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Documentation tweak for peculiarities of OpenMPI --prefix

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Michael Marshall 2019-12-12 17:00:03 +00:00
parent a7772c827b
commit c7637a84ad
1 changed files with 5 additions and 3 deletions
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documentation/GridXcode/readme.md
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@ -98,10 +98,12 @@ Download the latest version of [Open MPI][OMPI] version 3.1 (I used 3.1.5) and b
[OMPI]: https://www.open-mpi.org/software/ompi/v3.1/
../configure CC=clang CXX=clang++ CXXFLAGS=-g --prefix=$GridPre
../configure CC=clang CXX=clang++ CXXFLAGS=-g --prefix=$GridPre/bin
make -j 4 all install
NB: Grid does not have any dependencies on fortran, however many standard scientific packages do, so you may wish to download GNU fortran (e.g. MacPorts ``gfortran`` package) and add the following to your configure invocation:
***Note the `/bin` at the end of the prefix - this is required. As a quirk of the OpenMPI installer, `--prefix` must point to the `bin` subdirectory, with other files installed in `$GridPre/include`, `$GridPre/lib`, `$GridPre/share`, etc.***
Grid does not have any dependencies on fortran, however many standard scientific packages do, so you may wish to download GNU fortran (e.g. MacPorts ``gfortran`` package) and add the following to your configure invocation:
F77=gfortran FC=gfortran
@ -194,7 +196,7 @@ Since Grid itself doesn't really have debug configurations, the release build is
Debug configuration with MPI:
../configure CXX=clang++ --with-hdf5=$GridPkg --with-gmp=$GridPkg --with-mpfr=$GridPkg --with-fftw=$GridPkg --with-lime=$GridPre --enable-simd=GEN --enable-precision=double --prefix=$GridPre/GridMPIDebug --enable-comms=mpi-auto MPICXX=$GridPre/mpicxx
../configure CXX=clang++ --with-hdf5=$GridPkg --with-gmp=$GridPkg --with-mpfr=$GridPkg --with-fftw=$GridPkg --with-lime=$GridPre --enable-simd=GEN --enable-precision=double --prefix=$GridPre/GridMPIDebug --enable-comms=mpi-auto MPICXX=$GridPre/bin/mpicxx
### 5.3 Build Grid