[tools] scons: wrap python invocations with helper script that attempts to find a non-3.x python

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31742 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 15 insertions, 0 deletions

diff --git a/tools/scons/files/pywrap.sh b/tools/scons/files/pywrap.sh
new file mode 100755
index 0000000000..336ea21c19
--- /dev/null
+++ b/tools/scons/files/pywrap.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+case "${0##*/}" in
+	pywrap.sh) arg1="";;
+	*) arg1="$0.py" ;;
+esac
+
+for bin in python2.7 python2.6 python2.5 python2.4 python2 python; do
+    case "$($bin -V 2>&1)" in
+        "Python 2"*) exec $bin $arg1 "$@" ;;
+    esac
+done
+
+echo "Unable to find a Python 2.x interpreter for executing ${arg1:+$arg1 }$@ !" >&2
+exit 1