diff --git a/pkgs/development/libraries/lesstif-0.93/c-bad_integer_cast.patch b/pkgs/development/libraries/lesstif-0.93/c-bad_integer_cast.patch
new file mode 100644
index 000000000000..620d702f0f03
--- /dev/null
+++ b/pkgs/development/libraries/lesstif-0.93/c-bad_integer_cast.patch
@@ -0,0 +1,13 @@
+--- lesstif2-0.94.4.orig/include/Motif-2.1/XmI/XpmI.h
++++ lesstif2-0.94.4/include/Motif-2.1/XmI/XpmI.h
+@@ -217,8 +217,8 @@
+ FUNC(xpmHashSlot, xpmHashAtom *, (xpmHashTable *table, char *s));
+ FUNC(xpmHashIntern, int, (xpmHashTable *table, char *tag, void *data));
+ 
+-#define HashAtomData(i) ((void *)i)
+-#define HashColorIndex(slot) ((unsigned int)((*slot)->data))
++#define HashAtomData(i) ((void *)(uintptr_t)i)
++#define HashColorIndex(slot) ((uintptr_t)((*slot)->data))
+ #define USE_HASHTABLE (cpp > 2 && ncolors > 4)
+ 
+ /* I/O utility */
diff --git a/pkgs/development/libraries/lesstif-0.93/c-render_table_crash.patch b/pkgs/development/libraries/lesstif-0.93/c-render_table_crash.patch
new file mode 100644
index 000000000000..1699dbe19084
--- /dev/null
+++ b/pkgs/development/libraries/lesstif-0.93/c-render_table_crash.patch
@@ -0,0 +1,11 @@
+--- lesstif2-0.95.0.orig/lib/Xm-2.1/RenderTable.c
++++ lesstif2-0.95.0/lib/Xm-2.1/RenderTable.c
+@@ -465,7 +465,7 @@
+ 	DEBUGOUT(_LtDebug(__FILE__, w, "_XmRenderTableFinaliseTag(%s)\n", tag));
+ #if 1
+ 	/* Experimental start */
+-	if (r->dpy == 0)
++	if (r->dpy == 0  &&  w)
+ 		r->dpy = XtDisplay(w);
+ 	/* Experimental end */
+ #endif
diff --git a/pkgs/development/libraries/lesstif-0.93/c-xim_chained_list_crash.patch b/pkgs/development/libraries/lesstif-0.93/c-xim_chained_list_crash.patch
new file mode 100644
index 000000000000..10bdf8d0b973
--- /dev/null
+++ b/pkgs/development/libraries/lesstif-0.93/c-xim_chained_list_crash.patch
@@ -0,0 +1,24 @@
+diff -ru lesstif2-0.94.4-old/lib/Xm-2.1/XmIm.c lesstif2-0.94.4/lib/Xm-2.1/XmIm.c
+--- lesstif2-0.94.4-old/lib/Xm-2.1/XmIm.c	2004-10-20 21:32:11.000000000 +0200
++++ lesstif2-0.94.4/lib/Xm-2.1/XmIm.c	2007-03-28 14:39:27.000000000 +0200
+@@ -133,7 +133,10 @@
+ 		p->next = q->next;
+ 	}
+ 
+-	XtFree((char *)stuff);
++	/* if count!=0 then someone uses the stuff as orig_xim
++	   so unlink it but not free it */
++	if (!stuff->count)
++		XtFree((char *)stuff);
+ }
+ 
+ /*
+@@ -1060,6 +1063,8 @@
+ 		   XCloseIM(stuff->xim);
+ 		DEBUGOUT(_LtDebug(__FILE__, w, "XCloseIM(%p)\n", stuff->xim));
+ 		stuff->orig_xim->xim = NULL;
++		/* stuff->orig_xim is now useless */
++		XtFree(stuff->orig_xim);
+ 	} else {
+ 		DEBUGOUT(_LtDebug(__FILE__, w, "XmImCloseXIM(%p), count -> %d\n",
+ 			stuff->xim, stuff->orig_xim->count));
diff --git a/pkgs/development/libraries/lesstif-0.93/default.nix b/pkgs/development/libraries/lesstif-0.93/default.nix
new file mode 100644
index 000000000000..3e452cf81c4a
--- /dev/null
+++ b/pkgs/development/libraries/lesstif-0.93/default.nix
@@ -0,0 +1,24 @@
+args: with args ;
+
+
+stdenv.mkDerivation {
+  name = "lesstif-0.93.94";
+  src = fetchurl {
+    url = http://prdownloads.sourceforge.net/lesstif/lesstif-0.93.94.tar.bz2;
+    sha256 = "0v4l46ill6dhhswsw1hk6rqyng98d85nsr214vhd2k0mfajpig1y";
+  };
+  buildInputs = [x11];
+  propagatedBuildInputs = [libXp libXau];
+
+  # This is an older release of lesstif which works with arb.
+  #
+  patches = [
+    ./c-bad_integer_cast.patch    
+    ./c-xim_chained_list_crash.patch
+    ./c-render_table_crash.patch 
+    ./stdint.patch
+    ];
+  meta = {
+    priority = "5";
+  };
+}
diff --git a/pkgs/development/libraries/lesstif-0.93/stdint.patch b/pkgs/development/libraries/lesstif-0.93/stdint.patch
new file mode 100644
index 000000000000..8b202704abdb
--- /dev/null
+++ b/pkgs/development/libraries/lesstif-0.93/stdint.patch
@@ -0,0 +1,11 @@
+diff -r 97ac365bfcd6 lesstif-0.93.94/lib/Xm-2.1/Xpm.c
+--- lesstif-0.93.94/lib/Xm-2.1/Xpm.c	Mon Oct 06 15:52:50 2008 +0200
++++ lesstif-0.93.94/lib/Xm-2.1/Xpm.c	Mon Oct 06 15:53:16 2008 +0200
+@@ -54,6 +54,7 @@
+ #include <io.h>
+ #endif
+ 
++#include <stdint.h>
+ #include <X11/Intrinsic.h> /* Avoid re-definition of Pixel-type */
+ 
+ #include <Xm/XpmP.h>
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e5e4bab3ea49..2d14cd4fc601 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3008,6 +3008,11 @@ let
     inherit (xlibs) libXp libXau;
   };
 
+  lesstif93 = import ../development/libraries/lesstif-0.93 {
+    inherit fetchurl stdenv x11;
+    inherit (xlibs) libXp libXau;
+  };
+
   lib3ds = import ../development/libraries/lib3ds {
     inherit fetchurl stdenv unzip;
   };
@@ -7346,10 +7351,10 @@ let
   ### SCIENCE/BIOLOGY
 
   arb = import ../applications/science/biology/arb {
-    inherit fetchurl stdenv readline libpng zlib x11 lesstif freeglut perl;
+    inherit fetchurl stdenv readline libpng zlib x11 lesstif93 freeglut perl;
     inherit (xlibs) libXpm libXaw libX11 libXext libXt;
-    # motif = lesstif;
     inherit mesa glew libtiff lynx rxp sablotron jdk xfig transfig gv gnuplot;
+    lesstif = lesstif93;
   };
 
   biolib = import ../development/libraries/science/biology/biolib {