Avoid some autoconf warnings.
* m4/regex.m4 (gl_REGEX): s/AC_HELP_STRING/AS_HELP_STRING/.
+ * m4/acl.m4 (gl_FUNC_ACL): Likewise.
+ * m4/afs.m4 (gl_AFS): Likewise.
+ * m4/gc-random.m4 (gl_GC_RANDOM): Likewise.
* m4/include_next.m4 (gl_INCLUDE_NEXT): s/AC_FOREACH/m4_foreach_w/.
+ * m4/absolute-header.m4 (gl_ABSOLUTE_HEADER): Likewise.
+ * m4/stdint.m4 (gl_STDINT_BITSIZEOF, gl_CHECK_TYPES_SIGNED)
+ (gl_INTEGER_TYPE_SUFFIX): Likewise.
+ * m4/onceonly_2_57.m4 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE)
+ (AC_CHECK_DECLS_ONCE): Likewise.
+ Rename file...
+ * m4/onceonly.m4: ...to this, and delete 2.54 variant, now that
+ gnulib-tool requires autoconf 2.59 or better.
+ * gnulib-tool (func_get_filelist): s/\(onceonly\)_2_57.m4/\1.m4/.
2008-04-08 Eric Blake <ebb9@byu.net>