2013-05-15 03:24:52 -05:00
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# - Find Tim Davis' SuiteSparse collection of sparse matrix libraries
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#
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# Synopsis:
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# find_package (SuiteSparse COMPONENTS <list-of-components>)
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#
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# Components are:
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# amd Approximate Minimum Degree ordering
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# camd Constrained Approximate Minimum Degree ordering
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# colamd COLumn Approximate Minimum Degree ordering
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# ccolamd Constrained COLumn Approximate Minimum Degree ordering
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# cholmod Supernodal sparse Cholesky factorization and update
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# umfpack Unsymmetric MultiFrontal sparse LU factorization
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#
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# The following variables will be set:
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#
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# SuiteSparse_FOUND True if all dependencies are satisfied
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# SuiteSparse_Xxx_FOUND True if module Xxx is found
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# HAVE_SUITESPARSE_Xxx_H Binary value indicating presence of header
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# SuiteSparse_INCLUDE_DIRS Paths containing the SuiteSparse header files
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# SuiteSparse_LIBRARIES Name of the libraries which must be linked
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# SuiteSparse_DEFINITIONS Defines that must be passed to the compiler
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# SuiteSparse_LINKER_FLAGS Options that must be passed when linking
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#
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# See <http://www.cise.ufl.edu/research/sparse/SuiteSparse>.
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# Copyright (C) 2012 Uni Research AS
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# This file is licensed under the GNU General Public License v3.0
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function (try_compile_umfpack varname)
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include (CMakePushCheckState)
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include (CheckCSourceCompiles)
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cmake_push_check_state ()
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set (CMAKE_REQUIRED_INCLUDES ${UMFPACK_INCLUDE_DIRS})
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set (CMAKE_REQUIRED_LIBRARIES ${UMFPACK_LIBRARY} ${ARGN} ${SuiteSparse_EXTRA_LIBS})
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check_c_source_compiles (
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"#include <umfpack.h>
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int main (void) {
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void *Symbolic, *Numeric;
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double Info[UMFPACK_INFO], Control[UMFPACK_CONTROL];
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umfpack_dl_defaults(Control);
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umfpack_dl_symbolic(0, 0, 0, 0, 0,
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&Symbolic, Control, Info);
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umfpack_dl_numeric (0, 0, 0,
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Symbolic, &Numeric, Control, Info);
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umfpack_dl_free_symbolic(&Symbolic);
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umfpack_dl_solve(UMFPACK_A, 0, 0, 0, 0, 0,
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Numeric, Control, Info);
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umfpack_dl_free_numeric(&Numeric);
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umfpack_timer ();
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return 0;
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}" ${varname})
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cmake_pop_check_state ()
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set (${varname} "${${varname}}" PARENT_SCOPE)
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endfunction (try_compile_umfpack varname)
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# variables to pass on to other packages
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if (FIND_QUIETLY)
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set (SuiteSparse_QUIET "QUIET")
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else (FIND_QUIETLY)
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set (SuiteSparse_QUIET "")
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endif (FIND_QUIETLY)
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# we need to link to BLAS and LAPACK
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if (NOT BLAS_FOUND)
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find_package (BLAS ${SuiteSparse_QUIET} REQUIRED)
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endif (NOT BLAS_FOUND)
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if (NOT LAPACK_FOUND)
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find_package (LAPACK ${SuiteSparse_QUIET} REQUIRED)
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endif (NOT LAPACK_FOUND)
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# we also need the math part of the runtime library
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find_library (MATH_LIBRARY NAMES "m")
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set (SuiteSparse_EXTRA_LIBS ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES} ${MATH_LIBRARY})
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# search paths for the library outside of standard system paths. these are the
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# paths in which the package managers on various distros put the files
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list (APPEND SuiteSparse_SEARCH_PATH "/usr") # Linux
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list (APPEND SuiteSparse_SEARCH_PATH "/opt/local") # MacOS X
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# if we don't get any further clues about where to look, then start
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# roaming around the system
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set (_no_default_path "")
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# pick up paths from the environment if specified there; these replace the
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# pre-defined paths so that we don't accidentially pick up old stuff
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if (NOT $ENV{SuiteSparse_DIR} STREQUAL "")
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set (SuiteSparse_SEARCH_PATH "$ENV{SuiteSparse_DIR}")
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set (_no_default_path "NO_DEFAULT_PATH")
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endif (NOT $ENV{SuiteSparse_DIR} STREQUAL "")
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2013-09-12 02:36:19 -05:00
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if (SuiteSparse_DIR)
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2013-05-15 03:24:52 -05:00
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set (SuiteSparse_SEARCH_PATH "${SuiteSparse_DIR}")
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set (_no_default_path "NO_DEFAULT_PATH")
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2013-09-12 02:36:19 -05:00
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endif (SuiteSparse_DIR)
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2013-05-15 03:24:52 -05:00
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# CMake uses _DIR suffix as default for config-mode files; it is unlikely
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# that we are building SuiteSparse ourselves; use _ROOT suffix to specify
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# location to pre-canned binaries
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if (NOT $ENV{SuiteSparse_ROOT} STREQUAL "")
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set (SuiteSparse_SEARCH_PATH "$ENV{SuiteSparse_ROOT}")
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set (_no_default_path "NO_DEFAULT_PATH")
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endif (NOT $ENV{SuiteSparse_ROOT} STREQUAL "")
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2013-09-12 02:36:19 -05:00
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if (SuiteSparse_ROOT)
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2013-05-15 03:24:52 -05:00
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set (SuiteSparse_SEARCH_PATH "${SuiteSparse_ROOT}")
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set (_no_default_path "NO_DEFAULT_PATH")
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2013-09-12 02:36:19 -05:00
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endif (SuiteSparse_ROOT)
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2013-05-15 03:24:52 -05:00
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# transitive closure of dependencies; after this SuiteSparse_MODULES is the
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# full list of modules that must be found to satisfy the user's link demands
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set (SuiteSparse_MODULES ${SuiteSparse_FIND_COMPONENTS})
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list (FIND SuiteSparse_MODULES "umfpack" UMFPACK_DESIRED)
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if (NOT UMFPACK_DESIRED EQUAL -1)
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list (APPEND SuiteSparse_MODULES amd cholmod)
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endif (NOT UMFPACK_DESIRED EQUAL -1)
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list (FIND SuiteSparse_MODULES "cholmod" CHOLMOD_DESIRED)
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if (NOT CHOLMOD_DESIRED EQUAL -1)
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list (APPEND SuiteSparse_MODULES amd camd colamd)
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endif (NOT CHOLMOD_DESIRED EQUAL -1)
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if (SuiteSparse_MODULES)
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list (REMOVE_DUPLICATES SuiteSparse_MODULES)
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endif (SuiteSparse_MODULES)
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# if someone else already have found all the packages for us, then don't do anything
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set (SuiteSparse_EVERYTHING_FOUND TRUE)
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foreach (module IN LISTS SuiteSparse_MODULES)
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string (TOUPPER ${module} MODULE)
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if (NOT SuiteSparse_${MODULE}_FOUND)
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set (SuiteSparse_EVERYTHING_FOUND FALSE)
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break ()
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endif (NOT SuiteSparse_${MODULE}_FOUND)
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endforeach (module)
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if (SuiteSparse_EVERYTHING_FOUND)
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return ()
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endif (SuiteSparse_EVERYTHING_FOUND)
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# only search in architecture-relevant directory
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if (CMAKE_SIZEOF_VOID_P)
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math (EXPR _BITS "8 * ${CMAKE_SIZEOF_VOID_P}")
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endif (CMAKE_SIZEOF_VOID_P)
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# if SuiteSparse >= 4.0 we must also link with libsuitesparseconfig
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# assume that this is the case if we find the library; otherwise just
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# ignore it (older versions don't have a file named like this)
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find_library (config_LIBRARY
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NAMES suitesparseconfig
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PATHS ${SuiteSparse_SEARCH_PATH}
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PATH_SUFFIXES ".libs" "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}" "lib/ufsparse"
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${_no_default_path}
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)
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if (config_LIBRARY)
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list (APPEND SuiteSparse_EXTRA_LIBS ${config_LIBRARY})
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# POSIX.1-2001 REALTIME portion require us to link this library too for
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# clock_gettime() which is used by suitesparseconfig
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if ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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list (APPEND SuiteSparse_EXTRA_LIBS "-lrt")
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endif ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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endif (config_LIBRARY)
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# search filesystem for each of the module individually
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foreach (module IN LISTS SuiteSparse_MODULES)
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string (TOUPPER ${module} MODULE)
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# search for files which implements this module
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find_path (${MODULE}_INCLUDE_DIR
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NAMES ${module}.h
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PATHS ${SuiteSparse_SEARCH_PATH}
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2013-08-26 02:55:13 -05:00
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PATH_SUFFIXES "include" "include/suitesparse" "include/ufsparse" "${MODULE}/Include"
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${_no_default_path}
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)
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find_library (${MODULE}_LIBRARY
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NAMES ${module}
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PATHS ${SuiteSparse_SEARCH_PATH}
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2013-08-26 02:55:13 -05:00
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PATH_SUFFIXES "lib/.libs" "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}" "lib/ufsparse" "${MODULE}/Lib"
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${_no_default_path}
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)
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# start out by including the module itself; other dependencies will be added later
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set (${MODULE}_INCLUDE_DIRS ${${MODULE}_INCLUDE_DIR})
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set (${MODULE}_LIBRARIES ${${MODULE}_LIBRARY})
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endforeach (module)
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# insert any inter-modular dependencies here
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if (CHOLMOD_LIBRARY)
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list (APPEND CHOLMOD_LIBRARIES ${AMD_LIBRARIES} ${COLAMD_LIBRARIES})
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# optional libraries; don't insert any -NOT_FOUND paths
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if (CAMD_LIBRARY)
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list (APPEND CHOLMOD_LIBRARIES ${CAMD_LIBRARIES})
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endif (CAMD_LIBRARY)
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if (CCOLAMD_LIBRARY)
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list (APPEND CHOLMOD_LIBRARIES ${CCOLAMD_LIBRARIES})
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endif (CCOLAMD_LIBRARY)
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list (REVERSE CHOLMOD_LIBRARIES)
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# always remove the *first* library from the list
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list (REMOVE_DUPLICATES CHOLMOD_LIBRARIES)
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list (REVERSE CHOLMOD_LIBRARIES)
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endif (CHOLMOD_LIBRARY)
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if (UMFPACK_LIBRARY)
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set (UMFPACK_EXTRA_LIBS)
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# test if umfpack is usable with only amd and not cholmod
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try_compile_umfpack (HAVE_UMFPACK_WITHOUT_CHOLMOD ${AMD_LIBRARIES})
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if (HAVE_UMFPACK_WITHOUT_CHOLMOD)
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list (APPEND UMFPACK_EXTRA_LIBS ${AMD_LIBRARIES})
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else (HAVE_UMFPACK_WITHOUT_CHOLMOD)
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if (CHOLMOD_LIBRARIES)
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try_compile_umfpack (HAVE_UMFPACK_WITH_CHOLMOD ${CHOLMOD_LIBRARIES})
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if (HAVE_UMFPACK_WITH_CHOLMOD)
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list (APPEND UMFPACK_EXTRA_LIBS ${CHOLMOD_LIBRARIES})
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else (HAVE_UMFPACK_WITH_CHOLMOD)
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set (UMFPACK_EXTRA_LIBS "-NOTFOUND")
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endif (HAVE_UMFPACK_WITH_CHOLMOD)
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else (CHOLMOD_LIBRARIES)
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# if we don't have cholmod, then we certainly cannot have umfpack with cholmod
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set (UMFPACK_EXTRA_LIBS "-NOTFOUND")
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endif (CHOLMOD_LIBRARIES)
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endif (HAVE_UMFPACK_WITHOUT_CHOLMOD)
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# test if umfpack is underlinked (CentOS 5.9), i.e. doesn't specify
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# that it depends on amd. in that case, force amd to be linked
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if (UMFPACK_EXTRA_LIBS AND (CMAKE_CXX_PLATFORM_ID STREQUAL "Linux") AND CMAKE_COMPILER_IS_GNUCC)
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try_compile_umfpack (HAVE_UMFPACK_NOT_UNDERLINKED "-Wl,--as-needed" ${UMFPACK_EXTRA_LIBS})
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if (NOT HAVE_UMFPACK_NOT_UNDERLINKED)
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list (APPEND UMFPACK_LINKER_FLAGS "-Wl,--no-as-needed")
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endif (NOT HAVE_UMFPACK_NOT_UNDERLINKED)
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endif (UMFPACK_EXTRA_LIBS AND (CMAKE_CXX_PLATFORM_ID STREQUAL "Linux") AND CMAKE_COMPILER_IS_GNUCC)
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list (APPEND UMFPACK_LIBRARIES ${UMFPACK_EXTRA_LIBS})
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list (REVERSE UMFPACK_LIBRARIES)
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list (REMOVE_DUPLICATES UMFPACK_LIBRARIES)
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list (REVERSE UMFPACK_LIBRARIES)
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endif (UMFPACK_LIBRARY)
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# don't reset these sets; if two packages request SuiteSparse with
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# different modules, we want the sets to be merged
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#set (SuiteSparse_LIBRARIES "")
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#set (SuiteSparse_INCLUDE_DIRS "")
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# determine which modules were found based on whether all dependencies
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# were satisfied; create a list of ALL modules (specified) that was found
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# (to be included in one swoop in CMakeLists.txt)
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set (SuiteSparse_FOUND TRUE)
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foreach (module IN LISTS SuiteSparse_FIND_COMPONENTS)
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string (TOUPPER ${module} MODULE)
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set (SuiteSparse_${MODULE}_FOUND TRUE)
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foreach (file IN LISTS ${MODULE}_INCLUDE_DIRS ${MODULE}_LIBRARIES)
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if (NOT EXISTS ${file})
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set (SuiteSparse_${MODULE}_FOUND FALSE)
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endif (NOT EXISTS ${file})
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endforeach (file)
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if (NOT SuiteSparse_${MODULE}_FOUND)
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set (SuiteSparse_FOUND FALSE)
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# use empty string instead of zero, so it can be tested with #ifdef
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# as well as #if in the source code
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set (HAVE_SUITESPARSE_${MODULE}_H "" CACHE INT "Is ${module} header present?")
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else (NOT SuiteSparse_${MODULE}_FOUND)
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set (HAVE_SUITESPARSE_${MODULE}_H 1 CACHE INT "Is ${module} header present?")
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list (APPEND SuiteSparse_LIBRARIES "${${MODULE}_LIBRARIES}")
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list (APPEND SuiteSparse_LINKER_FLAGS "${${MODULE}_LINKER_FLAGS}")
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list (APPEND SuiteSparse_INCLUDE_DIRS "${${MODULE}_INCLUDE_DIRS}")
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endif (NOT SuiteSparse_${MODULE}_FOUND)
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mark_as_advanced (HAVE_SUITESPARSE_${MODULE}_H)
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mark_as_advanced (${MODULE}_INCLUDE_DIR)
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mark_as_advanced (${MODULE}_LIBRARY)
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endforeach (module)
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if (SuiteSparse_INCLUDE_DIRS)
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list (REMOVE_DUPLICATES SuiteSparse_INCLUDE_DIRS)
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endif (SuiteSparse_INCLUDE_DIRS)
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if (SuiteSparse_LIBRARIES)
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list (REVERSE SuiteSparse_LIBRARIES)
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list (REMOVE_DUPLICATES SuiteSparse_LIBRARIES)
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list (REVERSE SuiteSparse_LIBRARIES)
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endif (SuiteSparse_LIBRARIES)
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# print a message to indicate status of this package
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include (FindPackageHandleStandardArgs)
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find_package_handle_standard_args (SuiteSparse
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DEFAULT_MSG
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SuiteSparse_LIBRARIES
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SuiteSparse_INCLUDE_DIRS
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)
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# add these after checking to not pollute the message output (checking for
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# BLAS and LAPACK is REQUIRED so if they are not found, we'll have failed
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# already; suitesparseconfig is "optional" anyway)
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list (APPEND SuiteSparse_LIBRARIES ${SuiteSparse_EXTRA_LIBS})
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