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#
# FindThrust
#
# This module finds the Thrust header files and extracts 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".
#
# Thrust_FOUND - Indicates whether Thrust has been found
#
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)
endif(THRUST_INCLUDE_DIR)
# 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}")
set(THRUST_MAJOR_VERSION "${major}")
set(THRUST_MINOR_VERSION "${minor}")
# Check for required components
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Thrust REQUIRED_VARS THRUST_INCLUDE_DIR VERSION_VAR THRUST_VERSION)
set(THRUST_INCLUDE_DIRS ${THRUST_INCLUDE_DIR})
mark_as_advanced(THRUST_INCLUDE_DIR)
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