[mpich-discuss] question regarding compiling/linking under MingW (MPICH2 1.08)

[ting lei]

Hi, Dorian

Thanks a lot for your prompt reply. 
Your command line
> gcc -I /c/MPICH2/include/ test.c -L/c/MPICH2/lib/ -lmpi
solves the first problem perfectly on win32.

On Win64, I see the following from line 333 onwards about MPI_Aint
"
/* Definitions that are determined by configure. */
typedef __int64 MPI_Aint;
typedef int MPI_Fint;
#define MPI_AINT_FMT_DEC_SPEC "%I64d"
#define MPI_AINT_FMT_HEX_SPEC "%I64x"
"
It seems that configure made a choice of __int64 for the Win64 package instead of long under linux. Any idea how this might be solved?
I have also attached the output with the -E option in the attachment err.txt for your reference.

BTW, I tried to manually change 
typedef __int64 MPI_Aint;
to 
typedef long MPI_Aint;
and then, I got:
gcc -I /c/MPICH2/include/ test.c -L /c/MPICH2/lib/ -lmpi  
test.c: In function 'main':
test.c:15: warning: incompatible implicit declaration of built-in function 'printf'
C:/Users/ting/AppData/Local/Temp/ccsAr9gj.o:test.c:(.text+0x22): undefined reference to `_MPI_Init'
C:/Users/ting/AppData/Local/Temp/ccsAr9gj.o:test.c:(.text+0x36): undefined reference to `_MPI_Comm_rank'
collect2: ld returned 1 exit status

or the following for using g++:

$ g++ -I /c/MPICH2/include/ test.c -L /c/MPICH2/lib/ -lmpi 
C:/Users/ting/AppData/Local/Temp/ccPO9opx.o:test.c:(.text+0x22): undefined reference to `_MPI_Init'
C:/Users/ting/AppData/Local/Temp/ccPO9opx.o:test.c:(.text+0x36): undefined reference to `_MPI_Comm_rank'
collect2: ld returned 1 exit status



Thanks again.

T.


> Date: Sun, 4 Jan 2009 18:29:23 +0100
> From: ddkrause at uni-bonn.de
> To: mpich-discuss at mcs.anl.gov
> Subject: Re: [mpich-discuss] question regarding compiling/linking under MingW (MPICH2 1.08)
> 
> Hi
> 
> ting lei wrote:
> > Hi,
> >
> > Sorry to bother all. I have some questions regarding using MPICH2 1.08 
> > with MingW
> >
> > I tried compile MPICH2 1.08 on two different machines, and have met 
> > different problems. I was wondering if someone with a lot experience 
> > could help me out here. thanks in advance.
> >
> > 1) The most successful attempt was on a win32 platform, XPSP3 with 
> > MingW+gcc3.4.5
> > The command line I used was:
> > gcc -I /c/MPICH2/include/ -lmpi -L/c/MPICH2/lib/ test.c
> > and I get the following error:
> > C:/DOCUME~1/ting/LOCALS~1/Temp/cc40AD3K.o:test.c:(.text+0x38): 
> > undefined reference to `MPI_Init'
> > C:/DOCUME~1/ting/LOCALS~1/Temp/cc40AD3K.o:test.c:(.text+0x4b): 
> > undefined reference to `MPI_Comm_rank'
> > collect2: ld returned 1 exit status
> 
> Could you try
> 
> gcc -I /c/MPICH2/include/ test.c -L/c/MPICH2/lib/ -lmpi
> 
> Since your testprogram depends on the mpi library you need to specify 
> the library after your program because the linker goes from left to right.
> >
> > It seems that the library file libmpi.a is corrected specified, 
> > because if I change it to -lmpi1 it will report
> > c:\mingw\bin\..\lib\gcc\mingw32\3.4.5\..\..\..\..\mingw32\bin\ld.exe: 
> > cannot find -lmpi1
> > collect2: ld returned 1 exit status
> >
> >
> > 2) My less successful attempt was on a Win64 (Vista64) platform with 
> > MingW + gcc4.3:
> > I tried installing the mpich2-1.0.8-win-x86-64.msi. but
> > a) after the installation, I couldn't find libmpi.a in MPICH2\lib 
> > folder as I was able to in case 1).b) when I am compiling the toy test 
> > program, I get many errors like this:
> >
> > In file included from test.c:1:
> > c:/MPICH2/include/mpi.h:334: error: expected '=', ',', ';', 'asm' or 
> > '__attribute__' before 'MPI_Aint'
> >
> > Is this a gcc4.x problem?
> 
> Did you take a look at mpi.h line 334? On Linux I can see typedef long 
> MPI_Aint; . Could you compile with the -E flag to see the preprocessor 
> output? Maybe something is overwriting long?
> 
> >
> > Best
> >
> > T
> >
> >
> > ------------------------------------------------------------------------
> > From: jayesh at mcs.anl.gov
> > To: leitingl at hotmail.com
> > CC: mpich-discuss at mcs.anl.gov
> > Subject: RE: [mpich-discuss] (no subject) - mingw
> > Date: Tue, 2 Dec 2008 13:34:18 -0600
> >
> > Hi,
> >  You could try installing MPICH2 on windows (from the installer 
> > available at 
> > http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=downloads) 
> > and compile your code and link with the gcc libs (*.a) provided with 
> > the installation (MPICH2\lib directory).
> >  
> > Regards,
> > Jayesh
> >
> > ------------------------------------------------------------------------
> > *From:* mpich-discuss-bounces at mcs.anl.gov 
> > [mailto:mpich-discuss-bounces at mcs.anl.gov] *On Behalf Of *ting lei
> > *Sent:* Tuesday, December 02, 2008 1:31 PM
> > *To:* mpich-discuss at mcs.anl.gov
> > *Subject:* [mpich-discuss] (no subject)
> >
> > Hi,
> >
> > This might be a newbie question.
> > I see in this thread that people can compile MPICH2 with MingW. I tried that with MingW (gcc 4.3 and 3.4x) several times but 
> > I was never able to get past the ./configure step. 
> > /"I have compiled a C executable using the MPICH2 Windows libraries and //MinGW./"
> > Could someone please give me some pointers how to compile such an executable?
> > More specifically, do I have to compile MPICH2 itself from source using MinGW then use some program such as mpicc?? 
> > or should I just compile a regular c program and run it with mpiexec.exe ?
> > If I were to compile MPICH2 itself with MingW, what other packages do I need except the latest version of MingW?
> >
> >
> > Many thanks for your help
> >
> >
> >   
> >
> > <http://clk.atdmt.com/MRT/go/127032869/direct/01/>
> > ------------------------------------------------------------------------
> > It’s the same Hotmail®. If by “same” you mean up to 70% faster. Get 
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> 

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