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Subject: Re: [OMPI users] Help: OpenMPI Compilation in Raspberry Pi
From: Lee Eric (openlinuxsource_at_[hidden])
Date: 2013-01-21 01:56:20


Thank you mate. This patch works quite well on my Raspberry Pi w/o any
error. Can we put them in the upstream?

Thanks.

Eric

On Mon, Jan 21, 2013 at 12:07 AM, George Bosilca <bosilca_at_[hidden]> wrote:
> Eric,
>
> What do you think about the patch attached to ticket #3469 (https://svn.open-mpi.org/trac/ompi/ticket/3469). We might blend the two patches together, and have all the different ARM versions covered.
>
> Thanks,
> George.
>
> On Jan 20, 2013, at 05:55 , Lee Eric <openlinuxsource_at_[hidden]> wrote:
>
>> Hi,
>>
>> The above issue fixed w/ this patch I used:
>> https://raw.github.com/sebhtml/patches/master/openmpi/Raspberry-Pi-openmpi-1.6.2.patch
>>
>> Is that possible OpenMPI can contain this patch in the future?
>>
>> Thanks.
>>
>> On Sun, Jan 20, 2013 at 3:13 AM, Lee Eric <openlinuxsource_at_[hidden]> wrote:
>>> Hi,
>>>
>>> I just use --disable-mpif77 and --disable-mpif90 to let configure run
>>> well. However, I know it's only tough workround. After configured
>>> well, I encounter following error when run make:
>>>
>>> Making all in config
>>> make[1]: Entering directory `/home/huli/Projects/openmpi-1.6.3/config'
>>> make[1]: Nothing to be done for `all'.
>>> make[1]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/config'
>>> Making all in contrib
>>> make[1]: Entering directory `/home/huli/Projects/openmpi-1.6.3/contrib'
>>> make[1]: Nothing to be done for `all'.
>>> make[1]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/contrib'
>>> Making all in opal
>>> make[1]: Entering directory `/home/huli/Projects/openmpi-1.6.3/opal'
>>> Making all in include
>>> make[2]: Entering directory `/home/huli/Projects/openmpi-1.6.3/opal/include'
>>> make all-am
>>> make[3]: Entering directory `/home/huli/Projects/openmpi-1.6.3/opal/include'
>>> make[3]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/opal/include'
>>> make[2]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/opal/include'
>>> Making all in libltdl
>>> make[2]: Entering directory `/home/huli/Projects/openmpi-1.6.3/opal/libltdl'
>>> make all-am
>>> make[3]: Entering directory `/home/huli/Projects/openmpi-1.6.3/opal/libltdl'
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT dlopen.lo -MD -MP -MF .deps/dlopen.Tpo
>>> -c -o dlopen.lo `test -f 'loaders/dlopen.c' || echo
>>> './'`loaders/dlopen.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I. -DLTDLOPEN=libltdlc
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT libltdlc_la-preopen.lo -MD -MP -MF
>>> .deps/libltdlc_la-preopen.Tpo -c -o libltdlc_la-preopen.lo `test -f
>>> 'loaders/preopen.c' || echo './'`loaders/preopen.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I. -DLTDLOPEN=libltdlc
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT libltdlc_la-lt__alloc.lo -MD -MP -MF
>>> .deps/libltdlc_la-lt__alloc.Tpo -c -o libltdlc_la-lt__alloc.lo `test
>>> -f 'lt__alloc.c' || echo './'`lt__alloc.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I. -DLTDLOPEN=libltdlc
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT libltdlc_la-lt_dlloader.lo -MD -MP -MF
>>> .deps/libltdlc_la-lt_dlloader.Tpo -c -o libltdlc_la-lt_dlloader.lo
>>> `test -f 'lt_dlloader.c' || echo './'`lt_dlloader.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I. -DLTDLOPEN=libltdlc
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT libltdlc_la-lt_error.lo -MD -MP -MF
>>> .deps/libltdlc_la-lt_error.Tpo -c -o libltdlc_la-lt_error.lo `test -f
>>> 'lt_error.c' || echo './'`lt_error.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I. -DLTDLOPEN=libltdlc
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT libltdlc_la-ltdl.lo -MD -MP -MF
>>> .deps/libltdlc_la-ltdl.Tpo -c -o libltdlc_la-ltdl.lo `test -f 'ltdl.c'
>>> || echo './'`ltdl.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I. -DLTDLOPEN=libltdlc
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT libltdlc_la-slist.lo -MD -MP -MF
>>> .deps/libltdlc_la-slist.Tpo -c -o libltdlc_la-slist.lo `test -f
>>> 'slist.c' || echo './'`slist.c
>>> /bin/sh ./libtool --tag=CC --mode=compile
>>> armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -MT lt__strl.lo -MD -MP -MF
>>> .deps/lt__strl.Tpo -c -o lt__strl.lo lt__strl.c
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLTDLOPEN=libltdlc "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I.
>>> -Ilibltdl -I./libltdl -I./libltdl
>>> -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT libltdlc_la-lt__alloc.lo -MD -MP -MF
>>> .deps/libltdlc_la-lt__alloc.Tpo -c lt__alloc.c -fPIC -DPIC -o
>>> .libs/libltdlc_la-lt__alloc.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLTDLOPEN=libltdlc "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I.
>>> -Ilibltdl -I./libltdl -I./libltdl
>>> -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT libltdlc_la-preopen.lo -MD -MP -MF
>>> .deps/libltdlc_la-preopen.Tpo -c loaders/preopen.c -fPIC -DPIC -o
>>> .libs/libltdlc_la-preopen.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLTDLOPEN=libltdlc "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I.
>>> -Ilibltdl -I./libltdl -I./libltdl
>>> -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT libltdlc_la-lt_error.lo -MD -MP -MF
>>> .deps/libltdlc_la-lt_error.Tpo -c lt_error.c -fPIC -DPIC -o
>>> .libs/libltdlc_la-lt_error.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT lt__strl.lo -MD -MP -MF .deps/lt__strl.Tpo -c
>>> lt__strl.c -fPIC -DPIC -o .libs/lt__strl.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I. -Ilibltdl -I./libltdl
>>> -I./libltdl -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT dlopen.lo -MD -MP -MF .deps/dlopen.Tpo -c
>>> loaders/dlopen.c -fPIC -DPIC -o .libs/dlopen.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLTDLOPEN=libltdlc "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I.
>>> -Ilibltdl -I./libltdl -I./libltdl
>>> -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT libltdlc_la-lt_dlloader.lo -MD -MP -MF
>>> .deps/libltdlc_la-lt_dlloader.Tpo -c lt_dlloader.c -fPIC -DPIC -o
>>> .libs/libltdlc_la-lt_dlloader.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLTDLOPEN=libltdlc "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I.
>>> -Ilibltdl -I./libltdl -I./libltdl
>>> -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT libltdlc_la-ltdl.lo -MD -MP -MF
>>> .deps/libltdlc_la-ltdl.Tpo -c ltdl.c -fPIC -DPIC -o
>>> .libs/libltdlc_la-ltdl.o
>>> libtool: compile: armv6-rpi-linux-gnueabi-gcc -DHAVE_CONFIG_H -I.
>>> -DLTDLOPEN=libltdlc "-DLT_CONFIG_H=<config.h>" -DLTDL -I. -I.
>>> -Ilibltdl -I./libltdl -I./libltdl
>>> -I/home/huli/Projects/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>> -I/usr/include/infiniband -I/usr/include/infiniband -Ofast -mfpu=vfp
>>> -mfloat-abi=hard -MT libltdlc_la-slist.lo -MD -MP -MF
>>> .deps/libltdlc_la-slist.Tpo -c slist.c -fPIC -DPIC -o
>>> .libs/libltdlc_la-slist.o
>>> mv -f .deps/dlopen.Tpo .deps/dlopen.Plo
>>> /bin/sh ./libtool --tag=CC --mode=link armv6-rpi-linux-gnueabi-gcc
>>> -Ofast -mfpu=vfp -mfloat-abi=hard -module -avoid-version -o dlopen.la
>>> dlopen.lo -ldl -ldl -lrt -lnsl -lutil -lm
>>> mv -f .deps/libltdlc_la-lt__alloc.Tpo .deps/libltdlc_la-lt__alloc.Plo
>>> mv -f .deps/lt__strl.Tpo .deps/lt__strl.Plo
>>> mv -f .deps/libltdlc_la-lt_error.Tpo .deps/libltdlc_la-lt_error.Plo
>>> mv -f .deps/libltdlc_la-preopen.Tpo .deps/libltdlc_la-preopen.Plo
>>> mv -f .deps/libltdlc_la-lt_dlloader.Tpo .deps/libltdlc_la-lt_dlloader.Plo
>>> libtool: link: armv6-rpi-linux-gnueabi-ar cru .libs/dlopen.a .libs/dlopen.o
>>> libtool: link: armv6-rpi-linux-gnueabi-ranlib .libs/dlopen.a
>>> mv -f .deps/libltdlc_la-slist.Tpo .deps/libltdlc_la-slist.Plo
>>> libtool: link: ( cd ".libs" && rm -f "dlopen.la" && ln -s
>>> "../dlopen.la" "dlopen.la" )
>>> mv -f .deps/libltdlc_la-ltdl.Tpo .deps/libltdlc_la-ltdl.Plo
>>> /bin/sh ./libtool --tag=CC --mode=link armv6-rpi-linux-gnueabi-gcc
>>> -Ofast -mfpu=vfp -mfloat-abi=hard -no-undefined -dlpreopen dlopen.la
>>> -o libltdlc.la libltdlc_la-preopen.lo libltdlc_la-lt__alloc.lo
>>> libltdlc_la-lt_dlloader.lo libltdlc_la-lt_error.lo libltdlc_la-ltdl.lo
>>> libltdlc_la-slist.lo lt__strl.lo -ldl -lrt -lnsl -lutil -lm
>>> libtool: link: rm -f .libs/libltdlc.nm .libs/libltdlc.nmS .libs/libltdlc.nmT
>>> libtool: link: (cd .libs && armv6-rpi-linux-gnueabi-gcc -Ofast
>>> -mfpu=vfp -mfloat-abi=hard -c -fno-builtin -fPIC -DPIC "libltdlcS.c")
>>> libtool: link: rm -f ".libs/libltdlcS.c" ".libs/libltdlc.nm"
>>> ".libs/libltdlc.nmS" ".libs/libltdlc.nmT"
>>> libtool: link: (cd .libs/libltdlc.lax/dlopen.a &&
>>> armv6-rpi-linux-gnueabi-ar x
>>> "/home/huli/Projects/openmpi-1.6.3/opal/libltdl/./.libs/dlopen.a")
>>> libtool: link: armv6-rpi-linux-gnueabi-ar cru .libs/libltdlc.a
>>> .libs/libltdlc_la-preopen.o .libs/libltdlc_la-lt__alloc.o
>>> .libs/libltdlc_la-lt_dlloader.o .libs/libltdlc_la-lt_error.o
>>> .libs/libltdlc_la-ltdl.o .libs/libltdlc_la-slist.o .libs/lt__strl.o
>>> .libs/libltdlcS.o .libs/libltdlc.lax/dlopen.a/dlopen.o
>>> libtool: link: armv6-rpi-linux-gnueabi-ranlib .libs/libltdlc.a
>>> libtool: link: rm -fr .libs/libltdlc.lax
>>> libtool: link: ( cd ".libs" && rm -f "libltdlc.la" && ln -s
>>> "../libltdlc.la" "libltdlc.la" )
>>> make[3]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/opal/libltdl'
>>> make[2]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/opal/libltdl'
>>> Making all in asm
>>> make[2]: Entering directory `/home/huli/Projects/openmpi-1.6.3/opal/asm'
>>> rm -f atomic-asm.S
>>> CC asm.lo
>>> ln -s "../../opal/asm/generated/atomic-local.s" atomic-asm.S
>>> CPPAS atomic-asm.lo
>>> atomic-asm.S: Assembler messages:
>>> atomic-asm.S:7: Error: selected processor does not support ARM mode `dmb'
>>> atomic-asm.S:15: Error: selected processor does not support ARM mode `dmb'
>>> atomic-asm.S:23: Error: selected processor does not support ARM mode `dmb'
>>> atomic-asm.S:55: Error: selected processor does not support ARM mode `dmb'
>>> atomic-asm.S:70: Error: selected processor does not support ARM mode `dmb'
>>> make[2]: *** [atomic-asm.lo] Error 1
>>> make[2]: *** Waiting for unfinished jobs....
>>> make[2]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/opal/asm'
>>> make[1]: *** [all-recursive] Error 1
>>> make[1]: Leaving directory `/home/huli/Projects/openmpi-1.6.3/opal'
>>> make: *** [all-recursive] Error 1
>>>
>>> Here's my toolchain's gcc details.
>>>
>>> [huli_at_localhost openmpi-1.6.3]$ armv6-rpi-linux-gnueabi-gcc -v
>>> Using built-in specs.
>>> COLLECT_GCC=armv6-rpi-linux-gnueabi-gcc
>>> COLLECT_LTO_WRAPPER=/home/huli/Projects/arm-devel-rpi/libexec/gcc/arm-rpi-linux-gnueabi/4.7.3/lto-wrapper
>>> Target: arm-rpi-linux-gnueabi
>>> Configured with:
>>> /home/huli/Projects/ct-rpi/.build/src/gcc-linaro-4.7-2012.10/configure
>>> --build=x86_64-build_unknown-linux-gnu
>>> --host=x86_64-build_unknown-linux-gnu --target=arm-rpi-linux-gnueabi
>>> --prefix=/home/huli/Projects/arm-devel-rpi
>>> --with-sysroot=/home/huli/Projects/arm-devel-rpi/arm-rpi-linux-gnueabi/sysroot
>>> --enable-languages=c,c++,fortran --with-arch=armv6zk
>>> --with-cpu=arm1176jzf-s --with-tune=arm1176jzf-s --with-fpu=vfp
>>> --with-float=hard --with-pkgversion='crosstool-NG 1.17.0'
>>> --enable-__cxa_atexit --disable-libmudflap --disable-libgomp
>>> --disable-libssp --disable-libquadmath --disable-libquadmath-support
>>> --with-gmp=/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools
>>> --with-mpfr=/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools
>>> --with-mpc=/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools
>>> --with-ppl=/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools
>>> --with-cloog=/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools
>>> --with-libelf=/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools
>>> --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic
>>> -lm -L/home/huli/Projects/ct-rpi/.build/arm-rpi-linux-gnueabi/buildtools/lib
>>> -lpwl' --enable-threads=posix --enable-target-optspace --disable-nls
>>> --disable-multilib
>>> --with-local-prefix=/home/huli/Projects/arm-devel-rpi/arm-rpi-linux-gnueabi/sysroot
>>> --enable-c99 --enable-long-long --with-float=hard
>>> Thread model: posix
>>> gcc version 4.7.3 20121001 (prerelease) (crosstool-NG 1.17.0)
>>>
>>> Anyone have idea?
>>>
>>> Thanks.
>>>
>>> Eric
>>>
>>> On Sun, Jan 20, 2013 at 2:05 AM, Lee Eric <openlinuxsource_at_[hidden]> wrote:
>>>> Hi,
>>>>
>>>> The cross-compile issue I fixed. Check following source code:
>>>> opal_config_asm.m4:897: [AC_MSG_ERROR([No atomic primitives available
>>>> for $host])])
>>>>
>>>> It seems that checks the toolchain's tuple is one of: armv7* or armv6*
>>>> or armv5*. I have recompiled my toolchain and no such error occurred.
>>>> However, I hit another issue about fortran as configure running.
>>>>
>>>> *** Fortran 90/95 compiler
>>>> checking for armv6-rpi-linux-gnueabi-gfortran...
>>>> armv6-rpi-linux-gnueabi-gfortran
>>>> checking whether we are using the GNU Fortran compiler... yes
>>>> checking whether armv6-rpi-linux-gnueabi-gfortran accepts -g... yes
>>>> checking if Fortran 77 compiler works... links (cross compiling)
>>>> checking armv6-rpi-linux-gnueabi-gfortran external symbol
>>>> convention... single underscore
>>>> checking if C and Fortran 77 are link compatible... yes
>>>> checking to see if F77 compiler likes the C++ exception flags...
>>>> skipped (no C++ exceptions flags)
>>>> checking to see if mpif77/mpif90 compilers need additional linker flags... none
>>>> checking if Fortran 77 compiler supports CHARACTER... yes
>>>> checking size of Fortran 77 CHARACTER... configure: error: Can not
>>>> determine size of CHARACTER when cross-compiling
>>>>
>>>> Any hint? Thanks.
>>>>
>>>> Eric
>>>>
>>>> On Sat, Jan 19, 2013 at 10:08 PM, Lee Eric <openlinuxsource_at_[hidden]> wrote:
>>>>> Any heads up? Thanks.
>>>>>
>>>>> On Fri, Jan 18, 2013 at 5:28 AM, Jeff Squyres (jsquyres)
>>>>> <jsquyres_at_[hidden]> wrote:
>>>>>> On Jan 16, 2013, at 6:41 AM, Leif Lindholm <Leif.Lindholm_at_[hidden]> wrote:
>>>>>>
>>>>>>> That isn't, technically speaking, correct for the Raspberry Pi - but it is a workaround if you know you will never actually use the asm implementations of the atomics, but only the inline C ones..
>>>>>>>
>>>>>>> This sort of hides the problem that the dedicated barrier instructions were not available in ARMv6 (it used "system control coprocessor operations" instead.
>>>>>>>
>>>>>>> If you ever executed the asm implementation, you would trigger an undefined instruction exception on the Pi.
>>>>>>
>>>>>> Hah; sweet. Ok.
>>>>>>
>>>>>> So what's the right answer? Would it be acceptable to use a no-op for this operation on such architectures?
>>>>>>
>>>>>> --
>>>>>> Jeff Squyres
>>>>>> jsquyres_at_[hidden]
>>>>>> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> users mailing list
>>>>>> users_at_[hidden]
>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
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