistics.cc 
+  util/status.cc 
+  util/string_util.cc 
+  util/sync_point.cc 
+  util/thread_local.cc 
+  util/thread_status_impl.cc 
+  util/thread_status_updater.cc 
+  util/thread_status_updater_debug.cc 
+  util/thread_status_util.cc 
+  util/thread_status_util_debug.cc 
+  util/vectorrep.cc 
+  util/xfunc.cc 
+  util/xxhash.cc)
+
+add_library(rocksdb ${rocksdb_srcs})
+
+find_package(snappy)
+if(SNAPPY_FOUND)
+  #message(STATUS "Snappy Found")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSNAPPY")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DSNAPPY")
+  target_link_libraries(rocksdb snappy)
+endif(SNAPPY_FOUND)
+
+find_package(tcmalloc)
+if(Tcmalloc_FOUND)
+  #message(STATUS "Lib Snappy Found")
+  target_link_libraries(rocksdb tcmalloc)
+  find_package(rt)
+  if(RT_FOUND)
+    #message(STATUS "Lib RT Found")
+    target_link_libraries(rocksdb rt)
+  endif(RT_FOUND)
+endif(Tcmalloc_FOUND)
+
+include(FindZLIB)
+find_package(ZLIB)
+if(ZLIB_FOUND)
+  #message(STATUS "ZLib Found")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DZLIB")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DZLIB")
+  target_link_libraries(rocksdb z)
+endif(ZLIB_FOUND)
+
+include(FindBZip2)
+find_package(BZip2)
+if(BZIP2_FOUND)
+  #message(STATUS "BZip2 Found")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBZIP2")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBZIP2")
+  target_link_libraries(rocksdb bz2)
+endif(BZIP2_FOUND)
+
+find_package(gflags)
+if(GFLAGS_FOUND)
+  #message(STATUS "GFlags Found")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DGFLAGS")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DFLAGS")
+  target_link_libraries(rocksdb gflags)
+endif(GFLAGS_FOUND)
+
+target_link_libraries(rocksdb pthread)
+

diff --git a/build_version.sh b/build_version.sh
new file mode 100755 (executable)
index 0000000..c808cc2
--- /dev/null
+++ b/build_version.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Record the version of the source that we are compiling.
+# We keep a record of the git revision in this file.  It is then built
+# as a regular source file as part of the compilation process.
+# One can run "strings executable_filename | grep _build_" to find
+# the version of the source that we used to build the executable file.
+
+date=$(date +%F)
+git_sha=$(git describe HEAD 2>/dev/null)
+echo '#include "build_version.h"' > util/build_version.cc
+echo 'const char* rocksdb_build_git_sha = "rocksdb_build_git_sha:'$git_sha'";' >> util/build_version.cc
+echo 'const char* rocksdb_build_git_date = "rocksdb_build_git_date:'$date'";' >> util/build_version.cc
+echo "const char* rocksdb_build_compile_date = __DATE__;" >> util/build_version.cc