[mpich-discuss] configuring mpich 2 on Mac OS 10.6

[Pavan Balaji]

Ok, this showed up a bunch of times, so I have added a FAQ entry for it. 
Please see: 
http://wiki.mcs.anl.gov/mpich2/index.php/Frequently_Asked_Questions#Q:_I_get_a_configure_error_saying_.22Incompatible_Fortran_and_C_Object_File_Types.21.22

Thanks,

  -- Pavan

Brandt Belson wrote:
> Hello,
> I'm trying to configure (then install) mpich 2 on a Mac OS 10.6, and I'm 
> having a problem. ./configure, without any additional options, fails. 
> This is probably an easy fix but I don't know what it is. I'm pasting 
> the entire output of configure below.
> 
> rainier:mpich2-1.2.1p1 bbelson$ ./configure
> Configuring MPICH2 version 1.2.1p1
> Running on system: Darwin rainier 10.2.0 Darwin Kernel Version 10.2.0: 
> Tue Nov  3 10:37:10 PST 2009; root:xnu-1486.2.11~1/RELEASE_I386 i386
> Executing mpich2prereq in 
> /home/bbelson/Downloads/mpich2-1.2.1p1/src/mpid/ch3 with 
> Executing mpich2prereq in 
> /home/bbelson/Downloads/mpich2-1.2.1p1/src/mpid/ch3/channels/nemesis
> sourcing /home/bbelson/Downloads/mpich2-1.2.1p1/src/pm/mpd/mpich2prereq
> sourcing /home/bbelson/Downloads/mpich2-1.2.1p1/src/pm/hydra/mpich2prereq
> sourcing /home/bbelson/Downloads/mpich2-1.2.1p1/src/pm/gforker/mpich2prereq
> sourcing /home/bbelson/Downloads/mpich2-1.2.1p1/src/pm/mpd/setup_pm
> checking for gcc... gcc
> checking for C compiler default output file name... a.out
> checking whether the C compiler works... yes
> checking whether we are cross compiling... no
> checking for suffix of executables... 
> checking for suffix of object files... o
> checking whether we are using the GNU C compiler... yes
> checking whether gcc accepts -g... yes
> checking for gcc option to accept ISO C89... none needed
> checking how to run the C preprocessor... gcc -E
> checking whether the compiler defines __func__... yes
> checking whether the compiler defines __FUNC__... no
> checking whether the compiler sets __FUNCTION__... yes
> checking whether C compiler accepts option -O2... yes
> checking whether routines compiled with -O2 can be linked with ones 
> compiled without -O2... yes
> checking for type of weak symbol alias support... no
> checking whether __attribute__ ((weak)) allowed... yes
> checking whether __attribute ((weak_import)) allowed... yes
> checking for g77... no
> checking for xlf... no
> checking for f77... no
> checking for frt... no
> checking for pgf77... no
> checking for cf77... no
> checking for fort77... no
> checking for fl32... no
> checking for af77... no
> checking for xlf90... no
> checking for f90... no
> checking for pgf90... no
> checking for pghpf... no
> checking for epcf90... no
> checking for gfortran... gfortran
> checking whether we are using the GNU Fortran 77 compiler... yes
> checking whether gfortran accepts -g... yes
> checking whether Fortran 77 compiler accepts option -O2... yes
> checking whether routines compiled with -O2 can be linked with ones 
> compiled without -O2... yes
> checking how to get verbose linking output from gfortran... -v
> checking for Fortran 77 libraries of gfortran... 
>  -L/usr/local/gfortran/lib/gcc/i386-apple-darwin8.10.1/4.5.0 
> -L/usr/local/gfortran/lib/gcc/i386-apple-darwin8.10.1/4.5.0/../../.. 
> -lgfortran
> checking whether gfortran accepts the FLIBS found by autoconf... yes
> checking whether C can link with 
>  -L/usr/local/gfortran/lib/gcc/i386-apple-darwin8.10.1/4.5.0 
> -L/usr/local/gfortran/lib/gcc/i386-apple-darwin8.10.1/4.5.0/../../.. 
> -lgfortran... yes
> checking for linker for Fortran main programs... Use Fortran to link 
> programs
> checking whether Fortran 77 and C objects are compatible... no
> checking for file... file
> configure: error: ****  Incompatible Fortran and C Object File Types!  ****
> F77 Object File Type produced by "gfortran  -O2" is : : Mach-O object i386.
>  C  Object File Type produced by "gcc  -O2" is : : Mach-O 64-bit object 
> x86_64.
> 
> Any help is appreciated, thank you!
> Brandt
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> mpich-discuss mailing list
> mpich-discuss at mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji