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#
# This file is open source software, licensed to you under the terms
# of the Apache License, Version 2.0 (the "License"). See the NOTICE file
# distributed with this work for additional information regarding copyright
# ownership. You may not use this file except in compliance with the License.
#
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
# Copyright (C) 2022 ScyllaDB
#
find_package (PkgConfig REQUIRED)
pkg_check_modules (PC_URING QUIET liburing)
find_library (URING_LIBRARY
NAMES uring
HINTS
${PC_URING_LIBDIR}
${PC_URING_LIBRARY_DIRS})
find_path (URING_INCLUDE_DIR
NAMES liburing.h
HINTS
${PC_URING_INCLUDEDIR}
${PC_URING_INCLUDE_DIRS})
if (URING_INCLUDE_DIR)
include (CheckStructHasMember)
include (CMakePushCheckState)
cmake_push_check_state (RESET)
list(APPEND CMAKE_REQUIRED_INCLUDES ${URING_INCLUDE_DIR})
CHECK_STRUCT_HAS_MEMBER ("struct io_uring" features liburing.h
HAVE_IOURING_FEATURES LANGUAGE CXX)
cmake_pop_check_state ()
endif ()
mark_as_advanced (
URING_LIBRARY
URING_INCLUDE_DIR
HAVE_IOURING_FEATURES)
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args (LibUring
REQUIRED_VARS
URING_LIBRARY
URING_INCLUDE_DIR
HAVE_IOURING_FEATURES
VERSION_VAR PC_URING_VERSION)
if (LibUring_FOUND)
set (URING_LIBRARIES ${URING_LIBRARY})
set (URING_INCLUDE_DIRS ${URING_INCLUDE_DIR})
if (NOT (TARGET URING::uring))
add_library (URING::uring UNKNOWN IMPORTED)
set_target_properties (URING::uring
PROPERTIES
IMPORTED_LOCATION ${URING_LIBRARY}
INTERFACE_INCLUDE_DIRECTORIES ${URING_INCLUDE_DIRS})
endif ()
endif ()
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