"-Wno-long-double" linking error

From: David Tanner (guacamoleo_at_gmail.com)
Date: Wed Dec 09 2009 - 14:24:14 CST

I am trying to compile namd with a few of my own files (for implicit
solvent). I have recently been able to successfully compile and run
namd with my IS files. Now, I have a linking error, shown below. I
tried to commend out any changes I made to the namd source, but this
linking error persists.

I have tried to eliminate "-Wno-long-double" by deleting it from all
make files (Makefile, Make.config, Make.charm, Make.depends) but the
compiler option is still there. I am struggling to fix this problem on
my own because I don't know what the compiler is trying to do here. Is
charmc the charm compiler? and what is moduleinit80148.C that is
trying to compile?

Adding file obj/FileIO.o...
Adding file obj/dcdplugin.o...
Adding file obj/jsplugin.o...
Adding file obj/pdbplugin.o...
Adding file obj/psfplugin.o...
charmc> ----------- Module dependency search ------------
charmc> ----------- Module dependency search complete ------------
Adding registration for module NeighborLB
Adding registration for module commlib
charmc: Executing g++ -Wno-long-double -fPIC -dynamic -fno-common -
D__CHARMC__=1 -c moduleinit80148.C -o moduleinit80148.o
cc1plus: error: unrecognized command line option "-Wno-long-double"
Fatal Error by charmc in directory /Users/dtanner/local/src/namd2/
MacOSX-x86-g++
    Command g++ -Wno-long-double -fPIC -dynamic -fno-common -
D__CHARMC__=1 -c moduleinit80148.C -o moduleinit80148.o returned error
code 1
charmc exiting...
rm -f moduleinit80148.C moduleinit80148.o
make: *** [namd2] Error 1

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
David E. Tanner
Theoretical and Computational Biophysics Group
3159 Beckman Institute
University of Illinois at Urbana-Champaign
405 N. Mathews
Urbana, IL 61801
http://www.linkedin.com/in/davidetanner
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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