gnulib-tool: avoid warnings from using obsolete AC_GNU_SOURCE
authorEric Blake <ebb9@byu.net>
Wed, 21 Jan 2009 16:55:55 +0000 (09:55 -0700)
committerEric Blake <ebb9@byu.net>
Wed, 21 Jan 2009 16:55:55 +0000 (09:55 -0700)
* gnulib-tool (func_dest_tmpfilename, func_create_testdir): Using
obsolete AC_GNU_SOURCE causes out-of-order expansion; avoid it,
and rely solely on gl_USE_SYSTEM_EXTENSIONS.

Signed-off-by: Eric Blake <ebb9@byu.net>

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