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Subject: [OMPI users] openMPI configure/Installing problem on Mac with gnu-gcc-4.4.3 / gnu-gcc-4.5
From: Baowei Liu (bliu520_at_[hidden])
Date: 2010-04-11 23:48:18

Hi all,

I installed gnu-gcc-4.4.3 on our Mac and found out openMPI didn't work any
longer. I tried a lot of things to install openMPI back but failed. I
installed the new gnu-gcc-4.5 and got similar problem.

I followed the information on this mailing list and used option "-arch
x86_64" for compilers to try to get rid of the following error:

as: more than one -arch option (not allowed, use cc(1) instead)
make[2]: *** [coll_hierarch.lo] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive] Error 1

I tried two ways:

./configure --prefix=/usr/local/openmpi --enable-static CC=gcc FC=gfortran
F77=gfortran CXX=g++ CFLAGS="-arch x86_64" CXXFLAGS="-arch x86_64"
FCFLAGS="-m64 -arch x86_64" FFLAGS="-m64 -arch x86_64" --with-gnu-ld

Configure failed. It seems the configure doesn't recognize the option
-arch x86_64

Then I did
export CFLAGS="-arch x86_64"
export CXXFLAGS="-arch x86_64"
export FCFLAGS="-m64 -arch x86_64"
export FFLAGS="-m64 -arch x86_64"
export OBJCFLAGS="-arch x86_64"

./configure --prefix=/usr/local/openmpi CC=gcc FC=gfortran F77=gfortran
CXX=g++ --with-gnu-ld

Configure passed but it gave same making error.

Any hint?