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-rw-r--r--cmake/modules/FindRocksDB.cmake47
1 files changed, 47 insertions, 0 deletions
diff --git a/cmake/modules/FindRocksDB.cmake b/cmake/modules/FindRocksDB.cmake
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+++ b/cmake/modules/FindRocksDB.cmake
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+# 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()
+