openpbs/m4/with_hwloc.m4

#
# Copyright (C) 1994-2018 Altair Engineering, Inc.
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AC_DEFUN([PBS_AC_WITH_HWLOC],
[
  AC_ARG_WITH([hwloc],
    AS_HELP_STRING([--with-hwloc=DIR],
      [Specify the directory where hwloc is installed.]
    )
  )
  AS_IF([test "x$with_hwloc" != "x"],
    hwloc_dir=["$with_hwloc"],
    hwloc_dir=["/usr"]
  )
  AC_MSG_CHECKING([for hwloc])
  [hwloc_flags=""]
  [hwloc_inc=""]
  [hwloc_lib=""]
  AS_IF([test -r "$hwloc_dir/include/hwloc.h"],
    AS_IF([test "$hwloc_dir" != "/usr"],
      [hwloc_inc="-I$hwloc_dir/include"]),
      AC_MSG_ERROR([hwloc headers not found.])
  )
  AS_IF([test "$hwloc_dir" = "/usr"],
    # Using system installed hwloc
    AS_IF([test -r "/usr/lib64/libhwloc.so" -o -r "/usr/lib/libhwloc.so" -o -r "/usr/lib/x86_64-linux-gnu/libhwloc.so"],
      [hwloc_lib="-lhwloc"],
      AC_MSG_ERROR([hwloc shared object library not found.])
    ),
    # Using developer installed hwloc
    AS_IF([test -r "${hwloc_dir}/lib64/libhwloc_embedded.a"],
      [hwloc_lib="${hwloc_dir}/lib64/libhwloc_embedded.a"],
      AS_IF([test -r "${hwloc_dir}/lib/libhwloc_embedded.a"],
        [hwloc_lib="${hwloc_dir}/lib/libhwloc_embedded.a"],
        AC_MSG_ERROR([hwloc library not found.])
      )
    )
  )
  AC_MSG_RESULT([$hwloc_dir])
  AS_CASE([x$target_os],
    [xlinux*],
      AC_CHECK_LIB([numa], [mbind], [hwloc_lib="$hwloc_lib -lnuma"])
      AC_CHECK_LIB([udev], [udev_new], [hwloc_lib="$hwloc_lib -ludev"])
      AC_CHECK_LIB([pciaccess], [pci_system_init], [hwloc_lib="$hwloc_lib -lpciaccess"])
  )
  AC_SUBST(hwloc_flags)
  AC_SUBST(hwloc_inc)
  AC_SUBST(hwloc_lib)
  AC_DEFINE([HWLOC], [], [Defined when hwloc is available])
])