Install.sh
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Install.sh
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			# Install/unInstall package files in LAMMPS
			# mode = 0/1/2 for uninstall/install/update

			mode=$1

			# enforce using portable C locale
			LC_ALL=C
			export LC_ALL

			# arg1 = file, arg2 = file it depends on

			action () {
			if (test $mode = 0) then
			rm -f ../$1
			elif (! cmp -s $1 ../$1) then
			if (test -z "$2" \|\| test -e ../$2) then
			cp $1 ..
			if (test $mode = 2) then
			echo " updating src/$1"
			fi
			fi
			elif (test -n "$2") then
			if (test ! -e ../$2) then
			rm -f ../$1
			fi
			fi
			}

			# force rebuild of files with LMP_MPIIO switch
			# also read/write restart so their *.d dependence on changed mpiio.h is rebuilt

			touch ../mpiio.h
			touch ../read_restart.cpp
			touch ../write_restart.cpp

			# all package files with no dependencies

			for file in .cpp .h; do
			test -f ${file} && action $file
			done

			# edit 2 Makefile.package to include/exclude LMP_MPIIO setting

			if (test $1 = 1) then

			if (test -e ../Makefile.package) then
			sed -i -e 's/[^ \t]MPIIO[^ \t] //' ../Makefile.package
			sed -i -e 's\|^PKG_INC =[ \t]*\|&-DLMP_MPIIO \|' ../Makefile.package

			fi

			elif (test $1 = 0) then

			if (test -e ../Makefile.package) then
			sed -i -e 's/[^ \t]MPIIO[^ \t] //' ../Makefile.package
			fi

			fi