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FindScotch.cmake
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Created
Mon, Aug 26, 06:18
Size
8 KB
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text/x-c
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Wed, Aug 28, 06:18 (2 d)
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blob
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18293776
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rAKA akantu
FindScotch.cmake
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#===============================================================================
# @file FindScotch.cmake
#
# @author Nicolas Richart <nicolas.richart@epfl.ch>
#
# @date creation: Fri Oct 24 2014
# @date last modification: Wed Jan 13 2016
#
# @brief The find_package file for Scotch
#
# @section LICENSE
#
# Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
# (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# Akantu is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Akantu. If not, see <http://www.gnu.org/licenses/>.
#
#===============================================================================
set
(
_SCOTCH_COMPONENTS
"metis"
"parmetis"
"esmumps"
"ptscotch"
)
if
(
NOT
Scotch_FIND_COMPONENTS
)
set
(
Scotch_FIND_COMPONENTS
)
endif
()
find_path
(
SCOTCH_INCLUDE_DIR
scotch.h
PATHS
"${SCOTCH_DIR}"
ENV
SCOTCH_DIR
PATH_SUFFIXES
include
include/scotch
)
find_library
(
SCOTCH_LIBRARY
scotch
PATHS
"${SCOTCH_DIR}"
ENV
SCOTCH_DIR
PATH_SUFFIXES
lib
)
set
(
_scotch_test_dir
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}"
)
file
(
WRITE
"${_scotch_test_dir}/scotch_test_code.c"
"#include <stdio.h>
#include <stdint.h>
#include <scotch.h>
int main() {
SCOTCH_Graph graph;
SCOTCH_graphInit(&graph);
return 0;
}
"
)
#===============================================================================
include
(
FindPackageHandleStandardArgs
)
if
(
CMAKE_VERSION
VERSION_GREATER
2.8.12
)
if
(
SCOTCH_INCLUDE_DIR
)
file
(
STRINGS
${
SCOTCH_INCLUDE_DIR
}
/scotch.h
_versions
REGEX
"^#define\ +SCOTCH_(VERSION|RELEASE|PATCHLEVEL) .*"
)
foreach
(
_ver
${
_versions
}
)
string
(
REGEX
MATCH
"SCOTCH_(VERSION|RELEASE|PATCHLEVEL) *([0-9.]+)"
_tmp
"${_ver}"
)
set
(
_scotch_
${
CMAKE_MATCH_1
}
${
CMAKE_MATCH_2
}
)
endforeach
()
set
(
SCOTCH_VERSION
"${_scotch_VERSION}.${_scotch_RELEASE}.${_scotch_PATCHLEVEL}"
CACHE
INTERNAL
""
)
endif
()
find_package_handle_standard_args
(
Scotch
REQUIRED_VARS
SCOTCH_LIBRARY
SCOTCH_INCLUDE_DIR
VERSION_VAR
SCOTCH_VERSION
)
else
()
find_package_handle_standard_args
(
Scotch
DEFAULT_MSG
SCOTCH_LIBRARY
SCOTCH_INCLUDE_DIR
)
endif
()
set
(
SCOTCH_LIBRARIES_ALL
${
SCOTCH_LIBRARY
}
)
try_compile
(
_scotch_compiles
"${_scotch_test_dir}"
SOURCES
"${_scotch_test_dir}/scotch_test_code.c"
CMAKE_FLAGS
"-DINCLUDE_DIRECTORIES:STRING=${SCOTCH_INCLUDE_DIR}"
LINK_LIBRARIES
${
SCOTCH_LIBRARY
}
OUTPUT_VARIABLE
_out
)
get_filename_component
(
_scotch_hint
"${SCOTCH_LIBRARY}"
DIRECTORY
)
if
(
SCOTCH_LIBRARY
MATCHES
".*scotch.*${CMAKE_STATIC_LIBRARY_SUFFIX}"
)
# Assuming scotch was compiled as a static library
set
(
SCOTCH_LIBRARY_TYPE
STATIC
CACHE
INTERNAL
""
FORCE
)
else
()
set
(
SCOTCH_LIBRARY_TYPE
SHARED
CACHE
INTERNAL
""
FORCE
)
endif
()
if
(
NOT
_scotch_compiles
)
if
(
_out
MATCHES
"SCOTCH_errorPrint"
)
find_library
(
SCOTCH_LIBRARY_ERR
scotcherr
HINTS
${
_scotch_hint
}
)
find_library
(
SCOTCH_LIBRARY_ERREXIT
scotcherrexit
HINTS
${
_scotch_hint
}
)
if
(
NOT
TARGET
Scotch::err
)
add_library
(
Scotch::err
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
if
(
NOT
TARGET
Scotch::errexit
)
add_library
(
Scotch::errexit
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::errexit
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_ERREXIT}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
)
set_target_properties
(
Scotch::err
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_ERR}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
INTERFACE_LINK_LIBRARIES
"Scotch::errexit"
)
mark_as_advanced
(
SCOTCH_LIBRARY_ERR
SCOTCH_LIBRARY_ERREXIT
)
list
(
APPEND
SCOTCH_LIBRARIES_ALL
${
SCOTCH_LIBRARY_ERR
}
${
SCOTCH_LIBRARY_ERREXIT
}
)
set
(
_scotch_link_lib
INTERFACE_LINK_LIBRARIES
"Scotch::err"
)
endif
()
endif
()
if
(
NOT
TARGET
Scotch::scotch
)
add_library
(
Scotch::scotch
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::scotch
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
${
_scotch_link_lib
}
)
set
(
SCOTCH_LIBRARIES
${
SCOTCH_LIBRARIES_ALL
}
CACHE
INTERNAL
"Libraries for Scotch"
FORCE
)
mark_as_advanced
(
SCOTCH_LIBRARY
SCOTCH_INCLUDE_DIR
SCOTCH_LIBRARIES
)
if
(
"${Scotch_FIND_COMPONENTS}"
MATCHES
"esmumps"
)
find_library
(
SCOTCH_LIBRARY_ESMUMPS
esmumps
HINTS
${
_scotch_hint
}
)
if
(
NOT
TARGET
Scotch::esmumps
)
add_library
(
Scotch::esmumps
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::esmumps
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_ESMUMPS}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
)
mark_as_advanced
(
SCOTCH_LIBRARY_ESMUMPS
)
endif
()
if
(
"${Scotch_FIND_COMPONENTS}"
MATCHES
"metis"
)
find_library
(
SCOTCH_LIBRARY_METIS
scotchmetis
HINTS
${
_scotch_hint
}
)
if
(
NOT
TARGET
Scotch::metis
)
add_library
(
Scotch::metis
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::metis
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_METIS}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
)
mark_as_advanced
(
SCOTCH_LIBRARY_METIS
)
endif
()
if
(
"${Scotch_FIND_COMPONENTS}"
MATCHES
"parmetis"
)
find_library
(
SCOTCH_LIBRARY_PARMETIS
scotchparmetis
HINTS
${
_scotch_hint
}
)
if
(
NOT
TARGET
Scotch::parmetis
)
add_library
(
Scotch::parmetis
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::parmetis
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_PARMETIS}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
INTERFACE_INCLUDE_DIRECTORIES
"Scotch::metis"
)
mark_as_advanced
(
SCOTCH_LIBRARY_PARMETIS
)
endif
()
#
##===============================================================================
if
(
"${Scotch_FIND_COMPONENTS}"
MATCHES
"ptscotch"
)
file
(
WRITE
"${_scotch_test_dir}/ptscotch_test_code.c"
"#include <stdio.h>
#include <stdint.h>
#include <mpi.h>
#include <ptscotch.h>
int main() {
SCOTCH_Dgraph graph;
SCOTCH_dgraphInit(&graph, MPI_COMM_WORLD);
return 0;
}
"
)
find_package
(
MPI
REQUIRED
)
find_library
(
SCOTCH_LIBRARY_PTSCOTCH
ptscotch
HINTS
${
_scotch_hint
}
)
try_compile
(
_scotch_compiles
"${_scotch_test_dir}"
SOURCES
"${_scotch_test_dir}/ptscotch_test_code.c"
CMAKE_FLAGS
"-DINCLUDE_DIRECTORIES:STRING=${SCOTCH_INCLUDE_DIR};${MPI_C_INCLUDE_PATH}"
LINK_LIBRARIES
${
SCOTCH_LIBRARY_PTSCOTCH
}
${
MPI_C_LIBRARIES
}
OUTPUT_VARIABLE
_out
)
if
(
NOT
_scotch_compiles
)
if
(
_out
MATCHES
"SCOTCH_archExit"
)
set
(
_scotch_link_lib
INTERFACE_LINK_LIBRARIES
"Scotch::scotch"
)
endif
()
endif
()
if
(
NOT
TARGET
Scotch::ptscotch
)
add_library
(
Scotch::ptscotch
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::ptscotch
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_PTSCOTCH}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
${
_scotch_link_lib
}
)
set
(
PTSCOTCH_LIBRARIES
${
SCOTCH_LIBRARY_PTSCOTCH
}
${
SCOTCH_LIBRARIES
}
CACHE
INTERNAL
"Libraries for PT-Scotch"
FORCE
)
mark_as_advanced
(
SCOTCH_LIBRARY_PTSCOTCH
PTSCOTCH_LIBRARIES
)
if
(
"${Scotch_FIND_COMPONENTS}"
MATCHES
"esmumps"
)
find_library
(
SCOTCH_LIBRARY_PTESMUMPS
ptesmumps
HINTS
${
_scotch_hint
}
PATH_SUFFIXES
lib
.
)
if
(
NOT
TARGET
Scotch::ptesmumps
)
add_library
(
Scotch::ptesmumps
${
SCOTCH_LIBRARY_TYPE
}
IMPORTED
GLOBAL
)
endif
()
set_target_properties
(
Scotch::ptesmumps
PROPERTIES
IMPORTED_LOCATION
"${SCOTCH_LIBRARY_ESMUMPS}"
INTERFACE_INCLUDE_DIRECTORIES
"${SCOTCH_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES
"C"
)
mark_as_advanced
(
SCOTCH_LIBRARY_PTESMUMPS
)
endif
()
endif
()
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