> Backporting within gnulib-common.m4 itself won't work - we have to > redefine AC_DEFUN_ONCE before any other gnulib .m4 file that uses it to > define another macro.
Since it is just two lines of code, we can just use the same AC_DEFUN([...], [AC_REQUIRE([$0_BODY])]) AC_DEFUN([$0_BODY], [...]) scheme (that gnulib already uses) throughout macros that need it. Otherwise, I think either 00gnulib.m4 or !!gnulib.m4 would be good names. Paolo
