bug#17094: Libtool bug with PGI Fortran compiler on OS X

[Jeff Squyres (jsquyres)]

Has there been any progress on this issue?

Thanks.

On Mar 25, 2014, at 10:43 AM, Jeff Squyres (jsquyres) <address@hidden> wrote:

> Matt Thompson (CC'ed), an Open MPI user, posted to the Open MPI list recently 
> stating that he was having trouble installing Open MPI with the PGI compiler 
> on OS X (thread starting here: 
> http://www.open-mpi.org/community/lists/users/2014/03/23888.php).
> 
> After some back and forth, we think we may have found a bug in Libtool.
> 
> I created a trivial autoconf/automake/libtool package for testing:
> 
>    https://github.com/jsquyres/pgi-autotool-bug
> 
> The project makes a trivial Fortran library comprised of two .f90 source 
> files.  Here's contents of src/Makefile.am:
> 
> -----
> lib_LTLIBRARIES = libfortran_stuff.la
> libfortran_stuff_la_SOURCES = fortran_foo.f90 fortran_bar.f90
> -----
> 
> I made two tarballs for Matt and had him try them both.  One tarball was made 
> with the GNU Autotools tuple that we use to make Open MPI 1.7.x tarballs (AC 
> 2.69, AM 1.12.2, LT 2.4.2, m4 1.4.16).  The other tarball was with the most 
> recent Automake (1.14.1), just in case this was an AM issue.  Both tarballs 
> exhibit the same behavior on his OS X machine with the PGI Fortran compiler.
> 
> The output from a build seems to indicate a problem with Libtool.  Let me 
> show the problem by contrasting output from "make V=1" on my Linux/gfortran 
> based system vs. Matt's OS X / PGI Fortran compiler system.
> 
> Here's (annotated) output from Linux/gfortran "make V=1":
> 
> -----
> Making all in src
> make[1]: Entering directory `/home/jsquyres/git/pgi-autotool-bug/src'
> 
> # Compile the fortran_foo.f90 file
> /bin/sh ../libtool  --tag=FC   --mode=compile gfortran  -g -O2 -c -o 
> fortran_foo.lo fortran_foo.f90
> libtool: compile:  gfortran -g -O2 -c fortran_foo.f90  -fPIC -o 
> .libs/fortran_foo.o
> 
> # Compile the fortran_bar.f90 file
> /bin/sh ../libtool  --tag=FC   --mode=compile gfortran  -g -O2 -c -o 
> fortran_bar.lo fortran_bar.f90
> libtool: compile:  gfortran -g -O2 -c fortran_bar.f90  -fPIC -o 
> .libs/fortran_bar.o
> 
> # Link the two into the libfortran_stuff.so library
> /bin/sh ../libtool  --tag=FC   --mode=link gfortran  -g -O2   -o 
> libfortran_stuff.la -rpath /usr/local/lib fortran_foo.lo fortran_bar.lo  
> libtool: link: gfortran -shared  -fPIC  .libs/fortran_foo.o 
> .libs/fortran_bar.o    -O2   -Wl,-soname -Wl,libfortran_stuff.so.0 -o 
> .libs/libfortran_stuff.so.0.0.0
> 
> # Make some handy sym links
> libtool: link: (cd ".libs" && rm -f "libfortran_stuff.so.0" && ln -s 
> "libfortran_stuff.so.0.0.0" "libfortran_stuff.so.0")
> libtool: link: (cd ".libs" && rm -f "libfortran_stuff.so" && ln -s 
> "libfortran_stuff.so.0.0.0" "libfortran_stuff.so")
> libtool: link: ( cd ".libs" && rm -f "libfortran_stuff.la" && ln -s 
> "../libfortran_stuff.la" "libfortran_stuff.la" )
> -----
> 
> And here's the (annotated) output from his OS X / PGI Fortran compiler system:
> 
> -----
> Making install in src
> 
> # Compile the fortran_foo.f90 file
> /bin/sh ../libtool  --tag=FC   --mode=compile pgfortran  -m64 -c -o 
> fortran_foo.lo fortran_foo.f90
> libtool: compile:  pgfortran -m64 -c fortran_foo.f90  -o .libs/fortran_foo.o
> 
> # Compile the fortran_bar.f90 file
> /bin/sh ../libtool  --tag=FC   --mode=compile pgfortran  -m64 -c -o 
> fortran_bar.lo fortran_bar.f90
> libtool: compile:  pgfortran -m64 -c fortran_bar.f90  -o .libs/fortran_bar.o
> 
> # Link the two into the libfortran_stuff.so library
> /bin/sh ../libtool  --tag=FC   --mode=link pgfortran  -m64  -m64 -o 
> libfortran_stuff.la -rpath /Users/fortran/AutomakeBug/autobug14/lib 
> fortran_foo.lo fortran_bar.lo  
> ******* NOTICE THAT THERE'S NO COMMAND HERE TO MAKE THE LIBRARY!
> 
> # Make some handy sym links
> libtool: link: (cd ".libs" && rm -f "libfortran_stuff.dylib" && ln -s 
> "libfortran_stuff.0.dylib" "libfortran_stuff.dylib")
> libtool: link: ( cd ".libs" && rm -f "libfortran_stuff.la" && ln -s 
> "../libfortran_stuff.la" "libfortran_stuff.la" )
> -----
> 
> It looks like Libtool is somehow not issuing the link command to pgfortran to 
> actually create the library.  The sym links are created, but they're 
> presumably dangling.
> 
> I've attached the following for reference:
> 
> - PGI outputs: config.log, configure stdout, make V=1 install stdout
> - gfortran outputs: ditto
> 
> -- 
> Jeff Squyres
> address@hidden
> For corporate legal information go to: 
> http://www.cisco.com/web/about/doing_business/legal/cri/
> <pgi-output.tar.bz2><gfortran-output.tar.bz2>_______________________________________________
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-- 
Jeff Squyres
address@hidden
For corporate legal information go to: 
http://www.cisco.com/web/about/doing_business/legal/cri/