X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=edksetup.sh;h=c7b2e1e2010aa46af1332c85281df9d0ca9bf68f;hp=ec54f9ea4058aa131e268caf807bf16f73a775c9;hb=21d9dc21f81828538af02ca9c2d86a36551b0771;hpb=c112e371ce0aa40204fc9a1674cd2e0df0d743c8

diff --git a/edksetup.sh b/edksetup.sh
index ec54f9ea40..c7b2e1e201 100755
--- a/edksetup.sh
+++ b/edksetup.sh
@@ -1,13 +1,7 @@
 #
 # Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
 # Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-# 
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 # In *inux environment, the build tools's source is required and need to be compiled
 # firstly, please reference https://github.com/tianocore/tianocore.github.io/wiki/SourceForge-to-Github-Quick-Start
@@ -49,12 +43,13 @@ 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 ./edksetup.sh ]
+  if [ ! ${BASH_SOURCE[0]} -ef ./edksetup.sh ] && [ -z "$PACKAGES_PATH" ]
   then
     echo Run this script from the base of your tree.  For example:
     echo "  cd /Path/To/Edk/Root"
@@ -77,7 +72,6 @@ function SetWorkspace()
   # Set $WORKSPACE
   #
   export WORKSPACE=`pwd`
-
   return 0
 }
 
@@ -90,7 +84,7 @@ function SetupEnv()
   then
     . $WORKSPACE/BaseTools/BuildEnv
   elif [ -n "$PACKAGES_PATH" ]
-  then 
+  then
     PATH_LIST=$PACKAGES_PATH
     PATH_LIST=${PATH_LIST//:/ }
     for DIR in $PATH_LIST
@@ -111,10 +105,83 @@ function SetupEnv()
   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=$python
+        continue
+      fi
+      ret=`echo "$origin_version < $python_version" |bc`
+      if [ "$ret" -eq 1 ]; 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=$python
+        continue
+      fi
+      ret=`echo "$origin_version < $python_version" |bc`
+      if [ "$ret" -eq 1 ]; then
+        origin_version=$python_version
+        export PYTHON_COMMAND=$python
+      fi
+    done
+    return 0
+  fi
+
+  SetupPython3
+}
+
 function SourceEnv()
 {
   SetWorkspace &&
   SetupEnv
+  SetupPython
 }
 
 I=$#