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PETSC_ROOT now sets NO_DEFAULT_PATH

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Allows a specific PETSC_ROOT to override and replace default search paths. Now,
if PETSC_ROOT is passed and the find_library calls cannot find the libraries,
the makefile will only search in user provided directories.
This commit is contained in:
Jørgen Kvalsvik 2014-09-19 11:40:20 +02:00 committed by Atgeirr Flø Rasmussen
parent a76363a7f7
commit 4a2adec53a
1 changed files with 14 additions and 4 deletions
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18
cmake/Modules/FindPetsc.cmake
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@ -20,6 +20,13 @@ if (CMAKE_SIZEOF_VOID_P)
math (EXPR _BITS "8 * ${CMAKE_SIZEOF_VOID_P}")
endif (CMAKE_SIZEOF_VOID_P)
# if PETSC_ROOT is set, then this is the only place searched for petsc headers
# and includes
set(_no_default_path "")
if(PETSC_ROOT)
set (_no_default_path "NO_DEFAULT_PATH")
endif()
# look for a system-wide BLAS library
find_package(BLAS QUIET)
set(PETSC_BLAS_LIBRARY "")
@ -30,7 +37,7 @@ elseif(PETSC_ROOT)
NAME "blas"
PATH ${PETSC_ROOT}
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
NO_DEFAULT_PATH)
${_no_default_path} )
endif()
# print message if there was still no blas found!
if(NOT BLAS_FOUND AND NOT PETSC_BLAS_LIBRARY)
@ -48,7 +55,7 @@ elseif(PETSC_ROOT)
NAME "lapack"
PATH ${PETSC_ROOT}
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
NO_DEFAULT_PATH)
${_no_default_path})
endif()
# print message if there was still no blas found!
if(NOT LAPACK_FOUND AND NOT PETSC_LAPACK_LIBRARY)
@ -66,11 +73,13 @@ list(APPEND CMAKE_REQUIRED_LIBRARIES "${PETSC_X11_LIBRARY}")
if (Petsc_ROOT)
set (PETSC_ROOT "${Petsc_ROOT}")
endif (Petsc_ROOT)
if (NOT PETSC_NORMAL_INCLUDE_DIR)
find_path (PETSC_NORMAL_INCLUDE_DIR
NAMES "petsc.h"
PATHS ${PETSC_ROOT}
PATH_SUFFIXES "petsc-3.4.4" "include" "petsc"
${_no_default_path}
)
endif (NOT PETSC_NORMAL_INCLUDE_DIR)
@ -93,10 +102,10 @@ if (NOT PETSC_MPI_INCLUDE_DIRS)
NAMES "mpi.h"
PATHS ${PETSC_ROOT}/include
PATH_SUFFIXES "mpiuni"
${_no_default_path}
)
if(PETSC_MPI_INCLUDE_DIRS)
# not setting special linkage
set(PETSC_MPI_FOUND 1)
endif(PETSC_MPI_INCLUDE_DIRS)
@ -104,7 +113,7 @@ 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. Is PETSC_ROOT set?")
message(STATUS "Could not find any suitable MPI implementation.")
return()
endif()
@ -114,6 +123,7 @@ if (NOT PETSC_LIBRARY)
NAMES "petsc-3.4.3" "petsc-3.4.4" "petsc"
PATHS ${PETSC_ROOT}
PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
${_no_default_path}
)
endif()
if(NOT PETSC_LIBRARY)