Merge commit 'refs/pull/1950/head' of github.com:lammps/lammps into atc-doc-to-rst

    enable_language(Fortran)

    file(GLOB LAPACK_SOURCES ${LAMMPS_LIB_SOURCE_DIR}/linalg/[^.]*.[fF])

    add_library(linalg STATIC ${LAPACK_SOURCES})

    set(BLAS_LIBRARIES "${CMAKE_BINARY_DIR}/liblinalg.a")

    set(LAPACK_LIBRARIES "${CMAKE_BINARY_DIR}/liblinalg.a")

    set(BLAS_LIBRARIES "$<TARGET_FILE:linalg>")

    set(LAPACK_LIBRARIES "$<TARGET_FILE:linalg>")

  else()

    list(APPEND LAPACK_LIBRARIES ${BLAS_LIBRARIES})

  endif()