ceph/cmake/modules/FindRocksDB.cmake

48 lines
1.6 KiB
CMake

# Find the native Rocksdb includes and library
# This module defines
# ROCKSDB_INCLUDE_DIR, where to find rocksdb/db.h, Set when
# ROCKSDB_INCLUDE_DIR is found.
# ROCKSDB_LIBRARIES, libraries to link against to use Rocksdb.
# ROCKSDB_FOUND, If false, do not try to use Rocksdb.
# ROCKSDB_VERSION_STRING
# ROCKSDB_VERSION_MAJOR
# ROCKSDB_VERSION_MINOR
# ROCKSDB_VERSION_PATCH
find_path(ROCKSDB_INCLUDE_DIR rocksdb/db.h)
find_library(ROCKSDB_LIBRARIES rocksdb)
if(ROCKSDB_INCLUDE_DIR AND EXISTS "${ROCKSDB_INCLUDE_DIR}/rocksdb/version.h")
foreach(ver "MAJOR" "MINOR" "PATCH")
file(STRINGS "${ROCKSDB_INCLUDE_DIR}/rocksdb/version.h" ROCKSDB_VER_${ver}_LINE
REGEX "^#define[ \t]+ROCKSDB_${ver}[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+ROCKSDB_${ver}[ \t]+([0-9]+)$"
"\\1" ROCKSDB_VERSION_${ver} "${ROCKSDB_VER_${ver}_LINE}")
unset(${ROCKSDB_VER_${ver}_LINE})
endforeach()
set(ROCKSDB_VERSION_STRING
"${ROCKSDB_VERSION_MAJOR}.${ROCKSDB_VERSION_MINOR}.${ROCKSDB_VERSION_PATCH}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(RocksDB
REQUIRED_VARS ROCKSDB_LIBRARIES ROCKSDB_INCLUDE_DIR
VERSION_VAR ROCKSDB_VERSION_STRING)
mark_as_advanced(
ROCKSDB_INCLUDE_DIR
ROCKSDB_LIBRARIES)
if(RocksDB_FOUND)
if(NOT TARGET RocksDB::RocksDB)
add_library(RocksDB::RocksDB UNKNOWN IMPORTED)
set_target_properties(RocksDB::RocksDB PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${ROCKSDB_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
IMPORTED_LOCATION "${ROCKSDB_LIBRARIES}"
VERSION "${ROCKSDB_VERSION_STRING}")
endif()
endif()