# Set SQUEAK_PLUGINS and LD_LIBRARY_PATH to include the containing directory
# of the VM arg. MUST NOT BE EXECUTED IN A SUBSHELL
BIN="`dirname $1`"
export SQUEAK_PLUGINS="$BIN"
echo Make sure you invoke this as . setLD_LIBRARY_PATH
# At least on linux LD_LIBRARY_PATH's components must be absolute path names
case "$BIN" in
/*) PLUGINS="$BIN";;
*) PLUGINS="`pwd`/$BIN"
esac
# On some linuxes there multiple versions of the C library.  If the image uses
# libc (e.g. through the FFI) then it must use the same version that the VM uses
# and so it should take precedence over /lib libc.  This is done by setting
# LD_LIBRARY_PATH appropriately, based on ldd's idea of the libc use by the VM.
LIBC_SO="`/usr/bin/ldd "$1" | /bin/fgrep /libc. | sed 's/^.*=> \([^ ]*\).*/\1/'`"
case "$LIBC_SO" in
/lib/libc*)					SVMLLP="/lib:/usr/lib";;
/lib32/libc*)				SVMLLP="/lib32:/usr/lib32";;
/lib64/libc*)				SVMLLP="/lib64:/usr/lib64";;
/lib/tls/libc*)				SVMLLP="/lib/tls:/lib:/usr/lib/tls:/usr/lib";;
/lib/i386-linux-gnu/libc*)	\
	SVMLLP="/lib/i386-linux-gnu:/lib:/usr/lib/i386-linux-gnu:/usr/lib";;
/lib/i386-linux-gnu/i686/cmov/libc*)	\
	SVMLLP="/lib/i386-linux-gnu/i686/cmov:/lib:/usr/lib/i386-linux-gnu/i686/cmov:/usr/lib";;
/lib/386-linux-gnu/i686/cmov/libc*)	\
	SVMLLP="/lib/386-linux-gnu/i686/cmov:/lib:/usr/lib/386-linux-gnu/i686/cmov:/usr/lib";;
/lib/tls/i686/cmov/libc*)	\
	SVMLLP="/lib/tls/i686/cmov:/lib:/usr/lib/tls/i686/cmov:/usr/lib";;
/lib/tls/i686/nosegneg/libc*)	\
	SVMLLP="/lib/i686/nosegneg/tls:/lib:/usr/lib/i686/nosegneg/tls:/usr/lib";;
/lib/arm-linux-gnueabihf/libc*)	\
	SVMLLP="/lib/arm-linux-gnueabihf:/lib:/usr/lib/arm-linux-gnueabihf:/usr/lib";;
"")	case `/bin/uname -m || /usr/bin/uname -m` in
	*64*)	echo "/usr/bin/ldd didn't produce any output and the system is 64 bit.  You may need to (re)install the 32-bit libraries." 1>&2;;
	*)	echo "/usr/bin/ldd didn't produce any output. Can't infer base LD_LIBRARY_PATH. Aborting." 1>&2
	esac
	exit 1;;
*)	echo "Can't infer base LD_LIBRARY_PATH. Aborting. Try adding a line for $LIBC_SO to $0. Please report your edit to nsvm vm-dev." 1>&2
	exit 1
esac
# prepending is less flexible but safer because it ensures we find the plugins
# in the same directory as the VM.  We must include at least /lib and /usr/lib
# if libraries there-in are to be found.  These directories are not implicit.
export LD_LIBRARY_PATH=$PLUGINS:$SVMLLP
echo export SQUEAK_PLUGINS="$BIN"
echo export LD_LIBRARY_PATH=$PLUGINS:$SVMLLP
