[Mesa-dev] [PATCH v2 3/5] configure: Enforce python 2.7.x

[Dylan Baker]

We don't want to support older versions of python 2 anymore, and we
don't support python 3.x in autotools currently.
---
 configure.ac | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.ac b/configure.ac
index c2155a541b0..78672734d06 100644
--- a/configure.ac
+++ b/configure.ac
@@ -162,6 +162,13 @@ if test -z "$PYTHON2"; then
         AC_MSG_ERROR([Python not found - unable to generate sources])
     fi
 else
+    PYTHON_VERSION=`$PYTHON2 --version |& awk '{print $2}'`  dnl Yes, python2 prints it's version to stderr
+    PYTHON_MAJOR=`echo $PYTHON_VERSION | cut -d . -f 1`
+    PYTHON_MINOR=`echo $PYTHON_VERSION | cut -d . -f 2`
+    if test $PYTHON_MAJOR -ne 2 -o $PYTHON_MINOR -ne 7; then
+        AC_MSG_ERROR([Python version 2.7.x not found - unable to generate sources])
+    fi
+
     if test "x$acv_mako_found" = xno; then
         if test ! -f "$srcdir/src/mesa/main/format_unpack.c"; then
             AC_MSG_ERROR([Python mako module v$PYTHON_MAKO_REQUIRED or higher not found])
-- 
2.18.0