Problem compiling MPI examples under cygwin

Larry Hall (Cygwin) reply-to-list-only-lh@cygwin.com
Fri Feb 1 21:53:00 GMT 2008


madfran wrote:
> Hi,...
> 
> I have a probleme when I try to compile under cygwin.
> The program it an example from MPICH2.
> Following the advice of the people from MPICH2, I install MPICH2 under
> WinXP, change the PATH to add the new addres and,... nothing, cygwin is
> not able to find the include.

<snip>

> madfran@8156 /cygdrive/c/cygwin/tmp/mpi/mpich2-1.0.6p1/examples
> $ ls -l /cygdrive/c/"Program Files"/MPICH2/include/mpi.h
> -rwxrwxrwx+ 1 madfran root 51473 Oct 30 16:05 /cygdrive/c/Program 
> Files/MPICH2/include/mpi.h
> 
> madfran@8156 /cygdrive/c/cygwin/tmp/mpi/mpich2-1.0.6p1/examples
> $ make clean
> 
> madfran@8156 /cygdrive/c/cygwin/tmp/mpi/mpich2-1.0.6p1/examples
> $ make hellow
> gcc  -I../src/include -I../src/include -O2  -c hellow.c
> hellow.c:13:17: mpi.h: No such file or directory
> hellow.c: In function `main':
> hellow.c:21: error: `MPI_COMM_WORLD' undeclared (first use in this function)
> hellow.c:21: error: (Each undeclared identifier is reported only once
> hellow.c:21: error: for each function it appears in.)
> make: *** [hellow.o] Error 1


You didn't tell it where the file was.  Try adding
'-I "/cygdrive/c/Program iles/MPICH2/include/mpi.h"' to your list of include
paths.

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

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