squawk/cmake/FindLMDB.cmake

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CMake
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#This file is taken from here https://gitlab.ralph.or.at/causal-rt/causal-cpp/, it was GPLv3 license
#Thank you so much, mr. Ralph Alexander Bariz, I hope you don't mind me using your code
# Try to find LMDB headers and library.
#
# Usage of this module as follows:
#
# find_package(LMDB)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# LMDB_ROOT_DIR Set this variable to the root installation of
# LMDB if the module has problems finding the
# proper installation path.
#
# Variables defined by this module:
#
# LMDB_FOUND System has LMDB library/headers.
# LMDB_LIBRARIES The LMDB library.
# LMDB_INCLUDE_DIRS The location of LMDB headers.
find_path(LMDB_ROOT_DIR
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NAMES include/lmdb.h
)
find_library(LMDB_LIBRARIES
NAMES liblmdb.a liblmdb.so liblmdb.so.a liblmdb.dll.a # We want lmdb to be static, if possible
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HINTS ${LMDB_ROOT_DIR}/lib
)
add_library(lmdb UNKNOWN IMPORTED)
set_target_properties(lmdb PROPERTIES
IMPORTED_LOCATION ${LMDB_LIBRARIES}
)
find_path(LMDB_INCLUDE_DIRS
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NAMES lmdb.h
HINTS ${LMDB_ROOT_DIR}/include
)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LMDB DEFAULT_MSG
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LMDB_LIBRARIES
LMDB_INCLUDE_DIRS
)
mark_as_advanced(
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LMDB_ROOT_DIR
LMDB_LIBRARIES
LMDB_INCLUDE_DIRS
)