From f7934be8f6bb5f47def626af7bd9098e8fb3e950 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 2 Nov 2012 11:19:27 -0700 Subject: Require an exact Autoconf version. --- aclocal.m4 | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'aclocal.m4') diff --git a/aclocal.m4 b/aclocal.m4 index 60a5fea279..3e61dc83f3 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,3 +1,13 @@ +dnl We require that everyone use exactly the same Autoconf version so that +dnl the internal functions defined and used by the main configure script +dnl match those expected by the fragments. +m4_define([GLIBC_AUTOCONF_VERSION], [2.68]) +m4_if(m4_defn([AC_AUTOCONF_VERSION]), GLIBC_AUTOCONF_VERSION, [], + [m4_fatal(m4_flatten( +Exactly version GLIBC_AUTOCONF_VERSION of Autoconf is required but you have +m4_defn([AC_AUTOCONF_VERSION]) +), [63])])dnl +dnl dnl We define the macro GLIBC_PROVIDES to do an AC_PROVIDE for each macro dnl which appears in configure.in before the sysdep configure scripts are run. dnl Each sysdep configure.in does GLIBC_PROVIDES first, to avoid any -- cgit 1.4.1