Create and add FindLMDB to CMakeLists.txt

Currently CMakeLists doesn't look for LMDB, a required dependency
for sink. This commit creates a FindLMDB script based in an original
script available in BSD license and add it to CMakeLists.txt.

1 files changed, 30 insertions, 0 deletions

diff --git a/cmake/modules/FindLMDB.cmake b/cmake/modules/FindLMDB.cmake
new file mode 100644
index 0000000..d0681ee
--- /dev/null
+++ b/cmake/modules/FindLMDB.cmake
@@ -0,0 +1,30 @@
+# Try to find the LMBD libraries and headers
+#  LMDB_FOUND - system has LMDB lib
+#  LMDB_INCLUDE_DIR - the LMDB include directory
+#  LMDB_LIBRARIES - Libraries needed to use LMDB
+
+# FindCWD based on FindGMP by:
+# Copyright (c) 2006, Laurent Montel, <montel@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+
+# Adapted from FindCWD by:
+# Copyright 2013 Conrad Steenberg <conrad.steenberg@gmail.com>
+# Aug 31, 2013
+
+# Adapted from FindLMDB by:
+# Copyright 2015 Anatoly Baksheev <anatoly.baksheev@gmail.com>
+# Mar 03, 2017
+
+find_path(LMDB_INCLUDE_DIR NAMES  lmdb.h PATHS "$ENV{LMDB_DIR}/include")
+find_library(LMDB_LIBRARIES NAMES lmdb   PATHS "$ENV{LMDB_DIR}/lib" )
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(LMDB DEFAULT_MSG LMDB_INCLUDE_DIR LMDB_LIBRARIES)
+
+if(LMDB_FOUND)
+  message(STATUS "Found lmdb    (include: ${LMDB_INCLUDE_DIR}, library: ${LMDB_LIBRARIES})")
+  mark_as_advanced(LMDB_INCLUDE_DIR LMDB_LIBRARIES)
+
+  set(LMDB_VERSION "${MDB_VERSION_MAJOR}.${MDB_VERSION_MINOR}.${MDB_VERSION_PATCH}")
+endif()