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Resolve build error when scalapack isn't installed #228

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Merged
mgates3 merged 5 commits into from
Aug 27, 2026
Merged

Resolve build error when scalapack isn't installed #228

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ad52833
Resolve build error when sealapack isn't installed
axiomwang Jul 23, 2026
2b87207
refine the logic of finding ScaLapack
axiomwang Jul 28, 2026
861ca96
minor changes
axiomwang Aug 4, 2026
926df1f
Potential fix for pull request finding
axiomwang Aug 5, 2026
0f5a086
Remove CMAKE_EXPORT_COMPILE_COMMANDS setting
axiomwang Aug 6, 2026
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38 changes: 37 additions & 1 deletion test/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,43 @@ if (NOT DEFINED SCALAPACK_LIBRARIES)
set( SCALAPACK_LIBRARIES "mkl_scalapack_${int_};mkl_blacs_openmpi_${int_}" )
endif()
else()
set( SCALAPACK_LIBRARIES "scalapack" )
# Try to find ScaLAPACK on the local machine.
# First try find_package (some distributions provide a
# FindScaLAPACK.cmake or ScaLAPACKConfig.cmake).
find_package( ScaLAPACK QUIET )
if (SCALAPACK_FOUND)
if (TARGET ScaLAPACK::ScaLAPACK)
set( SCALAPACK_LIBRARIES ScaLAPACK::ScaLAPACK )
else()
set( SCALAPACK_LIBRARIES ${SCALAPACK_LIBRARIES} )
endif()
else()
# Fall back to find_library for scalapack.
find_library( SCALAPACK_LIBRARY
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NAMES scalapack scalapack-openmpi scalapack-mpich
HINTS ${SCALAPACK_ROOT} $ENV{SCALAPACK_ROOT}
PATH_SUFFIXES lib lib64
)
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if (SCALAPACK_LIBRARY)
set( SCALAPACK_LIBRARIES ${SCALAPACK_LIBRARY} )
# Also look for BLACS library, which may be separate on
# some systems (e.g., older ScaLAPACK or custom builds).
get_filename_component( _scalapack_dir ${SCALAPACK_LIBRARY} DIRECTORY )
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find_library( BLACS_LIBRARY
NAMES blacs blacs-openmpi blacs-mpich blacsCinit
HINTS ${_scalapack_dir}
NO_DEFAULT_PATH
)
if (BLACS_LIBRARY)
list( APPEND SCALAPACK_LIBRARIES ${BLACS_LIBRARY} )
endif()
unset( _scalapack_dir )
unset( BLACS_LIBRARY )
else()
set( SCALAPACK_LIBRARIES "none" )
endif()
unset( SCALAPACK_LIBRARY CACHE )
endif()
endif()
endif()
if (SCALAPACK_LIBRARIES STREQUAL "none")
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