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##=============================================================================
##
## Copyright (c) Kitware, Inc.
## All rights reserved.
## See LICENSE.txt for details.
##
## This software is distributed WITHOUT ANY WARRANTY; without even
## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
## PURPOSE. See the above copyright notice for more information.
##
## Copyright 2012 Sandia Corporation.
## Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
## the U.S. Government retains certain rights in this software.
##
##=============================================================================
#
# FindThrust
#
# This module finds the Thrust header files and extrats their version. It
# sets the following variables.
#
# THRUST_INCLUDE_DIR - Include directory for thrust header files. (All header
# files will actually be in the thrust subdirectory.)
# THRUST_VERSION - Version of thrust in the form "major.minor.patch".
#
find_path( THRUST_INCLUDE_DIR
HINTS
/usr/include/cuda
/usr/local/include
/usr/local/cuda/include
${CUDA_INCLUDE_DIRS}
NAMES thrust/version.h
DOC "Thrust headers"
)
if( THRUST_INCLUDE_DIR )
list( REMOVE_DUPLICATES THRUST_INCLUDE_DIR )
include_directories( ${THRUST_INCLUDE_DIR} )
endif()
# Find thrust version
file( STRINGS ${THRUST_INCLUDE_DIR}/thrust/version.h
version
REGEX "#define THRUST_VERSION[ \t]+([0-9x]+)"
)
string( REGEX REPLACE
"#define THRUST_VERSION[ \t]+"
""
version
"${version}"
)
string( REGEX MATCH "^[0-9]" major ${version} )
string( REGEX REPLACE "^${major}00" "" version "${version}" )
string( REGEX MATCH "^[0-9]" minor ${version} )
string( REGEX REPLACE "^${minor}0" "" version "${version}" )
set( THRUST_VERSION "${major}.${minor}.${version}")
# Check for required components
include( FindPackageHandleStandardArgs )
find_package_handle_standard_args( Thrust
REQUIRED_VARS THRUST_INCLUDE_DIR
VERSION_VAR THRUST_VERSION
)
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