#serial 1

dnl The problem is that the default compilation flags in Solaris 2.6 won't
dnl let programs access large files;  you need to tell the compiler that
dnl you actually want your programs to work on large files.  For more
dnl details about this brain damage please see:
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html

dnl Written by Paul Eggert <eggert@twinsun.com>.

AC_DEFUN(AC_LFS,
[dnl
  # If available, prefer support for large files unless the user specified
  # one of the CPPFLAGS, LDFLAGS, or LIBS variables.
  AC_MSG_CHECKING(whether large file support needs explicit enabling)
  ac_getconfs=''
  ac_result=yes
  ac_set=''
  ac_shellvars='CPPFLAGS LDFLAGS LIBS'
  for ac_shellvar in $ac_shellvars; do
    case $ac_shellvar in
      CPPFLAGS) ac_lfsvar=LFS_CFLAGS ;;
      *) ac_lfsvar=LFS_$ac_shellvar ;;
    esac
    eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
    (getconf $ac_lfsvar) >/dev/null 2>&1 || { ac_result=no; break; }
    ac_getconf=`getconf $ac_lfsvar`
    ac_getconfs=$ac_getconfs$ac_getconf
    eval ac_test_$ac_shellvar=\$ac_getconf
  done
  case "$ac_result$ac_getconfs" in
    yes) ac_result=no ;;
  esac
  case "$ac_result$ac_set" in
    yes?*) ac_result="yes, but $ac_set is already set, so use its settings"
  esac
  AC_MSG_RESULT($ac_result)
  case $ac_result in
    yes)
      for ac_shellvar in $ac_shellvars; do
	eval $ac_shellvar=\$ac_test_$ac_shellvar
      done ;;
  esac
])