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1 | $Id: README,v 1.1 2007/11/16 13:32:56 kmura Exp $ |
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2 | ========================================================================== |
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3 | Geant4 MPI Interface |
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4 | |
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5 | Author: |
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6 | Koichi Murakami (KEK) / Koichi.Murakami@kek.jp |
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7 | ========================================================================== |
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8 | |
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9 | How to build |
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10 | ============ |
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11 | |
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12 | 1. Check "G4MPI.gmk" for yor MPI configuration: |
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13 | |
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14 | * Set "G4MPIROOT", which is the root path to your MPI library. |
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15 | * Redifine CXX as (wrapped) MPI C++ compiler. |
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16 | * Specify additional include paths and compiler flags to "CPPFLAGS". |
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17 | |
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18 | Sample makefiles for (LAM, MPICH2, OpenMPI) are also presented. |
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19 | An example of "G4MPI.gmk": |
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20 | |
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21 | # =========================================================== |
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22 | # Makefile for building G4MPI (LAM) |
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23 | # =========================================================== |
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24 | |
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25 | ifndef G4MPIROOT |
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26 | G4MPIROOT = /opt/lam |
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27 | endif |
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28 | |
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29 | # additional flags |
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30 | CXX := mpic++ |
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31 | CPPFLAGS += -I$(G4MPIROOT)/include |
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32 | |
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33 | |
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34 | 2. Build the library |
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35 | |
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36 | # make |
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37 | # make includes |
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38 | |
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39 | The library (libG4UImpi) will be created in $G4LIB, |
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40 | and header files will be installed into $G4INCLUDE. |
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41 | |
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