commit 23c0192166760b0d73bd39252ca72e3cfe596f6e
author Bram Moolenaar <Bram@vim.org> Fri May 21 11:43:58 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Fri May 21 11:43:58 2021 +0200
tree ed5100072cc4bc2f498bf0de571c49e65f31ec8a
parent 5cf94577cf2045fec87344d7d89422fe6dfce62f

patch 8.2.2876: configure cannot detect Python 3.10

Problem:    Configure cannot detect Python 3.10.
Solution:   Use sys.version_info. (closes #8233)

src/configure.ac

diff --git a/src/configure.ac b/src/configure.ac
index cc8d61f..2db0449 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1436,7 +1436,7 @@
     dnl -- get its version number
     AC_CACHE_CHECK(Python version,vi_cv_var_python3_version,
     [[vi_cv_var_python3_version=`
-          ${vi_cv_path_python3} -c 'import sys; print(sys.version[:3])'`
+          ${vi_cv_path_python3} -c 'import sys; print("{}.{}".format(sys.version_info.major, sys.version_info.minor))'`
     ]])
 
     dnl -- it must be at least version 3