https://sources.debian.org/patches/mtink/1.0.16-11/lesstif-multiarch/
--- a/Configure
+++ b/Configure
@@ -127,6 +127,8 @@
 /usr/openwin/lib
 /usr/local/lib
 /usr/dt/lib'
+LIBDIRS="$LIBDIRS `${CC-gcc} -print-search-dirs 2>/dev/null |
+                   awk '/^libraries:/{print $2}' | tr ':' ' '`"
 
 # Add gimp-2.0 for fedora core 2
 INCLDIRS='/usr/include/gimp-2.0/libgimp
@@ -279,11 +281,6 @@
       exit 1
    fi
 
-   case $OS in
-      Linux) . ./checkMotifVersion.sh;;
-      Darwin) . ./checkMotifVersion.sh;;
-   esac
-
    if [ "$MotifLib" != "" ]
    then
       mlCmd="s@^MOLIB.*@MOLIB = $MotifLib@"
@@ -297,24 +294,6 @@
       miCmd=
    fi
 
-   # Check for the Xp libary, some Motif libraries need this
-
-   xplibFound=0
-   for dir in $LIBDIRS
-   do
-      if [ "`ls -c $dir/libXp.* 2>/dev/null`" != "" ]
-      then
-         xplibFound=1
-         break
-      fi
-   done
-
-   # but not for Solaris
-   if [ `uname` = SunOS ]
-   then
-      xplibFound=0
-   fi
-
    # Gimp part ################################################
    # check for gimp
    includeFileFound=0