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Merge pull request #1 from jorgekva/linsolver_petsc

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Improvements to FindPetsc.cmake module
This commit is contained in:
Liu Ming 2014-09-22 09:48:29 +08:00
commit ad7b064556
1 changed files with 84 additions and 59 deletions
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143
cmake/Modules/FindPetsc.cmake
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@ -20,36 +20,46 @@ if (CMAKE_SIZEOF_VOID_P)
math (EXPR _BITS "8 * ${CMAKE_SIZEOF_VOID_P}") math (EXPR _BITS "8 * ${CMAKE_SIZEOF_VOID_P}")
endif (CMAKE_SIZEOF_VOID_P) endif (CMAKE_SIZEOF_VOID_P)
# look for a system-wide BLAS library # if PETSC_ROOT is set, then this is the only place searched for petsc headers
find_package(BLAS QUIET) # and includes
set(PETSC_BLAS_LIBRARY "") set(_no_default_path "")
if (BLAS_FOUND) if(PETSC_ROOT)
list(APPEND PETSC_BLAS_LIBRARY "${BLAS_LIBRARIES}") set (_no_default_path "NO_DEFAULT_PATH")
elseif(PETSC_ROOT)
find_library(PETST_BLAS_LIBRARY
NAME "blas"
PATH ${PETSC_ROOT}
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
NO_DEFAULT_PATH)
endif() endif()
# look for a system-wide BLAS library
set(PETSC_BLAS_LIBRARY "")
find_package(BLAS QUIET)
list(APPEND PETSC_BLAS_LIBRARY "${BLAS_LIBRARIES}")
# if BLAS wasn't found, look for it in PETSC_ROOT. Won't search if
# PETSC_BLAS_LIBRARY is set.
find_library(PETSC_BLAS_LIBRARY
NAME "blas"
PATH ${PETSC_ROOT}
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
${_no_default_path}
)
# print message if there was still no blas found! # print message if there was still no blas found!
if(NOT BLAS_FOUND AND NOT PETSC_BLAS_LIBRARY) if(NOT BLAS_FOUND AND NOT PETSC_BLAS_LIBRARY)
message(STATUS "BLAS not found but required for PETSC") message(STATUS "BLAS not found but required for PETSC")
return() return()
endif() endif()
list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_BLAS_LIBRARY}") list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_BLAS_LIBRARY}")
find_package(LAPACK QUIET)
set(PETSC_LAPACK_LIBRARY "") set(PETSC_LAPACK_LIBRARY "")
if (LAPACK_FOUND) find_package(LAPACK QUIET)
list(APPEND PETSC_LAPACK_LIBRARY "${LAPACK_LIBRARIES}") list(APPEND PETSC_LAPACK_LIBRARY "${LAPACK_LIBRARIES}")
elseif(PETSC_ROOT)
find_library(PETST_LAPACK_LIBRARY # if LAPACK wasn't found, look for it in PETSC_ROOT
NAME "lapack" find_library(PETSC_LAPACK_LIBRARY
PATH ${PETSC_ROOT} NAME "lapack"
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}" PATH ${PETSC_ROOT}
NO_DEFAULT_PATH) PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
endif() ${_no_default_path}
)
# print message if there was still no blas found! # print message if there was still no blas found!
if(NOT LAPACK_FOUND AND NOT PETSC_LAPACK_LIBRARY) if(NOT LAPACK_FOUND AND NOT PETSC_LAPACK_LIBRARY)
message(STATUS "LAPACK not found but required for PETSC") message(STATUS "LAPACK not found but required for PETSC")
@ -62,47 +72,70 @@ if (X11_FOUND)
list(APPEND PETSC_X11_LIBRARY "${X11_LIBRARIES}") list(APPEND PETSC_X11_LIBRARY "${X11_LIBRARIES}")
endif() endif()
list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_X11_LIBRARY}") list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_X11_LIBRARY}")
# only probe if we haven't a path in our cache # only probe if we haven't a path in our cache
if (Petsc_ROOT) if (Petsc_ROOT)
set (PETSC_ROOT "${Petsc_ROOT}") set (PETSC_ROOT "${Petsc_ROOT}")
endif (Petsc_ROOT) endif (Petsc_ROOT)
if (NOT PETSC_NORMAL_INCLUDE_DIR)
if (PETSC_ROOT) find_path (PETSC_NORMAL_INCLUDE_DIR
find_path (PETSC_NORMAL_INCLUDE_DIR NAMES "petsc.h"
NAMES "petsc.h" PATHS ${PETSC_ROOT}
PATHS ${PETSC_ROOT} PATH_SUFFIXES "petsc-3.4.4" "include" "petsc"
PATH_SUFFIXES "petsc-3.4.4" "include" ${_no_default_path}
NO_DEFAULT_PATH )
)
endif (PETSC_ROOT) # if parallel computing is explicitly enabled - reuse the paths and links from
endif (NOT PETSC_NORMAL_INCLUDE_DIR) # OpmMainLib + OpmFind
if (NOT PETSC_MPIUNI_INCLUDE_DIR) # this needs to be called explicitly as FindPetsc runs before OpmMainLib starts
if (PETSC_ROOT) # looking for MPI (for some reason). Ideally this isn't necessary
find_path (PETSC_MPIUNI_INCLUDE_DIR if(USE_MPI)
NAMES "mpi.h" find_package(MPI)
PATHS ${PETSC_ROOT}/include endif()
PATH_SUFFIXES "mpiuni"
NO_DEFAULT_PATH set(PETSC_MPI_FOUND ${MPI_FOUND})
) set(PETSC_MPI_INCLUDE_DIRS ${MPI_INCLUDE_PATH})
endif (PETSC_ROOT) set(PETSC_MPI_LIBRARIES ${MPI_LIBRARIES})
endif (NOT PETSC_MPIUNI_INCLUDE_DIR)
# fallback - use the petsc provided implementation of serial MPI.
if (NOT PETSC_MPI_INCLUDE_DIRS)
message(STATUS "Building without MPI support - looking for PETSc provided serial implementation")
find_path (PETSC_MPI_INCLUDE_DIRS
NAMES "mpi.h"
PATHS ${PETSC_ROOT}/include
PATH_SUFFIXES "mpiuni"
${_no_default_path}
)
if(PETSC_MPI_INCLUDE_DIRS)
set(PETSC_MPI_FOUND 1)
endif(PETSC_MPI_INCLUDE_DIRS)
endif(NOT PETSC_MPI_INCLUDE_DIRS)
# couldn't find any usable mpi implementation - abort
if(NOT PETSC_MPI_FOUND)
message(STATUS "Could not find any suitable MPI implementation.")
return()
endif()
# look for actual Petsc library # look for actual Petsc library
if (NOT PETSC_LIBRARY) find_library(PETSC_LIBRARY
find_library(PETSC_LIBRARY
NAMES "petsc-3.4.3" "petsc-3.4.4" "petsc" NAMES "petsc-3.4.3" "petsc-3.4.4" "petsc"
PATHS ${PETSC_ROOT} PATHS ${PETSC_ROOT}
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}" PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
NO_DEFAULT_PATH ${_no_default_path}
) )
endif()
if(NOT PETSC_LIBRARY) if(NOT PETSC_LIBRARY)
message(STATUS "Directory with the SuperLU library not found") message(STATUS "Could not find the PETSc library")
return() return()
endif() endif()
list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_LIBRARY}")
if (PETSC_MPIUNI_INCLUDE_DIR AND PETSC_NORMAL_INCLUDE_DIR) list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_LIBRARY}" "${PETSC_MPI_LIBRARIES}")
list (APPEND PETSC_INCLUDE_DIR ${PETSC_MPIUNI_INCLUDE_DIR} ${PETSC_NORMAL_INCLUDE_DIR})
if (PETSC_MPI_INCLUDE_DIRS AND PETSC_NORMAL_INCLUDE_DIR)
list (APPEND PETSC_INCLUDE_DIR ${PETSC_MPI_INCLUDE_DIRS} ${PETSC_NORMAL_INCLUDE_DIR})
endif() endif()
include(FindPackageHandleStandardArgs) include(FindPackageHandleStandardArgs)
@ -111,18 +144,10 @@ mark_as_advanced(PETSC_INCLUDE_DIR PETSC_LIBRARY)
# if both headers and library are found, store results # if both headers and library are found, store results
if(PETSC_FOUND) if(PETSC_FOUND)
set(PETSC_INCLUDE_DIRS ${PETSC_INCLUDE_DIR}) set(PETSC_INCLUDE_DIRS ${PETSC_INCLUDE_DIR})
set(PETSC_LIBRARIES ${PETSC_LIBRARY})
set(PETSC_LIBRARIES ${PETSC_LIBRARY})
if (PETSC_BLAS_LIBRARY)
list(APPEND PETSC_LIBRARIES ${PETSC_BLAS_LIBRARY}) list(APPEND PETSC_LIBRARIES ${PETSC_BLAS_LIBRARY})
endif()
if (PETSC_LAPACK_LIBRARY)
list(APPEND PETSC_LIBRARIES ${PETSC_LAPACK_LIBRARY}) list(APPEND PETSC_LIBRARIES ${PETSC_LAPACK_LIBRARY})
endif()
if (PETSC_X11_LIBRARY)
list(APPEND PETSC_LIBRARIES ${PETSC_X11_LIBRARY}) list(APPEND PETSC_LIBRARIES ${PETSC_X11_LIBRARY})
endif()
endif() endif()