Hi<div><br></div><div> Thanks for your suggestion. I will try with Mingw and use gcc 4.5.x and check if it works.</div><div><br></div><div>Thanks & Regards,</div><div>Kunal<br><br><div class="gmail_quote">On Tue, Oct 5, 2010 at 6:10 PM, <span dir="ltr"><<a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi,<br>
Mingw supports 32-bit and 64-bit builds (<a href="http://sourceforge.net/projects/mingw-w64/" target="_blank">http://sourceforge.net/projects/mingw-w64/</a>). gcc 4.5.x supports the "-m64" (64-bit builds) on Cygwin (However I haven't been able to successfully compile it in the past).<br>
<div class="im"><br>
Regards,<br>
Jayesh<br>
----- Original Message -----<br>
From: "Kunal Rao" <<a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a>><br>
</div><div><div></div><div class="h5">To: "Anthony Chan" <<a href="mailto:chan@mcs.anl.gov">chan@mcs.anl.gov</a>><br>
Cc: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a>, <a href="mailto:parallel-netcdf@lists.mcs.anl.gov">parallel-netcdf@lists.mcs.anl.gov</a>, "Jayesh Krishna" <<a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a>><br>
Sent: Tuesday, October 5, 2010 4:48:46 PM GMT -06:00 US/Canada Central<br>
Subject: Re: [mpich-discuss] Linking problem<br>
<br>
Hi Anthony<br>
<br>
Thanks for your suggestion. I would like to do it the other way round. i.e. build library as well with 64-bit and link with<br>
my 64-bit application. What do I need to do for that ? Install some other version of gcc for cygwin ? If yes, which version<br>
and how do I do that ?<br>
<br>
<br>
Thanks & Regards,<br>
Kunal<br>
<br>
<br>
On Tue, Oct 5, 2010 at 5:41 PM, < <a href="mailto:chan@mcs.anl.gov">chan@mcs.anl.gov</a> > wrote:<br>
<br>
<br>
<br>
<br>
----- "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> > wrote:<br>
<br>
<br>
<br>
> configure:2218: checking for C compiler default output file name<br>
> configure:2245: gcc -m64 conftest.c >&5<br>
> conftest.c:1: sorry, unimplemented: 64-bit mode not compiled in<br>
> configure:2248: $? = 1<br>
<br>
<br>
> Also, just to confirm, cygwin should be able to build 64-bit library<br>
> with gcc and gfortran, right ?<br>
<br>
It appears your cygwin gcc installation supports only 32-bit build.<br>
Can you try building everything in 32-bit, including your fortran app.<br>
<br>
A.Chan<br>
<br>
<br>
<br>
<br>
><br>
> Thanks & Regards,<br>
> Kunal<br>
><br>
> On Tue, Oct 5, 2010 at 4:24 PM, Jayesh Krishna < <a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a> ><br>
> wrote:<br>
><br>
> > Hi,<br>
> > Ok, then it looks like your application is 64-bit (x64) and the<br>
> netcdf<br>
> > library is compiled as a 32-bit library (Unless you have a fairly<br>
> recent<br>
> > version of gcc - Not the ones installed using Cygwin installer from<br>
> most<br>
> > repos - & you use -m64 flag to compile your code, the default builds<br>
> are<br>
> > 32-bit).<br>
> > The error message states that you are trying to link x86 (IA32 -<br>
> 32-bit)<br>
> > binary/lib with a x64 (x86_64 - 64-bit) binary/lib.<br>
> ><br>
> > Regards,<br>
> > Jayesh<br>
> > ----- Original Message -----<br>
> > From: "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> ><br>
> > To: "Jayesh Krishna" < <a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a> ><br>
> > Cc: <a href="mailto:parallel-netcdf@lists.mcs.anl.gov">parallel-netcdf@lists.mcs.anl.gov</a> , <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> > Sent: Tuesday, October 5, 2010 2:29:36 PM GMT -06:00 US/Canada<br>
> Central<br>
> > Subject: Re: [mpich-discuss] Linking problem (underscore prefix)<br>
> ><br>
> > Hi<br>
> ><br>
> ><br>
> > I have not used the MPICH2 installers (i.e. *.msi binary packages)<br>
> for<br>
> > Windows. I have picked up the source code<br>
> > (mpich2-1.2.1p1.tar.gz) and did configure/make/make install in<br>
> cygwin env.<br>
> > on Windows and then used this MPI implementation<br>
> > while building parallel netcdf.<br>
> ><br>
> ><br>
> > Thanks & Regards,<br>
> > Kunal<br>
> ><br>
> ><br>
> > On Tue, Oct 5, 2010 at 3:10 PM, Jayesh Krishna < <a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a><br>
> ><br>
> > wrote:<br>
> ><br>
> ><br>
> > Hi,<br>
> > It looks like you have installed 32-bit versions of netcdf and using<br>
> 64-bit<br>
> > version of MPICH2.<br>
> > Uninstall the existing version of MPICH2 and install the 32-bit<br>
> version<br>
> > (mpich2-1.2.1p1-win-ia32.msi) and let us know if it works.<br>
> ><br>
> ><br>
> > Regards,<br>
> > Jayesh<br>
> > ----- Original Message -----<br>
> > From: "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> ><br>
> ><br>
> ><br>
> ><br>
> > To: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a> , <a href="mailto:parallel-netcdf@lists.mcs.anl.gov">parallel-netcdf@lists.mcs.anl.gov</a><br>
> > Sent: Monday, October 4, 2010 2:49:44 PM GMT -06:00 US/Canada<br>
> Central<br>
> > Subject: Re: [mpich-discuss] Linking problem (underscore prefix)<br>
> ><br>
> ><br>
> > Hi<br>
> ><br>
> ><br>
> > Thanks for creating the bug report. Hope that will be fixed soon.<br>
> ><br>
> ><br>
> > Until then, do you guys have any suggestions, that I could try out ?<br>
> I have<br>
> > parallel netcdf library built on Windows ( using gcc and gfortran<br>
> while<br>
> > building MPICH2 and parallel netcdf ). Now while linking with my<br>
> application<br>
> > built with Intel compiler, as discussed before, there is unresolved<br>
> external<br>
> > symbol errors. ( prefix appended to the parallel netcdf symbols).<br>
> ><br>
> ><br>
> ><br>
> > I tried using the objcopy tool to remove those prefixes from the<br>
> library<br>
> > using:<br>
> ><br>
> ><br>
> > $objcopy --remove-leading-char libpnetcdf.lib libpnetcdf.lib<br>
> ><br>
> ><br>
> > It then removed all those underscore prefix from the symbols, but<br>
> then<br>
> > while linking with the application, it gave the following error:<br>
> > --------<br>
> > libpnetcdf.lib(dim.o) : fatal error LNK1112: module machine type<br>
> 'X86'<br>
> > conflicts with target machine type 'x64'<br>
> > -----<br>
> ><br>
> ><br>
> > I am working on Windows Server 2008 R2, Enterprise Edition. Please<br>
> let me<br>
> > know if you have any ideas/suggestions that I could try out.<br>
> ><br>
> ><br>
> > Thanks & Regards,<br>
> > Kunal<br>
> ><br>
> ><br>
> ><br>
> ><br>
> ><br>
> ><br>
> ><br>
> > On Mon, Oct 4, 2010 at 3:26 PM, < <a href="mailto:chan@mcs.anl.gov">chan@mcs.anl.gov</a> > wrote:<br>
> ><br>
> ><br>
> ><br>
> > Hi Kunal,<br>
> ><br>
> > Thanks for informing us the problem. There are bugs in Fortran77<br>
> binding<br>
> > configure tests that prevent one from using windows version of ifort<br>
> on<br>
> > cygwin, namely these tests hardwire ".o" as object file extension<br>
> instead<br>
> > of using the portable OBJEXT (same for EXEEXT). I created a bug<br>
> report for<br>
> > this problem...<br>
> ><br>
> > <a href="https://trac.mcs.anl.gov/projects/mpich2/ticket/1111" target="_blank">https://trac.mcs.anl.gov/projects/mpich2/ticket/1111</a><br>
> ><br>
> > A.Chan<br>
> ><br>
> ><br>
> ><br>
> ><br>
> > ----- "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> > wrote:<br>
> ><br>
> > > Hi Jayesh,<br>
> > ><br>
> > > Thanks for your reply. Well, I tried compiling MPICH2 with Intel<br>
> > > compiler<br>
> > > but it failed during "configure" with the following error<br>
> message:<br>
> > ><br>
> > > -------------------<br>
> > ><br>
> > > configure: error: Unable to configure with Fortran support<br>
> because<br>
> > > configure<br>
> > > could not determine the size of a Fortran INTEGER. Consider<br>
> setting<br>
> > > CROSS_F77<br>
> > > _SIZEOF_INTEGER to the length in bytes of a Fortran INTEGER<br>
> > ><br>
> > > -------------------<br>
> > ><br>
> > > I am attaching the config.log created while configuring MPICH2<br>
> with<br>
> > > Intel<br>
> > > compiler.<br>
> > ><br>
> > > So as of now, MPICH2 and parallel netcdf are built with gcc and<br>
> > > gfortran.<br>
> > > Whereas my application is being built with Intel compiler (it is<br>
> a<br>
> > > requirement to use Intel compiler). So, there is some naming<br>
> > > convention<br>
> > > issue here I guess.<br>
> > ><br>
> > > Thanks & Regards,<br>
> > > Kunal<br>
> > > On Mon, Oct 4, 2010 at 10:16 AM, Jayesh Krishna <<br>
> <a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a> ><br>
> > > wrote:<br>
> > ><br>
> > > > Hi,<br>
> > > > Did you try using the same compiler (Intel compiler) for<br>
> building<br>
> > > MPICH2,<br>
> > > > netcdf & your application ?<br>
> > > ><br>
> > > > Regards,<br>
> > > > Jayesh<br>
> > > > ----- Original Message -----<br>
> > > > From: "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> ><br>
> > > > To: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> > > > Cc: <a href="mailto:parallel-netcdf@lists.mcs.anl.gov">parallel-netcdf@lists.mcs.anl.gov</a><br>
> > > > Sent: Monday, October 4, 2010 11:19:04 AM GMT -06:00 US/Canada<br>
> > > Central<br>
> > > > Subject: Re: [mpich-discuss] Linking problem (underscore<br>
> prefix)<br>
> > > ><br>
> > > ><br>
> > > > Hi<br>
> > > ><br>
> > > ><br>
> > > > As discussed before, I was able to create the parallel netcdf<br>
> > > library on<br>
> > > > Windows using the cygwin environment. I am having some issues<br>
> while<br>
> > > linking<br>
> > > > this library with my application built with intel compilers ( I<br>
> am<br>
> > > using<br>
> > > > intel compilers also through cygwin ).<br>
> > > ><br>
> > > ><br>
> > > > I know this kind of setup is not supported, but I would like to<br>
> get<br>
> > > your<br>
> > > > inputs on this. Here is what I did:<br>
> > > ><br>
> > > ><br>
> > > > 1) The libpnetcdf.a library was created in /usr/local/lib<br>
> folder. I<br>
> > > built<br>
> > > > libpnetcdf.lib library from this *.a library through the<br>
> lib.exe<br>
> > > tool as<br>
> > > > follows:<br>
> > > ><br>
> > > ><br>
> > > > $ lib.exe /OUT:libpnetcdf.lib libpnetcdf.a<br>
> > > ><br>
> > > ><br>
> > > > 2) Now, I am trying to link this libpnetcdf.lib library with my<br>
> > > application<br>
> > > > ( using Intel compilers for building the application ). But<br>
> while<br>
> > > linking, I<br>
> > > > am getting 28 unresolved external symbol (all related to the<br>
> > > libpnetcdf.lib<br>
> > > > library) errors such as this:<br>
> > > ><br>
> > > ><br>
> > > > ------------<br>
> > > > io_ncmpi_def_dims.o : error LNK2019: unresolved external symbol<br>
> > > > ncmpi_def_dim referenced in function io_ncmpi_def_dims_<br>
> > > > -----------<br>
> > > ><br>
> > > ><br>
> > > > 3) When I checked in io_ncmpi_def_dim.o file for the symbol<br>
> using :<br>
> > > $<br>
> > > > dumpbin.exe /SYMBOLS io_ncmpi_def_dim.o<br>
> > > ><br>
> > > > I see this symbol as follows:<br>
> > > ><br>
> > > > -----------<br>
> > > > 008 00000000 UNDEF notype () External | ncmpi_def_dim<br>
> > > > -----------<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > 4) When I check the same symbol in the libpnetcdf.lib library, I<br>
> see<br>
> > > it as<br>
> > > > follows:<br>
> > > ><br>
> > > > -----------<br>
> > > > 01B 00000000 UNDEF notype () External | _ncmpi_def_dim<br>
> > > > -----------<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > So basically, there is an underscore prefix in the symbol in<br>
> the<br>
> > > library<br>
> > > > where as it is not there in the object file. Any thoughts on how<br>
> to<br>
> > > resolve<br>
> > > > this ?<br>
> > > ><br>
> > > ><br>
> > > > Thanks & Regards,<br>
> > > > Kunal<br>
> > > ><br>
> > > ><br>
> > > > On Sat, Oct 2, 2010 at 7:11 PM, Kunal Rao < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a><br>
> ><br>
> > > wrote:<br>
> > > ><br>
> > > ><br>
> > > > Hi<br>
> > > ><br>
> > > ><br>
> > > > I was able to configure and build the parallel netcdf library<br>
> on<br>
> > > Windows<br>
> > > > using the cygwin environment and MPICH2 as the MPI<br>
> implementation. I<br>
> > > still<br>
> > > > have to check if this library works with the application that I<br>
> am<br>
> > > trying to<br>
> > > > link it to.<br>
> > > ><br>
> > > ><br>
> > > > Here are the steps that I have followed:<br>
> > > > a) Downloaded the MPICH2 source code (1.2.1p1) from<br>
> > > > <a href="http://www.mcs.anl.gov/research/projects/mpich2/" target="_blank">http://www.mcs.anl.gov/research/projects/mpich2/</a><br>
> > > > b) Did the regular configure/make/make install steps in the<br>
> cygwin<br>
> > > > environment in Windows.<br>
> > > > ( set C compiler as gcc and Fortran compiler as gfortran)<br>
> > > > c) Downloaded parallel netcdf (parallel-netcdf-1.2.0.tar.gz)<br>
> from<br>
> > > > <a href="http://trac.mcs.anl.gov/projects/parallel-netcdf/wiki/Download" target="_blank">http://trac.mcs.anl.gov/projects/parallel-netcdf/wiki/Download</a><br>
> > > > d) Again, did the regular configure/make/make install steps for<br>
> > > parallel<br>
> > > > netcdf in cygwin environment in Windows and used the previously<br>
> > > built MPICH2<br>
> > > > as the mpi implementation ( for the --with-mpi option)<br>
> > > ><br>
> > > ><br>
> > > > The steps went fine and the libpnetcdf.a library has been built<br>
> on<br>
> > > Windows<br>
> > > > through the cygwin environment. I will next check if this links<br>
> > > properly and<br>
> > > > works with the application.<br>
> > > ><br>
> > > ><br>
> > > > Thanks & Regards,<br>
> > > > Kunal<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > On Sat, Oct 2, 2010 at 2:49 PM, Jayesh Krishna <<br>
> <a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a><br>
> > > ><br>
> > > > wrote:<br>
> > > ><br>
> > > ><br>
> > > > Hi,<br>
> > > > As Rob mentioned the error might be due to the way netcdf checks<br>
> for<br>
> > > MPI-IO<br>
> > > > support.<br>
> > > > Can you give us details on how you configure netcdf with MPICH2<br>
> ?<br>
> > > ><br>
> > > > (PS: MPI-IO is available with MPICH2 on windows even if you use<br>
> the<br>
> > > > installers for your installation.)<br>
> > > ><br>
> > > ><br>
> > > > Regards,<br>
> > > > Jayesh<br>
> > > > ----- Original Message -----<br>
> > > > From: "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> ><br>
> > > > To: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > Sent: Saturday, October 2, 2010 12:08:52 PM GMT -06:00<br>
> US/Canada<br>
> > > Central<br>
> > > > Subject: Re: [mpich-discuss] query on MPICH2 on Windows<br>
> > > ><br>
> > > ><br>
> > > > Hi<br>
> > > ><br>
> > > ><br>
> > > > Initially, I had used the installers availabe at the MPICH 2<br>
> website<br>
> > > and<br>
> > > > that was giving the error mentioned before. I then, downloaded<br>
> > > > the source code and built MPICH2 from that (configure/make/make<br>
> > > install) in<br>
> > > > cygwin and linked this MPI while configuring parallel<br>
> > > > netcdf. Now, it is not giving that error and it moved ahead.<br>
> > > ><br>
> > > ><br>
> > > > Thanks & Regards,<br>
> > > > Kunal<br>
> > > ><br>
> > > ><br>
> > > > On Fri, Oct 1, 2010 at 8:18 PM, Jayesh Krishna <<br>
> <a href="mailto:jayesh@mcs.anl.gov">jayesh@mcs.anl.gov</a><br>
> > > ><br>
> > > > wrote:<br>
> > > ><br>
> > > ><br>
> > > > Hi,<br>
> > > > Did you build MPICH2 from source (configure/make/make install)<br>
> under<br>
> > > cygwin<br>
> > > > environment ? Or did you install MPICH2 using installers<br>
> available<br>
> > > at the<br>
> > > > MPICH2 website ?<br>
> > > ><br>
> > > > Regards,<br>
> > > > Jayesh<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > ----- Original Message -----<br>
> > > > From: "Kunal Rao" < <a href="mailto:kunalgrao@gmail.com">kunalgrao@gmail.com</a> ><br>
> > > > To: <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> > > > Sent: Friday, October 1, 2010 5:01:38 PM GMT -06:00 US/Canada<br>
> > > Central<br>
> > > > Subject: [mpich-discuss] query on MPICH2 on Windows<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > Hi<br>
> > > ><br>
> > > ><br>
> > > > Does MPICH2 on Microsoft Windows support MPI-IO ?<br>
> > > ><br>
> > > ><br>
> > > > I was checking on this site<br>
> > > > <a href="http://www.mcs.anl.gov/research/projects/romio/" target="_blank">http://www.mcs.anl.gov/research/projects/romio/</a> where it says<br>
> that<br>
> > > ROMIO<br>
> > > > is included as a part of MPICH 2.<br>
> > > ><br>
> > > ><br>
> > > > The reason I ask this is because I am trying to configure<br>
> parallel<br>
> > > netcdf<br>
> > > > library on Windows through the cygwin environment. While doing<br>
> > > "configure"<br>
> > > > it stops with the following message:<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > ----------------<br>
> > > ><br>
> > > ><br>
> > > > checking MPI-IO support in MPI implementation... configure:<br>
> error:<br>
> > > mpi<br>
> > > > implementation does not support MPI-IO<br>
> > > ><br>
> > > ><br>
> > > > ---------------<br>
> > > ><br>
> > > ><br>
> > > > The MPI implementation I used is MPICH2 which I was assuming<br>
> > > supported<br>
> > > > MPI-IO on Windows as well. I tried using MSMPI but even that<br>
> stopped<br>
> > > with<br>
> > > > the same message. Any thoughts on this ?<br>
> > > ><br>
> > > ><br>
> > > > Thanks & Regards,<br>
> > > > Kunal<br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > ><br>
> > > > _______________________________________________<br>
> > > > mpich-discuss mailing list<br>
> > > > <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> > > > <a href="https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss" target="_blank">https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss</a><br>
> > > ><br>
> > > ><br>
> > > > _______________________________________________<br>
> > > > mpich-discuss mailing list<br>
> > > > <a href="mailto:mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>
> > > > <a href="https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss" target="_blank">https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss</a><br>
> > > ><br>
> > > ><br>
> > > ><br>
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</div></div></blockquote></div><br></div>