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-rw-r--r--configure.in10
1 files changed, 9 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 2876eb9..f503a09 100644
--- a/configure.in
+++ b/configure.in
@@ -6,8 +6,16 @@ dnl NOTE: autoconf 2.64 doesn't seem to work (use 2.61).
# Set VERSION so we only need to edit in one place (i.e., here)
m4_define(PYTHON_VERSION, 3.2)
+dnl Some m4 magic to ensure that the configure script is generated
+dnl by the correct autoconf version.
+m4_define([version_required],
+[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [$1]), 0,
+ [],
+ [m4_fatal([Autoconf version $1 is required for Python], 63)])
+])
+version_required(2.61)
+
AC_REVISION($Revision$)
-AC_PREREQ(2.61)
AC_INIT(python, PYTHON_VERSION, http://bugs.python.org/)
AC_CONFIG_SRCDIR([Include/object.h])
AC_CONFIG_HEADER(pyconfig.h)