[gmx-users] Re: gmx-users] Mopac7 / Gromacs 4.0.4 Issue

[Matthew Lardy]

Gerrit,
First, I realized that it didn't complete my thought about why the
./configure fails. ld is simply unable to find the -lmopac library.  It
seems that I have gotten around that by adding the mopac information into
pkgconfig directory (by way of creating a .pc file and placing it into the
/usr/lib/pkgconfig directory.

Back to the real problem...  So I have turned away from using the intel
compilers, to eliminate that as a variable.  Fortunately I have f2c already
installed, so that isn't a problem.  I modified the LIBS variable in the
Makefile to match your line.  Still I get the same error.

I was hopeful that I would get Mopac to merge with Gromacs, as the Gaussian
merger looked even more painful.  But I think that I am done looking at
getting Mopac in.

Thanks for the suggestion!
Matthew

On Wed, Apr 8, 2009 at 11:45 PM, Gerrit Groenhof <ggroenh at gwdg.de> wrote:

> Hi,
> it should suffice to set the LIBS prior to compiling.
>
> With what compiler was mopac7 compiled?
> I have thus far only been able to compile a working version with f2c/gcc.
>
> Not optimal. Using the intel fortran compiler, I also get a running mopac,
> but the results are not correct and I don't know why.
>
> Anyway, after creating the library, I set LIBS '-lmopac -lf2c -lm', and
> configure creates working makefiles.
>
> Hope this helps.
>
> Gerrit
>
>
> Message: 3
> Date: Wed, 8 Apr 2009 16:24:34 -0700
> From: Matthew Lardy <lardy.ma at gmail.com>
> Subject: [gmx-users] Mopac7 / Gromacs 4.0.4 Issues
> To: gmx-users at gromacs.org
> Message-ID:
>        <12741c010904081624s46a146d3kbf3519f600594f2e at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi all,
> I have been playing with Mopac7 (both version 7 and the more recent Mopac
> 7-1.10 release).  I have compiled both Mopac and
> Gromacs independently without issue.  But when I try to add
> -with-qmmm-mopac
> to my ./configure line, I am unable to compile and link them together.
>
> I have been looking at this for some time, and I have read the posts to
> this
> list.  I have two issues that I think may be related.
>
> First, when I add the -lmopac to the LIBS environment variable, -DUSE_MOPAC
> to CPPFLAGS and -L/(Path to Mopac Libs) to LDFLAGS, I don't make it out of
> the configure alive:
>
> from config.log
> ld: -lmopac
>
> So, I added the lmopac information in to pkgconfig...  Once again no dice
> with ./configure.    So I then reset my environment and stepped through the
> configure.  Now after removing the references to mopac in my environment,
> run the ./configure as I have done so previously, and then add the mopac
> environment variables by hand, I get the following errors:
>
> icc -O3 -tpp6 -axK -ip -w -funroll-all-loops -o grompp grompp.o
> -L/path/to/fftw-3.2.optim-thread/lib -L/vscrn/Packages/MopacOpt/lib
> ./.libs/libgmxpreprocess.a ../mdlib/.libs/libmd.a
> /path/to/gromacs-4.0.4/src/gmxlib/.libs/libgmx.a ../gmxlib/.libs/libgmx.a
> -lnsl /path/to/fftw-3.2.optim-thread/lib/libfftw3f.a -lm -lmopac
> /path/to/MopacOpt/lib/libmopac.a(lread.o)(.text+0x160): In function
> `e_rsle':
> : undefined reference to `__ctype_b'
> /path/to/MopacOpt/lib/libmopac.a(lread.o)(.text+0x21f): In function
> `e_rsle':
> : undefined reference to `__ctype_b'
> /path/to/MopacOpt/lib/libmopac.a(lread.o)(.text+0x296): In function
> `e_rsle':
> : undefined reference to `__ctype_b'
> /path/to/MopacOpt/lib/libmopac.a(lread.o)(.text+0x2d0): In function
> `e_rsle':
> : undefined reference to `__ctype_b'
> /path/to/MopacOpt/lib/libmopac.a(lread.o)(.text+0x8b2): In function
> `e_rsle':
> : undefined reference to `__ctype_b'
> /path/to/MopacOpt/lib/libmopac.a(lread.o)(.text+0xb05): more undefined
> references to `__ctype_b' follow
> make[3]: *** [grompp] Error 1
> make[3]: Leaving directory `/path/to/gromacs-4.0.4/src/kernel'
> make[2]: *** [all-recursive] Error 1
> make[2]: Leaving directory `/path/to/gromacs-4.0.4/src'
> make[1]: *** [all] Error 2
> make[1]: Leaving directory `/path/to/gromacs-4.0.4/src'
> make: *** [all-recursive] Error 1
>
> I should add that I have downloaded and used Gerrit's mopac library, as
> well
> as patched a clean version of Mopac7.  No dice.  Oh yeah, I have tried the
> GNU compilers as well.  And, cleaned the application every time I have
> tried
> to rebuild.
>
> I figure that there is something simple that I have forgotten.
>
> Thanks in advance!
> Matthew
>
>
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