molmol @2k.2.0: library not found for -lXpm

[delfs@…]

Darwin spanner.anu.edu.au 10.5.0 Darwin Kernel Version 10.5.0: Fri Nov  5 23:20:39 PDT 2010; root:xnu-1504.9.17~1/RELEASE_I386 i386

Model Name: MacBook Pro
      Model Identifier: MacBookPro1,1
      Processor Name: Intel Core Duo

System Version: Mac OS X 10.6.5 (10H574)
      Kernel Version: Darwin 10.5.0

It seems to me that molmol is missing a dependency that will install libXpm The relevant part of the log file is

:info:build gcc  -o molmol -I../../tools/include -I../../sg/include -I../../include -DMAXINT=INT_MAX -I/opt/local/include -bind_at_load -I../.. -O -bind_at_load -Wall MolMol.o MolInit.o ../../lib/libcip.a ../../lib/libcmd.a ../../lib/libui.a ../../lib/libgraph.a ../../lib/libio.a ../../lib/libpu.a ../../lib/libcalc.a ../../lib/libprim.a ../../lib/libdata.a ../../lib/libattr.a ../../lib/libfileio.a ../../lib/libos.a ../../sg/lib/libsg.a ../../tools/lib/libtools.a /opt/local/lib/libtiff.3.dylib /opt/local/lib/libjpeg.dylib /opt/local/lib/libpng.dylib /usr/lib/libz.dylib -L/usr/lib -L/opt/local/lib -lX11 -lXm -lGLU -lGL /System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib /opt/local/lib/libGLw.dylib -lXmu -lXt -lXp -lXpm -lX11 -lXext -lSM -lICE -lm -lc -lmx
:info:build ld: library not found for -lXpm
:info:build collect2: ld returned 1 exit status