--- a/aclocal.m4	2021-06-22 12:41:51.023363588 -0700
+++ b/aclocal.m4	2021-06-22 12:41:24.975095945 -0700
@@ -934,7 +934,7 @@
   dnl library.

   AC_CACHE_CHECK([for $am_display_PYTHON version], [am_cv_python_version],
-    [am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write(sys.version[[:3]])"`])
+    [am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write('{0}.{1}'.format(sys.version_info.major, sys.version_info.minor))"
   AC_SUBST([PYTHON_VERSION], [$am_cv_python_version])

   dnl Use the values of $prefix and $exec_prefix for the corresponding

--- a/configure	2021-06-22 13:02:55.091950343 -0700
+++ b/configure	2021-06-22 13:02:18.690498544 -0700
@@ -12035,7 +12035,7 @@
 if ${am_cv_python_version+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write(sys.version[:3])"`
+  am_cv_python_version=`$PYTHON -c "import sys; sys.stdout.write('{0}.{1}'.format(sys.version_info.major, sys.version_info.minor))"`
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_version" >&5
 $as_echo "$am_cv_python_version" >&6; }