1 files changed, 20 insertions, 0 deletions

diff --git a/scripts/oe-buildenv-internal b/scripts/oe-buildenv-internal
index 644df8f30c..a33698c5ba 100755
--- a/scripts/oe-buildenv-internal
+++ b/scripts/oe-buildenv-internal
@@ -29,6 +29,26 @@ if [ ! -z "$OECORE_SDK_VERSION" ]; then
     return 1
 fi
 
+# Make sure we're not using python v3.x. This check can't go into
+# sanity.bbclass because bitbake's source code doesn't even pass
+# parsing stage when used with python v3, so we catch it here so we
+# can offer a meaningful error message.
+py_v3_check=`/usr/bin/env python --version 2>&1 | grep "Python 3"`
+if [ "$py_v3_check" != "" ]; then
+        echo "Bitbake is not compatible with python v3"
+        echo "Please set up python v2 as your default python interpreter"
+        exit 1
+fi
+
+# Similarly, we now have code that doesn't parse correctly with older
+# versions of Python, and rather than fixing that and being eternally
+# vigilant for any other new feature use, just check the version here.
+py_v26_check=`python -c 'import sys; print sys.version_info >= (2,6,0)'`
+if [ "$py_v26_check" != "True" ]; then
+        echo "BitBake requires Python 2.6 or later"
+        exit 1
+fi
+
 if [ "x$BDIR" = "x" ]; then
     if [ "x$1" = "x" ]; then
         BDIR="build"