[mpich-discuss] issues when writing a simple makefile to build MPI programs
Pavan Balaji
balaji at mcs.anl.gov
Sat Jun 25 09:44:00 CDT 2011
I don't see the error in the log you sent. Please send us the log files
as described in the README.
-- Pavan
On 06/25/2011 09:40 AM, clara wrote:
> Attached please find the output info when I ran configure with -m32
> option. Because I am building 64-bit libraries, the log files cannot be
> obtained now.
>
> - Clara
>
> On Sat, Jun 25, 2011 at 10:28 AM, Pavan Balaji <balaji at mcs.anl.gov
> <mailto:balaji at mcs.anl.gov>> wrote:
>
>
> Can you send us the log files are described in the README? Please
> compress them as they can be huge.
>
> -- Pavan
>
>
> On 06/25/2011 09:12 AM, clara wrote:
>
> Thanks, but now I get the below error:
> configure: error: Could not determine a way to link a Fortran
> test program!
>
>
> On Sat, Jun 25, 2011 at 9:59 AM, Pavan Balaji
> <balaji at mcs.anl.gov <mailto:balaji at mcs.anl.gov>
> <mailto:balaji at mcs.anl.gov <mailto:balaji at mcs.anl.gov>>> wrote:
>
>
> It's "CFLAGS", not "CFLAG".
>
> -- Pavan
>
>
> On 06/25/2011 08:42 AM, clara wrote:
>
> I executed the following command:
> ./configure --prefix=/mnt/lux/git/pios/xc/____mpich2-32
> --with-pm=gforker
> --disable-faster CFLAG=-m32 CXXFLAGS=-m32 FFLAGS=-m32
> FCFLAGS=-m32
>
> and got the below errors:
> configure: error: **** Incompatible Fortran and C
> Object File
> Types! ****
> F77 Object File Type produced by "gfortran -m32 " is : : ELF
> 32-bit LSB
> relocatable, Intel 80386, version 1 (SYSV), not stripped.
> C Object File Type produced by "gcc -O2" is : :
> ELF 64-bit LSB
> relocatable, x86-64, version 1 (SYSV), not stripped.
>
> Is there any simple way setting -m32 in order to build
> 32-bit
> libraries
> on 64-bit system?
>
> - Clara
>
> On Fri, Jun 24, 2011 at 11:53 AM, Anthony Chan
> <chan at mcs.anl.gov <mailto:chan at mcs.anl.gov>
> <mailto:chan at mcs.anl.gov <mailto:chan at mcs.anl.gov>>
> <mailto:chan at mcs.anl.gov <mailto:chan at mcs.anl.gov>
> <mailto:chan at mcs.anl.gov <mailto:chan at mcs.anl.gov>>>> wrote:
>
>
> You need to rebuild mpich2 for 32bit. Set
> CFLAGS/CXXFLAGS/FFLAGS/FCFLAGS
> to -m32 (assume your system has the 32bit support).
>
> BTW, your install of 1.2.1p1 mpich2 is old, please
> upgrade
> if possible
> (the latest stable release is 1.4)
>
> A.Chan
>
> ----- Original Message -----
> > I think the default installed mpich2 in 64-bit ubuntu is in
> x86_64
> > mode.
> > When I try to compile/link an MPI program in 32-bit mode,
> there is an
> > error
> > below:
> > /usr/lib/libmpich.so: file not recognized: File format not
> recognized
> >
> > How can I configure the compile/link flags? Do I need to rebuild
> > mpich2 to
> > get a 32-bit libraries? Or is there any 32-bit libraries
> coexisted
> > with
> > 64-bit libraries? Thanks.
> >
> > Below is the output version information of the default installed
> > MPICH2:
> > MPICH2 Version: 1.2.1p1
> > MPICH2 Release date: Unknown, built on Tue Apr 27 15:06:31
> UTC 2010
> > MPICH2 Device: ch3:nemesis
> > MPICH2 configure: --build=x86_64-linux-gnu --prefix=/usr
> > --includedir=${prefix}/include --mandir=${prefix}/share/man
> > --infodir=${prefix}/share/info --sysconfdir=/etc
> --localstatedir=/var
> > --libexecdir=${prefix}/lib/____mpich2 --disable-maintainer-mode
> > --disable-dependency-tracking --disable-silent-rules --srcdir=.
> > --enable-sharedlibs=gcc --prefix=/usr --enable-f90
> > --sysconfdir=/etc/mpich2
> > --includedir=/usr/include/____mpich2
> --docdir=/usr/share/doc/mpich2
> > MPICH2 CC: gcc -g -O2 -g -Wall -O2 -O2
> > MPICH2 CXX: c++ -g -O2 -g -Wall -O2 -O2
> > MPICH2 F77: gfortran -g -O2 -O2
> > MPICH2 F90: f95 -O2
> >
> > - Clara
> >
> > On Fri, Jun 24, 2011 at 12:08 AM, Pavan Balaji
> <balaji at mcs.anl.gov <mailto:balaji at mcs.anl.gov>
> <mailto:balaji at mcs.anl.gov <mailto:balaji at mcs.anl.gov>>
> <mailto:balaji at mcs.anl.gov <mailto:balaji at mcs.anl.gov>
> <mailto:balaji at mcs.anl.gov <mailto:balaji at mcs.anl.gov>>>>
>
>
> > wrote:
> >
> > > Clara,
> > >
> > >
> > > On 06/23/2011 10:53 PM, clara wrote:
> > >
> > >> If I only use shared memory communication among processes on a
> > >> single
> > >> node, how can I configure the mpich2.1.4 (except
> --with-pm=gforker)
> > >> in
> > >> order to link libraries as little as possible?
> > >>
> > >
> > > Shared memory communication support comes by default in
> MPICH2. You
> > > don't
> > > need to pass any special configure options; not even
> > > --with-pm=gforker.
> > > Unfortunately, all libraries are still required to be
> linked with
> > > even when
> > > only shared memory support is needed.
> > >
> > > -- Pavan
> > >
> > >
> > > --
> > > Pavan Balaji
> > > http://www.mcs.anl.gov/~balaji
> > >
> >
> > ___________________________________________________
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> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>
>
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>
>
--
Pavan Balaji
http://www.mcs.anl.gov/~balaji
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