configure: allow specifying location of python executable

Because openbsd/netbsd don't have a 'python' in the PATH unless the user
creates the symlink explicitly.

1 files changed, 7 insertions, 1 deletions

diff --git a/configure b/configure
index c7607f54..fb9effca 100755
--- a/configure
+++ b/configure
@@ -684,14 +684,20 @@ if [ "$skype" = "1" -o "$skype" = "plugin" ]; then
 	protocols_mods="$protocol_mods skype(plugin)"
 fi
 
+if [ -z "$PYTHON" ]; then
+	PYTHON=python
+fi
+
 if [ "$doc" = "1" ]; then
 	# check this here just in case someone tries to install it in python2.4...
-	if ! python -m xml.etree.ElementTree > /dev/null 2>&1; then
+	if ! $PYTHON -m xml.etree.ElementTree > /dev/null 2>&1; then
 		echo
 		echo 'ERROR: Python (>=2.5 or 3.x) is required to generate docs'
+		echo "(Use the PYTHON environment variable if it's in a weird location)"
 		exit 1
 	fi
 	echo "DOC=1" >> Makefile.settings
+	echo "PYTHON=$PYTHON" >> Makefile.settings
 fi
 
 get_version