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# (C) Copyright 2011- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation nor
# does it submit to any jurisdiction.
# OUTPUT:
# RT_LIB = the library to link against
if( CMAKE_SYSTEM_NAME MATCHES "Linux" )
find_package( Realtime )
if( REALTIME_FOUND ) # check that aio needs realtime
set( AIO_LIBRARIES ${RT_LIB} )
endif()
endif()
find_path( AIO_INCLUDE_DIRS NAMES aio.h HINTS ENV AIO_PATH ${AIO_PATH} )
mark_as_advanced( AIO_INCLUDE_DIRS )
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args( AIO DEFAULT_MSG AIO_INCLUDE_DIRS )
# # checks for AIO64 vs AIO
# if( AIO_FOUND )
#
# include( CheckCSourceCompiles )
# include( CMakePushCheckState )
#
# cmake_push_check_state()
#
# set( CMAKE_REQUIRED_INCLUDES ${AIO_INCLUDE_DIRS} )
#
# if( AIO_LIBRARIES )
# set( CMAKE_REQUIRED_LIBRARIES ${AIO_LIBRARIES} )
# endif()
#
# if( NOT DEFINED EC_HAVE_AIOCB )
# ecbuild_cache_check_c_source_compiles( "#include <aio.h>
# #include <fcntl.h>
# int main(){
# struct aiocb* aiocbp;
# int n = aio_write(aiocbp);
# n = aio_read(aiocbp);
# n = aio_fsync(O_SYNC,aiocbp);
# return 0; }"
# EC_HAVE_AIOCB )
# endif()
#
# if( NOT DEFINED EC_HAVE_AIOCB64 )
# check_c_source_compiles( "#include <aio.h>
# #include <fcntl.h>
# int main(){
# struct aiocb64* aiocbp;
# int n = aio_write64(aiocbp);
# n = aio_read64(aiocbp);
# n = aio_fsync64(O_SYNC,aiocbp);
# return 0; }"
# EC_HAVE_AIOCB64 )
# endif()
#
# cmake_pop_check_state()
#
# endif()
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