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# - Find the MPI compiler wrappers |
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# This module locates the MPI compiler wrappers (mpicc, mpicxx/mpic++, |
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mpif77 and mpif90). |
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# It is useful if one wants to force a project to use the MPI compiler |
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wrappers as default |
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# This module locates the MPI compiler wrappers (mpicc, mpicxx/mpic++, mpif77 and mpif90). |
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# It is useful if one wants to force a project to use the MPI compiler wrappers as default |
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# compilers. |
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# |
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# The module has the following COMPONENTS: |
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# F90 searches for mpif90 |
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# If no components are specified, all of them are enabled by default. |
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# |
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# The module sets the following cache variables (if the corresponding |
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module is enabled): |
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# The module sets the following cache variables (if the corresponding module is enabled): |
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# MPICOMPILERS_C the mpicc compiler |
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# MPICOMPILERS_CXX the mpicxx/mpic++ compiler |
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# MPICOMPILERS_F77 the mpif77 compiler |
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# MPICOMPILERS_F90 the mpif90 compiler |
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# |
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# If the user wishes to specify a specific compiler wrapper (e.g. one |
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which is |
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# using a non-standard name or one which is not found on the path) can |
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do so |
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# If the user wishes to specify a specific compiler wrapper (e.g. one which is |
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# using a non-standard name or one which is not found on the path) can do so |
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# by setting the corresponding MPICOMPILERS_XXX variable (e.g. using the |
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# -D flag the first time CMake is run). It also honours environment |
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variables |
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# by the same name. The CC, CXX and similar variables are not |
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considered by |
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# -D flag the first time CMake is run). It also honours environment variables |
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# by the same name. The CC, CXX and similar variables are not considered by |
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# design. |
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# |
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# If the module is not REQUIRED make sure to check the MPICOMPILERS_XXX |
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# variables. |
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# |
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# Beware that although the module can search for both the mpif77 and |
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mpif90 |
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# compiler wrappers, CMake only knows the CMAKE_Fortran_COMPILER |
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variable |
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# which means that you can't use both of the wrappers in the same |
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project. This, |
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# Beware that although the module can search for both the mpif77 and mpif90 |
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# compiler wrappers, CMake only knows the CMAKE_Fortran_COMPILER variable |
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# which means that you can't use both of the wrappers in the same project. This, |
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# however, probably is not a big issue as Fortran90 is a superset of |
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# Fortran77 and all Fortran90 compilers I know of also process Fortran77 |
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# sources. |
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# |
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# An example CMakeLists.txt could look like this: |
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# |
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# # prevent CMake from compiler detection using NONE as the project |
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language |
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# # prevent CMake from compiler detection using NONE as the project language |
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# project( some_project NONE ) |
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# |
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# |
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# cmake_minimum_required( VERSION 2.6 ) |
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# |
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# |
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# # find the mpi compiler wrappers |
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# find_package( MpiCompilers REQUIRED CXX F77 ) |
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# |
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# |
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# # set the CMAKE_XXX_COMPILER variables |
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# set( CMAKE_CXX_COMPILER ${MPICOMPILERS_CXX} ) |
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# set( CMAKE_Fortran_COMPILER ${MPICOMPILERS_F77} ) |
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# # enable the corresponding languages to do the compiler detection |
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# enable_language( CXX ) |
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# enable_language( Fortran ) |
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# |
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# |
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# # now go on as usual |
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# add_executable( fancy_mpi_program source1.cxx source2.f ) |
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# Copyright 2009 Michael Wild <themiwi at users.sourceforge.net> |
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# Copyright 2009 Michael Wild <themiwi@users.sourceforge.net> |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# |
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# * Redistributions of source code must retain the above copyright notice, |
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# this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above copyright notice, |
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# this list of conditions and the following disclaimer in the documentation |
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# and/or other materials provided with the distribution. |
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# * The names of its contributors may not be used to endorse or promote |
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# products derived from this software without specific prior written |
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# permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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# check the components that are requested |
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if( MpiCompilers_FIND_COMPONENTS ) |
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set( __MpiCompilers_C FALSE ) |
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set( __MpiCompilers_CXX FALSE ) |
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set( __MpiCompilers_F77 FALSE ) |
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set( __MpiCompilers_F90 FALSE ) |
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foreach( __MpiCompilers_comp ${MpiCompilers_FIND_COMPONENTS} ) |
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if( __MpiCompilers_comp STREQUAL C ) |
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set( __MpiCompilers_C TRUE ) |
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elseif( __MpiCompilers_comp STREQUAL CXX ) |
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set( __MpiCompilers_CXX TRUE ) |
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elseif(__MpiCompilers_comp STREQUAL F77 ) |
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set( __MpiCompilers_F77 TRUE ) |
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elseif( __MpiCompilers_comp STREQUAL F90 ) |
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set( __MpiCompilers_F90 TRUE ) |
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else( __MpiCompilers_comp STREQUAL C ) |
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message( FATAL_ERROR "Unknown component ${__MpiCompilers_comp}" ) |
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endif( __MpiCompilers_comp STREQUAL C ) |
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endforeach( __MpiCompilers_comp ) |
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set( __MpiCompilers_C FALSE ) |
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set( __MpiCompilers_CXX FALSE ) |
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set( __MpiCompilers_F77 FALSE ) |
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set( __MpiCompilers_F90 FALSE ) |
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foreach( __MpiCompilers_comp ${MpiCompilers_FIND_COMPONENTS} ) |
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if( __MpiCompilers_comp STREQUAL C ) |
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set( __MpiCompilers_C TRUE ) |
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elseif( __MpiCompilers_comp STREQUAL CXX ) |
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set( __MpiCompilers_CXX TRUE ) |
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elseif(__MpiCompilers_comp STREQUAL F77 ) |
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set( __MpiCompilers_F77 TRUE ) |
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elseif( __MpiCompilers_comp STREQUAL F90 ) |
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set( __MpiCompilers_F90 TRUE ) |
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else( __MpiCompilers_comp STREQUAL C ) |
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message( FATAL_ERROR "Unknown component ${__MpiCompilers_comp}" ) |
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endif( __MpiCompilers_comp STREQUAL C ) |
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endforeach( __MpiCompilers_comp ) |
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else( MpiCompilers_FIND_COMPONENTS ) |
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# by default turn all components on |
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set( __MpiCompilers_C TRUE ) |
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set( __MpiCompilers_CXX TRUE ) |
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set( __MpiCompilers_F77 TRUE ) |
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set( __MpiCompilers_F90 TRUE ) |
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# by default turn all components on |
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set( __MpiCompilers_C TRUE ) |
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set( __MpiCompilers_CXX TRUE ) |
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set( __MpiCompilers_F77 TRUE ) |
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set( __MpiCompilers_F90 TRUE ) |
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endif( MpiCompilers_FIND_COMPONENTS ) |
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# find the requested compilers and set up the list |
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set( __MpiCompilers_REQVARS "" ) |
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set( __MpiCompilers_FOUNDCOMPILERS "" ) |
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if( __MpiCompilers_C ) |
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if( NOT "$ENV{MPICOMPILERS_C}" STREQUAL "" ) |
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set( MPICOMPILERS_C $ENV{MPICOMPILERS_C} CACHE FILEPATH "Path to |
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the MPI C compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_C}" STREQUAL "" ) |
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find_program( MPICOMPILERS_C mpicc DOC "Path to the MPI C |
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compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_C}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_C ) |
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set( __MpiCompilers_FOUNDCOMPILERS "$ |
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{__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_C}" ) |
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if( NOT "$ENV{MPICOMPILERS_C}" STREQUAL "" ) |
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set( MPICOMPILERS_C $ENV{MPICOMPILERS_C} CACHE FILEPATH "Path to the MPI C compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_C}" STREQUAL "" ) |
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find_program( MPICOMPILERS_C mpicc DOC "Path to the MPI C compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_C}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_C ) |
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set( __MpiCompilers_FOUNDCOMPILERS "${__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_C}" ) |
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endif( __MpiCompilers_C ) |
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if( __MpiCompilers_CXX ) |
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if( NOT "$ENV{MPICOMPILERS_CXX}" STREQUAL "" ) |
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set( MPICOMPILERS_CXX $ENV{MPICOMPILERS_CXX} CACHE FILEPATH "Path |
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to the MPI C++ compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_CXX}" STREQUAL "" ) |
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find_program( MPICOMPILERS_CXX NAMES mpicxx mpic++ DOC "Path to |
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the MPI C++ compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_CXX}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_CXX ) |
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set( __MpiCompilers_FOUNDCOMPILERS "$ |
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{__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_CXX}" ) |
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if( NOT "$ENV{MPICOMPILERS_CXX}" STREQUAL "" ) |
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set( MPICOMPILERS_CXX $ENV{MPICOMPILERS_CXX} CACHE FILEPATH "Path to the MPI C++ compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_CXX}" STREQUAL "" ) |
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find_program( MPICOMPILERS_CXX NAMES mpicxx mpic++ DOC "Path to the MPI C++ compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_CXX}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_CXX ) |
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set( __MpiCompilers_FOUNDCOMPILERS "${__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_CXX}" ) |
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endif( __MpiCompilers_CXX ) |
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if( __MpiCompilers_F77 ) |
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if( NOT "$ENV{MPICOMPILERS_F77}" STREQUAL "" ) |
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set( MPICOMPILERS_F77 $ENV{MPICOMPILERS_F77} CACHE FILEPATH "Path |
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to the MPI F77 compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_F77}" STREQUAL "" ) |
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find_program( MPICOMPILERS_F77 mpif77 DOC "Path to the MPI F77 |
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compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_F77}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_F77 ) |
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set( __MpiCompilers_FOUNDCOMPILERS "$ |
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{__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_F77}" ) |
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if( NOT "$ENV{MPICOMPILERS_F77}" STREQUAL "" ) |
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set( MPICOMPILERS_F77 $ENV{MPICOMPILERS_F77} CACHE FILEPATH "Path to the MPI F77 compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_F77}" STREQUAL "" ) |
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find_program( MPICOMPILERS_F77 mpif77 DOC "Path to the MPI F77 compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_F77}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_F77 ) |
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set( __MpiCompilers_FOUNDCOMPILERS "${__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_F77}" ) |
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endif( __MpiCompilers_F77 ) |
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if( __MpiCompilers_F90 ) |
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if( NOT "$ENV{MPICOMPILERS_F90}" STREQUAL "" ) |
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set( MPICOMPILERS_F90 $ENV{MPICOMPILERS_F90} CACHE FILEPATH "Path |
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to the MPI F90 compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_F90}" STREQUAL "" ) |
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find_program( MPICOMPILERS_F90 mpif90 DOC "Path to the MPI F77 |
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compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_F90}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_F90 ) |
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set( __MpiCompilers_FOUNDCOMPILERS "$ |
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{__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_F90}" ) |
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if( NOT "$ENV{MPICOMPILERS_F90}" STREQUAL "" ) |
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set( MPICOMPILERS_F90 $ENV{MPICOMPILERS_F90} CACHE FILEPATH "Path to the MPI F90 compiler" ) |
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else( NOT "$ENV{MPICOMPILERS_F90}" STREQUAL "" ) |
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find_program( MPICOMPILERS_F90 mpif90 DOC "Path to the MPI F77 compiler" ) |
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endif( NOT "$ENV{MPICOMPILERS_F90}" STREQUAL "" ) |
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list( APPEND __MpiCompilers_REQVARS MPICOMPILERS_F90 ) |
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set( __MpiCompilers_FOUNDCOMPILERS "${__MpiCompilers_FOUNDCOMPILERS} ${MPICOMPILERS_F90}" ) |
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endif( __MpiCompilers_F90 ) |
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mark_as_advanced( ${__MpiCompilers_REQVARS} ) |
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# handle standard arguments |
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include( FindPackageHandleStandardArgs ) |
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find_package_handle_standard_args( MpiCompilers DEFAULT_MSG |
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__MpiCompilers_FOUNDCOMPILERS ${__MpiCompilers_REQVARS} ) |
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find_package_handle_standard_args( MpiCompilers DEFAULT_MSG __MpiCompilers_FOUNDCOMPILERS ${__MpiCompilers_REQVARS} ) |
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############################## END OF FindMpiCompilers.cmake ############################## |
