configure: look for suitable pythonX.Y-config versions

Thanks to Greg Troxel for raising the issue.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>

diff --git a/config/configure b/config/configure
index 3506c54d51993f6ef2fb184d6e4ebb26eee9b827..f37cd904c6cc022cf4bb66c20ee86899f38ee93f 100755 (executable)
--- a/config/configure
+++ b/config/configure
@@ -80,6 +80,10 @@ if test "$BUP_PYTHON_CONFIG"; then
                          "$BUP_PYTHON_CONFIG")
     fi
 else
+    for py_maj_ver in 9 8 7 6; do
+        bup_python_config="$(bup_find_prog "python3.$py_maj_ver-config" '')"
+        test -z "$bup_python_config" || break
+    done
     test -z "$bup_python_config" \
         && bup_python_config="$(bup_find_prog python3-config '')"
     test -z "$bup_python_config" \