Re: Support versions of autoconf prior to 2.59c.

[Jim Meyering]

Jim Meyering <address@hidden> wrote:

> I discovered that gnulib-tool requires autoconf-2.59c or newer
> for autoconf's m4_foreach_w macro.  This change lets
> gnulib-tool work also with autoconf-2.59.
>
> This was necessary for libvirt, when running their ./autogen.sh
> script on a RHEL5 system, which has autoconf-2.59:
>   http://thread.gmane.org/gmane.comp.emulators.libvirt/4115
>
> Here's the patch:
>
>       Support versions of autoconf prior to 2.59c.
>       * gnulib-tool (func_emit_initmacro_done): Define m4_foreach_w
>       if it is not already defined.

Sorry about that.
There was a syntax error (missing close-quote) in my first patch.

diff --git a/gnulib-tool b/gnulib-tool
index 5d3a785..f071d73 100755
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -1963,6 +1963,13 @@ func_emit_initmacro_done ()
   echo "  AS_LITERAL_IF([\$1], [${macro_prefix}_LIBSOURCES([\$1.c])])dnl"
   echo "  ${macro_prefix}_LIBOBJS=\"\$${macro_prefix}_LIBOBJS 
\$1.\$ac_objext\""
   echo "])"
+
+  echo "# m4_foreach_w is provided by autoconf-2.59c and later."
+  echo "# This definition is to accommodate developers using versions"
+  echo "# of autoconf older than that."
+  echo "m4_ifndef([m4_foreach_w],"
+  echo "  [m4_define([m4_foreach_w],"
+  echo "    [m4_foreach([\$1], m4_split(m4_normalize([\$2]), [ ]), [\$3])])])"
   echo
   echo "# Like AC_REPLACE_FUNCS, except that the module name goes"
   echo "# into ${macro_prefix}_LIBOBJS instead of into LIBOBJS."
--
1.5.3.7.1006.g8c6a6