[mpich-discuss] building mpich2 with open64 compilers is difficult

[Dave Goodell]

We don't use or test with the open64 compilers, so it's not surprising if there are some problems.  WRT 1.2.1p1, we don't fix versions which are that old.  If it's not a problem in 1.5 or 3.0.1, especially for build system issues, then it's just unfortunate that the old version doesn't work.

-Dave

On Dec 31, 2012, at 7:16 PM CST, Michael Seman wrote:

> I built mpich2 before with gcc and Intel compilers.  I tried to compile with open64,
> so first tried mpich2-1.2.1p1 which I built with other compilers.
> The make proceeds, I see lot of CC commands, then at the first F90, it falls over.
> So I added the verbosity option V=1 to the make and tried again. When it got up to
> the offending "F90 mpi.f90" stage, I now see this at the tail of the make log:
> 
> date > .libstamp1
> make[4]: Leaving directory `/home/michael/apps/thirdparty/mpich2-1.2.1p1/src/binding/f90'
> make[4]: Entering directory `/home/michael/apps/thirdparty/mpich2-1.2.1p1/src/binding/f90'
> false -O2 -I. -c mpi.f90 -o _smpi.o
> mv -f _smpi.o mpi.lo
> make[4]: *** [mpi.lo] Error 1
> make[4]: Leaving directory `/home/michael/apps/thirdparty/mpich2-1.2.1p1/src/binding/f90'
> make[3]: *** [all-redirect] Error 1
> make[3]: Leaving directory `/home/michael/apps/thirdparty/mpich2-1.2.1p1/src/binding/f90'
> make[2]: *** [all-redirect] Error 1
> make[2]: Leaving directory `/home/michael/apps/thirdparty/mpich2-1.2.1p1/src/binding'
> make[1]: *** [all-redirect] Error 2
> make[1]: Leaving directory `/home/michael/apps/thirdparty/mpich2-1.2.1p1/src'
> make: *** [all-redirect] Error 2
> 
> So "F90" has become "false" somewhere along the track.
> 
> Configure variables were for 1.2.1p1:
> BUILD_DIR=/usr/local
> 	F90=openf90
> 	F77=openf90
> 	CC=opencc
> 	CXX=openCC
> CFLAGS="-fPIC -O"
> FFLAGS="-fPIC -fno-second-underscore -O"
> F90FLAGS="-fPIC -fno-second-underscore -O"
> FLAGS="--prefix=${BUILD_DIR} --enable-threads --enable-sharedlibs=gcc \
> 	--enable-f77 --enable-f90 --enable-cxx"
> 
> Next, I tried version 1.4 of mpich2, which requires changing a few things, such as
> F90 to FC and --enable-f90 to --enable-fc and adding --enabled-shared to flags.
> I used these configure variables with versions 1.3 to 1.5:
> BUILD_DIR=/usr/local
> 	F77=openf90
> 	FC=openf90
> 	CC=opencc
> 	CXX=openCC
> CFLAGS="-fPIC -O"
> FFLAGS="-fPIC -fno-second-underscore -O"
> FCFLAGS="-fPIC -fno-second-underscore -O"
> F77FLAGS="-fPIC -fno-second-underscore -O"
> FLAGS="--prefix=${BUILD_DIR} --enable-threads --enable-sharedlibs=gcc \
> 	--enable-fc --enable-shared --enable-f77 --enable-cxx"
> 
> 
> Again this flops when make gets up to mpi.f90. I still see "false" instead of the FC compiler command.
> 
> Only version 1.5 of mpich2 can be built okay with open64 compilers. I used version 4.2.4 of open64 under RHEL 5.8 64-bit. I also tried open64
> version 4.2.1
> 
> Has anybody found other combinations to build mpich2 using open64?
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