-if [ "$JAVA_HOME" == "" ]
-then
- echo "Please set JAVA_HOME before sourcing this script."
-else
-if [ "$ANT_HOME" == "" ]
-then
- echo "Please set ANT_HOME before sourcing this script."
-else
-if [ "$XMLBEANS_HOME" == "" ]
-then
- echo "Please set XMLBEANS_HOME before sourcing this script."
-else
-
-# These should be ok as they are.
-export CLASSPATH=$WORKSPACE/Tools/Jars/SurfaceArea.jar:$WORKSPACE/Tools/Jars/frameworktasks.jar:$WORKSPACE/Tools/Jars/cpptasks.jar:$WORKSPACE/Tools/Jars/GenBuild.jar:$XMLBEANS_HOME/lib/resolver.jar:$XMLBEANS_HOME/lib/xbean.jar:$XMLBEANS_HOME/lib/xmlpublic.jar:$XMLBEANS_HOME/lib/jsr173_1.0_api.jar:$XMLBEANS_HOME/lib/saxon8.jar:$XMLBEANS_HOME/lib/xbean_xpath.jar
-export CLASSPATH=$CLASSPATH:$WORKSPACE/Tools/Jars/Common.jar
-export FRAMEWORK_TOOLS_PATH=$WORKSPACE/Tools/bin
-export PATH=$FRAMEWORK_TOOLS_PATH:$ANT_HOME/bin:$JAVA_HOME/bin:$PATH
-# In some unix-like system, following export is to export system's environment to user's environment
-export ANT_HOME=$ANT_HOME
-export JAVA_HOME=$JAVA_HOME
-export XMLBEANS_HOME=$XMLBEANS_HOME
-
-# Handle any particulars down here.
-case "`uname`" in
- CYGWIN*)
- # Convert paths to windows format.
- export WORKSPACE=`cygpath -w $WORKSPACE`
- export CLASSPATH=`cygpath -w -p $CLASSPATH`
+function SetWorkspace()
+{
+ #
+ # If WORKSPACE is already set, then we can return right now
+ #
+ export PYTHONHASHSEED=1
+ if [ -n "$WORKSPACE" ]
+ then
+ return 0
+ fi
+
+ if [ ! ${BASH_SOURCE[0]} -ef ./$SCRIPTNAME ] && [ -z "$PACKAGES_PATH" ]
+ then
+ echo Run this script from the base of your tree. For example:
+ echo " cd /Path/To/Edk/Root"
+ echo " . $SCRIPTNAME"
+ return 1
+ fi
+
+ #
+ # Check for BaseTools/BuildEnv before dirtying the user's environment.
+ #
+ if [ ! -f BaseTools/BuildEnv ] && [ -z "$EDK_TOOLS_PATH" ]
+ then
+ echo BaseTools not found in your tree, and EDK_TOOLS_PATH is not set.
+ echo Please point EDK_TOOLS_PATH at the directory that contains
+ echo the EDK2 BuildEnv script.
+ return 1
+ fi
+
+ #
+ # Set $WORKSPACE
+ #
+ export WORKSPACE=$PWD
+ return 0
+}
+
+function SetupEnv()
+{
+ if [ -n "$EDK_TOOLS_PATH" ]
+ then
+ . $EDK_TOOLS_PATH/BuildEnv
+ elif [ -f "$WORKSPACE/BaseTools/BuildEnv" ]
+ then
+ . $WORKSPACE/BaseTools/BuildEnv
+ elif [ -n "$PACKAGES_PATH" ]
+ then
+ PATH_LIST=$PACKAGES_PATH
+ PATH_LIST=${PATH_LIST//:/ }
+ for DIR in $PATH_LIST
+ do
+ if [ -f "$DIR/BaseTools/BuildEnv" ]
+ then
+ export EDK_TOOLS_PATH=$DIR/BaseTools
+ . $DIR/BaseTools/BuildEnv
+ break
+ fi
+ done
+ else
+ echo BaseTools not found in your tree, and EDK_TOOLS_PATH is not set.
+ echo Please check that WORKSPACE or PACKAGES_PATH is not set incorrectly
+ echo in your shell, or point EDK_TOOLS_PATH at the directory that contains
+ echo the EDK2 BuildEnv script.
+ return 1
+ fi
+}
+
+function SetupPython3()
+{
+ if [ $origin_version ];then
+ origin_version=
+ fi
+ for python in $(whereis python3)
+ do
+ python=$(echo $python | grep "[[:digit:]]$" || true)
+ python_version=${python##*python}
+ if [ -z "${python_version}" ] || (! command -v $python >/dev/null 2>&1);then
+ continue
+ fi
+ if [ -z $origin_version ];then
+ origin_version=$python_version
+ export PYTHON_COMMAND=$python
+ continue
+ fi
+ if [[ "$origin_version" < "$python_version" ]]; then
+ origin_version=$python_version
+ export PYTHON_COMMAND=$python
+ fi
+ done
+ return 0
+}
+
+function SetupPython()
+{
+ if [ $PYTHON_COMMAND ] && [ -z $PYTHON3_ENABLE ];then
+ if ( command -v $PYTHON_COMMAND >/dev/null 2>&1 );then
+ return 0
+ else
+ echo $PYTHON_COMMAND Cannot be used to build or execute the python tools.
+ return 1
+ fi
+ fi
+
+ if [ $PYTHON3_ENABLE ] && [ $PYTHON3_ENABLE == TRUE ]
+ then
+ SetupPython3
+ fi
+
+ if [ $PYTHON3_ENABLE ] && [ $PYTHON3_ENABLE != TRUE ]
+ then
+ if [ $origin_version ];then
+ origin_version=
+ fi
+ for python in $(whereis python2)
+ do
+ python=$(echo $python | grep "[[:digit:]]$" || true)
+ python_version=${python##*python}
+ if [ -z "${python_version}" ] || (! command -v $python >/dev/null 2>&1);then
+ continue
+ fi
+ if [ -z $origin_version ]
+ then
+ origin_version=$python_version
+ export PYTHON_COMMAND=$python
+ continue
+ fi
+ if [[ "$origin_version" < "$python_version" ]]; then
+ origin_version=$python_version
+ export PYTHON_COMMAND=$python
+ fi
+ done
+ return 0
+ fi
+
+ SetupPython3
+}
+
+function SourceEnv()
+{
+ SetWorkspace &&
+ SetupEnv
+ SetupPython
+}
+
+I=$#
+while [ $I -gt 0 ]
+do
+ case "$1" in
+ BaseTools)
+ # Ignore argument for backwards compatibility
+ shift
+ ;;
+ --reconfig)
+ RECONFIG=TRUE
+ shift