Elas/FindSuiteSparse.cmake at master · Ric92/Elas · GitHub

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# - Try to find SUITESPARSE
# Once done this will define
#
#  SUITESPARSE_FOUND            - system has SUITESPARSE
#  SUITESPARSE_INCLUDE_DIRS     - the SUITESPARSE include directory
#  SUITESPARSE_LIBRARIES        - Link these to use SUITESPARSE
#  SUITESPARSE_SPQR_LIBRARY     - name of spqr library (necessary due to error in debian package)
#  SUITESPARSE_SPQR_LIBRARY_DIR - name of spqr library (necessary due to error in debian package)
#  SUITESPARSE_LIBRARY_DIR      - Library main directory containing suitesparse libs
#  SUITESPARSE_LIBRARY_DIRS     - all Library directories containing suitesparse libs
#  SUITESPARSE_SPQR_VALID       - automatic identification whether or not spqr package is installed correctly

IF (SUITESPARSE_INCLUDE_DIRS)
  # Already in cache, be silent
  SET(SUITESPARSE_FIND_QUIETLY TRUE)
ENDIF (SUITESPARSE_INCLUDE_DIRS)

if (WIN32)
  # the libraries may have lib prefix
  set(ORIGINAL_CMAKE_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}")
  set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "" "${CMAKE_FIND_LIBRARY_PREFIXES}")
endif ()

FIND_PATH( SUITESPARSE_INCLUDE_DIR cholmod.h
	      PATHS /usr/local/include
	            /usr/include
	            /usr/include/suitesparse/
	            ${CMAKE_SOURCE_DIR}/MacOS/Libs/cholmod
      	      PATH_SUFFIXES cholmod/ CHOLMOD/ )

FIND_PATH( SUITESPARSE_LIBRARY_DIR
          NAMES libcholmod.so libcholmod.a
          PATHS /usr/lib
                /usr/lib64
                /usr/lib/x86_64-linux-gnu
                /usr/lib/i386-linux-gnu
                /usr/local/lib )

   # Add cholmod include directory to collection include directories
   IF ( SUITESPARSE_INCLUDE_DIR )
	list ( APPEND SUITESPARSE_INCLUDE_DIRS ${SUITESPARSE_INCLUDE_DIR} )
   ENDIF( SUITESPARSE_INCLUDE_DIR )

   # if we found the library, add it to the defined libraries
   IF ( SUITESPARSE_LIBRARY_DIR )
		FIND_LIBRARY( SUITESPARSE_AMD_LIBRARY
                     NAMES amd
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
		FIND_LIBRARY( SUITESPARSE_CAMD_LIBRARY
                     NAMES camd
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
		FIND_LIBRARY( SUITESPARSE_CCOLAMD_LIBRARY
                     NAMES ccolamd
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
		FIND_LIBRARY( SUITESPARSE_CHOLMOD_LIBRARY
                     NAMES cholmod
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
		FIND_LIBRARY( SUITESPARSE_COLAMD_LIBRARY
                     NAMES colamd
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
		FIND_LIBRARY( SUITESPARSE_CXSPARSE_LIBRARY
                     NAMES cxsparse
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
    FIND_LIBRARY( SUITESPARSE_SUITESPARSECONFIG_LIBRARY
                   NAMES suitesparseconfig
                   PATHS ${SUITESPARSE_LIBRARY_DIR} )
		IF ( WIN32 )
		  FIND_LIBRARY( SUITESPARSE_BLAS_LIBRARY
                     NAMES blas
                     PATHS ${SUITESPARSE_LIBRARY_DIR}/lapack_blas_windows )
		  FIND_LIBRARY( SUITESPARSE_LAPACK_LIBRARY
                     NAMES lapack
                     PATHS ${SUITESPARSE_LIBRARY_DIR}/lapack_blas_windows )
		ENDIF ()

       list ( APPEND SUITESPARSE_LIBRARIES ${SUITESPARSE_AMD_LIBRARY}
         ${SUITESPARSE_CAMD_LIBRARY}
         ${SUITESPARSE_CCOLAMD_LIBRARY}
         ${SUITESPARSE_CHOLMOD_LIBRARY}
         ${SUITESPARSE_COLAMD_LIBRARY}
         ${SUITESPARSE_CXSPARSE_LIBRARY}
         ${SUITESPARSE_SUITESPARSECONFIG_LIBRARY}
         ${SUITESPARSE_BLAS_LIBRARY}
         ${SUITESPARSE_LAPACK_LIBRARY})

       # Metis and spqr are optional
       FIND_LIBRARY( SUITESPARSE_METIS_LIBRARY
                     NAMES metis
                     PATHS ${SUITESPARSE_LIBRARY_DIR} )
       IF (SUITESPARSE_METIS_LIBRARY)
	     list ( APPEND SUITESPARSE_LIBRARIES ${SUITESPARSE_METIS_LIBRARY})
       ENDIF(SUITESPARSE_METIS_LIBRARY)

       if(EXISTS  "${SUITESPARSE_INCLUDE_DIR}/SuiteSparseQR.hpp")
	     SET(SUITESPARSE_SPQR_VALID TRUE CACHE BOOL "SuiteSparseSPQR valid")
       else()
	     SET(SUITESPARSE_SPQR_VALID false CACHE BOOL "SuiteSparseSPQR valid")
       endif()

       if(SUITESPARSE_SPQR_VALID)
	     FIND_LIBRARY( SUITESPARSE_SPQR_LIBRARY
		      NAMES spqr
		      PATHS ${SUITESPARSE_LIBRARY_DIR} )
	     IF (SUITESPARSE_SPQR_LIBRARY)
	       list ( APPEND SUITESPARSE_LIBRARIES ${SUITESPARSE_SPQR_LIBRARY})
	     ENDIF (SUITESPARSE_SPQR_LIBRARY)
       endif()
    ENDIF( SUITESPARSE_LIBRARY_DIR )

IF (SUITESPARSE_INCLUDE_DIRS AND SUITESPARSE_LIBRARIES)
   SET(SUITESPARSE_FOUND TRUE)
   MESSAGE(STATUS "Found SuiteSparse")
ELSE (SUITESPARSE_INCLUDE_DIRS AND SUITESPARSE_LIBRARIES)
   SET( SUITESPARSE_FOUND FALSE )
   MESSAGE(FATAL_ERROR "Unable to find SuiteSparse")
ENDIF (SUITESPARSE_INCLUDE_DIRS AND SUITESPARSE_LIBRARIES)

if (WIN32)
  set(CMAKE_FIND_LIBRARY_PREFIXES "${ORIGINAL_CMAKE_FIND_LIBRARY_PREFIXES}")
endif ()