Re: [mpich-discuss] mpich-3.2a for Blue Gene /Q omits spi libraries from the wrappers

23 Sep 2014


      On 09/16/2014 04:06 PM, William Scullin wrote:
...
When building mpich-3.2a for Blue Gene /Q and following the same
procedure used for building mpich-3.1.2 for BG/Q, the required linking
information for spi and pami is omitted from the wrappers. I'm not
sure if this is intentional or not.
Looks like we finally fixed that one:

https://trac.mpich.org/projects/mpich/changeset/e8b11d0a

==rob
...
Thanks,
William
Patching the wrappers to reflect the required linking gives the following diff :
[wscullin@vestasn1 ~]$ diff
/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7/bin/mpicc
/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7/bin/mpicc-postpatch
265c265
<         $Show $CC   $PROFILE_INCPATHS
-L/bgsys/drivers/V1R2M2/ppc64/spi/lib
-L/bgsys/drivers/V1R2M2/ppc64/comm/lib "${allargs[@]}" -I$includedir
-L$libdir $PROFILE_PRELIB $PROFILE_FOO $rpath_flags -lmpi
$PROFILE_POSTLIB
---
...
$Show $CC   $PROFILE_INCPATHS    -L/bgsys/drivers/V1R2M2/ppc64/spi/lib -L/bgsys/drivers/V1R2M2/ppc64/comm/lib "${allargs[@]}" -I$includedir -L$libdir $PROFILE_PRELIB $PROFILE_FOO $rpath_flags -lmpi  $PROFILE_POSTLIB  -lpami-gcc -lpthread   -lSPI -lSPI_cnk -lrt -lstdc++
Full diff of mpich-3.1.2 versus 3.2a wrappers:
[wscullin@vestasn1 ~]$ diff
/projects/Operations/wscullin/mpich-3.1.2/gcc-4.4.7/bin/mpicc
/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7/bin/mpicc
30,34c30,34
< prefix=/projects/Operations/wscullin/mpich-3.1.2/gcc-4.4.7
< exec_prefix=/projects/Operations/wscullin/mpich-3.1.2/gcc-4.4.7
< sysconfdir=/projects/Operations/wscullin/mpich-3.1.2/gcc-4.4.7/etc
< includedir=/projects/Operations/wscullin/mpich-3.1.2/gcc-4.4.7/include
< libdir=/projects/Operations/wscullin/mpich-3.1.2/gcc-4.4.7/lib
---
...
prefix=/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7
exec_prefix=/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7
sysconfdir=/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7/etc
includedir=/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7/include
libdir=/projects/Operations/wscullin/mpich-3.2a1/gcc-4.4.7/lib
40c40
< MPICH_VERSION="3.1.2"

...
MPICH_VERSION="3.2a1"
262c262
<         $Show $CC   $PROFILE_INCPATHS
-L/bgsys/drivers/V1R2M2/ppc64/spi/lib
-L/bgsys/drivers/V1R2M2/ppc64/comm/lib
-L/bgsys/drivers/V1R2M2/ppc64/spi/lib
-L/bgsys/drivers/V1R2M2/ppc64/comm/lib "${allargs[@]}" -I$includedir

...
$Show $CC   $PROFILE_INCPATHS    -L/bgsys/drivers/V1R2M2/ppc64/spi/lib -L/bgsys/drivers/V1R2M2/ppc64/comm/lib "${allargs[@]}" -I$includedir
265c265
<         $Show $CC   $PROFILE_INCPATHS
-L/bgsys/drivers/V1R2M2/ppc64/spi/lib
-L/bgsys/drivers/V1R2M2/ppc64/comm/lib
-L/bgsys/drivers/V1R2M2/ppc64/spi/lib
-L/bgsys/drivers/V1R2M2/ppc64/comm/lib "${allargs[@]}" -I$includedir
-L$libdir $PROFILE_PRELIB $PROFILE_FOO $rpath_flags -lmpi
$PROFILE_POSTLIB  -lpami-gcc -lpthread   -lSPI -lSPI_cnk -lrt -lstdc++
---
...
$Show $CC   $PROFILE_INCPATHS    -L/bgsys/drivers/V1R2M2/ppc64/spi/lib -L/bgsys/drivers/V1R2M2/ppc64/comm/lib "${allargs[@]}" -I$includedir -L$libdir $PROFILE_PRELIB $PROFILE_FOO $rpath_flags -lmpi  $PROFILE_POSTLIB
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-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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Rob Latham

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