[PATCH 2/2] configure.ac: consistently require the same Python version

[<dor...@gm...>]

From: Doron Behar <dor...@gm...>

---
 configure.ac | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 99cdef09..86f5b6af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,10 +45,11 @@ AC_CHECK_PROG([DOXYGEN],[doxygen],[yes],[no])
 AM_CONDITIONAL(HAVE_DOXYGEN, test x$DOXYGEN = xyes)
 LT_INIT([disable-static])
 
+m4_define([PYTHON_MIN_VERSION], [3.7])
 # Try the 'm' (malloc/abiflags) version first, fallback to standard python3
-PKG_CHECK_MODULES([PYTHON], [python3m >= 3.7], [pkg_cv_python_name="python3m"], [
-    PKG_CHECK_MODULES([PYTHON], [python3 >= 3.7], [pkg_cv_python_name="python3"], [
-        AC_MSG_WARN([No python package found >= 3.1 (missing devel package?)])
+PKG_CHECK_MODULES([PYTHON], [python3m >= [PYTHON_MIN_VERSION,] [pkg_cv_python_name="python3m"], [
+    PKG_CHECK_MODULES([PYTHON], [python3 >= [PYTHON_MIN_VERSION,] [pkg_cv_python_name="python3"], [
+        AC_MSG_WARN([No python package found >= [PYTHON_MIN_VERSION] (missing devel package?)])
     ])
 ])
 AS_IF([test -n "$PYTHON_CFLAGS"], [
-- 
2.54.0