Commit 7af2dedc authored by Brad King's avatar Brad King Committed by Kitware Robot

Merge topic 'implicit_lapack_library'

68dcbeee FindLAPACK: Test for implicitly linked LAPACK libraries
Acked-by: Kitware Robot's avatarKitware Robot <kwrobot@kitware.com>
Merge-request: !3451
parents 1b5a7adf 68dcbeee
......@@ -173,11 +173,15 @@ if(_libraries_work)
#message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
endif()
if(_libraries_work)
set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
else()
set(${LIBRARIES} FALSE)
endif()
if(_libraries_work)
if("${_list}" STREQUAL "")
set(${LIBRARIES} "${LIBRARIES}-PLACEHOLDER-FOR-EMPTY-LIBRARIES")
else()
set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
endif()
else()
set(${LIBRARIES} FALSE)
endif()
endmacro()
......@@ -206,6 +210,7 @@ if(BLAS_FOUND)
#intel lapack
if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
if(NOT LAPACK_LIBRARIES)
if (NOT WIN32)
set(LAPACK_mkl_LM "-lm")
set(LAPACK_mkl_LDL "-ldl")
......@@ -280,6 +285,7 @@ if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
unset(LAPACK_mkl_LM)
unset(LAPACK_mkl_LDL)
endif ()
endif()
endif()
if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
......@@ -426,5 +432,11 @@ else()
endif()
endif()
# On compilers that implicitly link LAPACK (such as ftn, cc, and CC on Cray HPC machines)
# we used a placeholder for empty LAPACK_LIBRARIES to get through our logic above.
if (LAPACK_LIBRARIES STREQUAL "LAPACK_LIBRARIES-PLACEHOLDER-FOR-EMPTY-LIBRARIES")
set(LAPACK_LIBRARIES "")
endif()
cmake_pop_check_state()
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
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