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lammps/lib/kokkos/cmake/tpls/FindTPLPthread.cmake
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FindTPLPthread.cmake
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# @HEADER
# ************************************************************************
#
# Trilinos: An Object-Oriented Solver Framework
# Copyright (2001) Sandia Corporation
#
#
# Copyright (2001) Sandia Corporation. Under the terms of Contract
# DE-AC04-94AL85000, there is a non-exclusive license for use of this
# work by or on behalf of the U.S. Government. Export of this program
# may require a license from the United States Government.
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the Corporation nor the names of the
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# NOTICE: The United States Government is granted for itself and others
# acting on its behalf a paid-up, nonexclusive, irrevocable worldwide
# license in this data to reproduce, prepare derivative works, and
# perform publicly and display publicly. Beginning five (5) years from
# July 25, 2001, the United States Government is granted for itself and
# others acting on its behalf a paid-up, nonexclusive, irrevocable
# worldwide license in this data to reproduce, prepare derivative works,
# distribute copies to the public, perform publicly and display
# publicly, and to permit others to do so.
#
# NEITHER THE UNITED STATES GOVERNMENT, NOR THE UNITED STATES DEPARTMENT
# OF ENERGY, NOR SANDIA CORPORATION, NOR ANY OF THEIR EMPLOYEES, MAKES
# ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL LIABILITY OR
# RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY
# INFORMATION, APPARATUS, PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS
# THAT ITS USE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS.
#
# ************************************************************************
# @HEADER
SET(USE_THREADS FALSE)
IF(NOT TPL_Pthread_INCLUDE_DIRS AND NOT TPL_Pthread_LIBRARY_DIRS AND NOT TPL_Pthread_LIBRARIES)
# Use CMake's Thread finder since it is a bit smarter in determining
# whether pthreads is already built into the compiler and doesn't need
# a library to link.
FIND_PACKAGE(Threads)
#If Threads found a copy of pthreads make sure it is one of the cases the tribits
#tpl system cannot handle.
IF(Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
IF(CMAKE_THREAD_LIBS_INIT STREQUAL "" OR CMAKE_THREAD_LIBS_INIT STREQUAL "-pthread")
SET(USE_THREADS TRUE)
ENDIF()
ENDIF()
ENDIF()
IF(USE_THREADS)
SET(TPL_Pthread_INCLUDE_DIRS "")
SET(TPL_Pthread_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}")
SET(TPL_Pthread_LIBRARY_DIRS "")
ELSE()
TRIBITS_TPL_FIND_INCLUDE_DIRS_AND_LIBRARIES( Pthread
REQUIRED_HEADERS pthread.h
REQUIRED_LIBS_NAMES pthread
)
ENDIF()
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