# - Find LevelDB

#

# LevelDB_INCLUDES - List of LevelDB includes

# LevelDB_LIBRARIES - List of libraries when using LevelDB.

# LevelDB_FOUND - True if LevelDB found.

# Look for the header file.

find_path(LevelDB_INCLUDE NAMES leveldb/db.h

PATHS $ENV{LEVELDB_ROOT}/include /opt/local/include /usr/local/include /usr/include

DOC "Path in which the file leveldb/db.h is located." )

# Look for the library.

find_library(LevelDB_LIBRARY NAMES leveldb

PATHS /usr/lib $ENV{LEVELDB_ROOT}/lib

DOC "Path to leveldb library." )

include(FindPackageHandleStandardArgs)

find_package_handle_standard_args(LevelDB DEFAULT_MSG LevelDB_INCLUDE LevelDB_LIBRARY)

if(LEVELDB_FOUND)

message(STATUS "Found LevelDB (include: ${LevelDB_INCLUDE}, library: ${LevelDB_LIBRARY})")

set(LevelDB_INCLUDES ${LevelDB_INCLUDE})

set(LevelDB_LIBRARIES ${LevelDB_LIBRARY})

mark_as_advanced(LevelDB_INCLUDE LevelDB_LIBRARY)

if(EXISTS "${LevelDB_INCLUDE}/leveldb/db.h")

file(STRINGS "${LevelDB_INCLUDE}/leveldb/db.h" __version_lines

REGEX "static const int k[^V]+Version[ \t]+=[ \t]+[0-9]+;")

foreach(__line ${__version_lines})

if(__line MATCHES "[^k]+kMajorVersion[ \t]+=[ \t]+([0-9]+);")

set(LEVELDB_VERSION_MAJOR ${CMAKE_MATCH_1})

elseif(__line MATCHES "[^k]+kMinorVersion[ \t]+=[ \t]+([0-9]+);")

set(LEVELDB_VERSION_MINOR ${CMAKE_MATCH_1})

endif()

endforeach()

if(LEVELDB_VERSION_MAJOR AND LEVELDB_VERSION_MINOR)

set(LEVELDB_VERSION "${LEVELDB_VERSION_MAJOR}.${LEVELDB_VERSION_MINOR}")

endif()

endif()

endif()