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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12913 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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2015-01-09 16:07:15 +00:00
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37
lib/molfile/Makefile.lammps Normal file
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# This file contains the hooks to build and link LAMMPS with the VMD
# molfile plugins described here:
#
# http://www.ks.uiuc.edu/Research/vmd/plugins/molfile
#
# When you build LAMMPS with the USER-MOLFILE package installed, it will
# use the 3 settings in this file. They should be set as follows.
#
# The molfile_SYSLIB setting is for a system dynamic loading library
# that will be used to load the molfile plugins. It contains functions
# like dlopen(), dlsym() and so on for dynamic linking of executable
# code into an executable. For Linux and most current Unix-like
# operating systems, the setting of "-ldl" will work. On some platforms
# you may need "-ldld". For compilation on Windows, a different
# mechanism is used that is part of the Windows programming environment
# and thus molfile_SYSLIB can be left blank.
#
# The molfile_SYSINC and molfile_SYSPATH variables do not typically need
# to be set. If the dl library is not in a place the linker can find
# it, specify its directory via the molfile_SYSPATH variable, e.g.
# -Ldir.
# -----------------------------------------------------------
# Settings that the LAMMPS build will import when this package is installed
molfile_SYSINC =
ifneq ($(LIBOBJDIR),/Obj_mingw32)
ifneq ($(LIBOBJDIR),/Obj_mingw64)
ifneq ($(LIBOBJDIR),/Obj_mingw32-mpi)
ifneq ($(LIBOBJDIR),/Obj_mingw64-mpi)
molfile_SYSLIB = -ldl
endif
endif
endif
endif
molfile_SYSPATH =

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lib/molfile/README Normal file
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This directory has a Makefile.lammps file with settings that allows
LAMMPS to dynamically link to the VMD molfile library. This is
required to use the USER-MOLFILE package and its interface to the dump
and write_dump commands in a LAMMPS input script.
More information about the VMD molfile plugins can be found at
http://www.ks.uiuc.edu/Research/vmd/plugins/molfile.
More specifically, to be able to dynamically load and execute the
plugins from inside LAMMPS, you need to link with a system library
containing functions like dlopen(), dlsym() and so on for dynamic
linking of executable code into an executable. This library is
defined by setting the molfile_SYSLIB variable in the Makefile.lammps
file in this dir.
For Linux and most current unix-like operating systems, this can be
kept at the default setting of "-ldl" (on some platforms this library
is called "-ldld"). For compilation on Windows, a slightly different
mechanism is used that is part of the Windows programming environment
and this library is not needed.
See the header of Makefile.lammps for more info.