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README.OSX
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README.OSX
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Builing Geant4
-----------------------
Detailed instructions on how I built Geant4 for OS X are given at the bottom
of this file. Note that for HDGeant4 you must set your G4ROOT environment variable.
In my original build, I set a variable named simply G4. Just set G4ROOT to what
I set G4 to in those instructions:
> setenv G4ROOT $G4
Install boost-python via homebrew
----------------------------------
If you don't already have homebrew installed, do it like this:
(n.b. this command is for bash so if you are using csh or tcsh, just run bash
and then run this from there. Homebrew will still be available for your (t)csh.
> bash
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install boost-python like this:
$ brew install boost-python
The files will all be linked in /usr/local/include and /usr/local/lib. You can
exit your bash shell now if you started it just for installing this.
Building HDGeant4
-----------------------
A special makefile was made to build for OSX. Run it with something like the following
where the -j8 argument says to use 8 threads (adjust this to suit your hardware)
make -f GNUmakefile.OSX -j8
====================================================================================
Build Geant4 on Mac OS X
-----------------------------
The following are instructions for how I build Geant4 on Mac OSX 10.11
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Apr 10, 2017
Here is how I built Geant4 10.03.p01 on OS X 10.11
0.) Make sure a recent version of cmake is in your path. Using the
installer for OS X, it can be found here:
> setenv PATH /Applications/CMake.app/Contents/bin/cmake:$PATH
The compiler that comes with XCode 8 will work. As will clang3.8.0
that I installed myself. Just make sure c++ points to the right place
and that BMS_OSNAME is set correctly.
1.) Unpack the source and create a build directory next to it as
suggested by the build instructions.
> tar xzf geant4.10.03.p01.tar.gz
> mkdir geant4.10.03.p01.${BMS_OSNAME}-build
> cd geant4.10.03.p01.${BMS_OSNAME}-build
2.) Run cmake with appropriate flags to turn on GDML, OpenGL, and
raytracer. The GDML is so it can read geometry converted from
HDDS to GDML using the ROOT TGeoManager->Export() utility.
Note that GDML requires xerces and that it be given explicitly.
> cmake -DCMAKE_INSTALL_PREFIX=/usr/local/geant4/geant4.10.03.p01.$BMS_OSNAME \
-DGEANT4_USE_GDML=ON \
-DXERCESC_ROOT_DIR=$XERCESCROOT \
-DGEANT4_USE_OPENGL_X11=ON \
-DGEANT4_USE_RAYTRACER_X11=ON \
-DGEANT4_BUILD_MULTITHREADED=ON \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
../geant4.10.03.p01
3.) Run make (multi-threaded) followed by make install
> make -j8
> make install
4.) Make sure the "data" directory containing all of the physics
process data files exists parallel to the installation directory.
The directory: geant4.10.03.p01.$BMS_OSNAME/share/Geant4-10.2.2
will automatically be created. The data link, however, must be
created by hand:
> cd ../geant4.10.03.p01.${BMS_OSNAME}/share/Geant4-10.3.1
> ln -s ../../../data
5.) Set up your environment to use this.
setenv G4 /usr/local/geant4/geant4.10.03.p01.Darwin_macosx10.11-x86_64-llvm8.0.0
source $G4/bin/geant4.csh $G4/bin
source $G4/share/Geant4-10.*/geant4make/geant4make.csh $G4/share/Geant4-10.*/geant4make/