# This script is sourced by the user and uses

# their shell.

#

# This script tries to find its location but

# this does not work in every shell.

#

# It is known to work in bash, zsh and ksh

#

# Do not execute this script without sourcing,

# because it won't have any effect then.

# That is, always run this script with

#

# . /path/to/emsdk_env.sh

#

# or

#

# source /path/to/emsdk_env.sh

#

# instead of just plainly running with

#

# ./emsdk_env.sh

#

# which won't have any effect.

CURRENT_SCRIPT=

DIR="."

# use shell specific method to get the path

# to the current file being source'd.

#

# To add a shell, add another conditional below,

# then add tests to scripts/test_source_env.sh

if [ -n "${BASH_SOURCE-}" ]; then

CURRENT_SCRIPT="$BASH_SOURCE"

elif [ -n "${ZSH_VERSION-}" ]; then

CURRENT_SCRIPT="${(%):-%x}"

elif [ -n "${KSH_VERSION-}" ]; then

CURRENT_SCRIPT=${.sh.file}

fi

if [ -n "${CURRENT_SCRIPT-}" ]; then

DIR=$(dirname "$CURRENT_SCRIPT")

if [ -h "$CURRENT_SCRIPT" ]; then

# Now work out actual DIR since this is part of a symlink.

# Since we can't be sure that readlink or realpath

# are available, use tools more likely to be installed.

# (This will still fail if sed is not available.)

SYMDIR=$(dirname "$(ls -l "$CURRENT_SCRIPT" | sed -n "s/.*-> //p")")

if [ -z "$SYMDIR" ]; then

SYMDIR="."

fi

FULLDIR="$DIR/$SYMDIR"

DIR=$(cd "$FULLDIR" > /dev/null 2>&1; /bin/pwd)

unset SYMDIR

unset FULLDIR

fi

fi

unset CURRENT_SCRIPT

if [ ! -f "$DIR/emsdk.py" ]; then

echo "Error: unable to determine 'emsdk' directory. Perhaps you are using a shell or" 1>&2

echo " environment that this script does not support." 1>&2

echo 1>&2

echo "A possible solution is to source this script while in the 'emsdk' directory." 1>&2

echo 1>&2

unset DIR

return

fi

# Force emsdk to use bash syntax so that this works in windows + bash too

eval `EMSDK_BASH=1 "$DIR/emsdk" construct_env`

unset DIR