dnl Functions for locating motif are taken from Lesstif distribution

AC_DEFUN([AC_PATH_MOTIF_DIRECT],
[test -z "$motif_direct_test_library" && motif_direct_test_library=Xm
test -z "$motif_direct_test_function" && motif_direct_test_function=XmCreatePushButton
test -z "$motif_direct_test_include" && motif_direct_test_include=Xm/Xm.h
  for ac_dir in               \
    /usr/include/Motif1.2     \
    /usr/Motif1.2/include     \
                              \
    /usr/X11R6/include        \
    /usr/X11R5/include        \
                              \
    /usr/include/X11R6        \
    /usr/include/X11R5        \
                              \
    /usr/local/X11R6/include  \
    /usr/local/X11R5/include  \
                              \
    /usr/local/include/X11R6  \
    /usr/local/include/X11R5  \
                              \
    /usr/X11/include          \
    /usr/include/X11          \
    /usr/local/X11/include    \
    /usr/local/include/X11    \
                              \
    /usr/X386/include         \
    /usr/x386/include         \
    /usr/XFree86/include/X11  \
                              \
    /usr/dt/include           \
                              \
    /usr/include              \
    /usr/local/include        \
    /usr/unsupported/include  \
    /usr/athena/include       \
    /usr/local/x11r5/include  \
    /usr/lpp/Xamples/include  \
    ; \
  do
    if test -r "$ac_dir/$motif_direct_test_include"; then
      no_motif= ac_motif_includes=$ac_dir
      break
    fi
  done

# Check for the libraries.
# See if we find them without any special options.
# Don't add to $LIBS permanently.
#ac_save_LIBS="$LIBS"
#LIBS="-l$motif_direct_test_library $LIBS"
# First see if replacing the include by lib works.
for ac_dir in `echo "$ac_motif_includes" | sed s/include/lib/` \
    /usr/lib/Motif1.2     \
    /usr/Motif1.2/lib     \
                          \
    /usr/X11R6/lib        \
    /usr/X11R5/lib        \
                          \
    /usr/lib/X11R6        \
    /usr/lib/X11R5        \
                          \
    /usr/local/X11R6/lib  \
    /usr/local/X11R5/lib  \
                          \
    /usr/local/lib/X11R6  \
    /usr/local/lib/X11R5  \
                          \
    /usr/X11/lib          \
    /usr/lib/X11          \
    /usr/local/X11/lib    \
                          \
    /usr/X386/lib         \
    /usr/x386/lib         \
    /usr/XFree86/lib/X11  \
                          \
    /usr/lib              \
    /usr/local/lib        \
    /usr/unsupported/lib  \
    /usr/athena/lib       \
    /usr/local/x11r5/lib  \
    /usr/lpp/Xamples/lib  \
    ; \
do
  for ac_extension in a so sl; do
    if test -r $ac_dir/lib${motif_direct_test_library}.$ac_extension; then
      no_motif= ac_motif_libraries=$ac_dir
      break 2
    fi
  done
done])

AC_DEFUN([AC_PATH_MOTIF],
[AC_REQUIRE_CPP()dnl

motif_includes=NONE
motif_libraries=NONE

AC_MSG_CHECKING(for Motif)
if test "x$with_motif" = xno; then
  no_motif=yes
else
  if test "x$motif_includes" != xNONE && test "x$motif_libraries" != xNONE; then
    no_motif=
  else
AC_CACHE_VAL(ac_cv_path_motif,
[# One or both of these vars are not set, and there is no cached value.
no_motif=yes
AC_PATH_MOTIF_DIRECT

if test "$no_motif" = yes; then
  ac_cv_path_motif="no_motif=yes"
else
  ac_cv_path_motif="no_motif= ac_motif_includes=$ac_motif_includes ac_motif_libraries=$ac_motif_libraries"
fi])dnl
  fi
  eval "$ac_cv_path_motif"
fi # with_motif != no

if test "$no_motif" = yes; then
  AC_MSG_RESULT(no)
else
  test "x$motif_includes" = xNONE && motif_includes=$ac_motif_includes
  test "x$motif_libraries" = xNONE && motif_libraries=$ac_motif_libraries
  ac_cv_path_motif="no_motif= ac_motif_includes=$motif_includes ac_motif_libraries=$motif_libraries"
  AC_MSG_RESULT([libraries $motif_libraries, headers $motif_includes])
fi
])