Re: test in a m4 macro and variable created from pushdef

[Vincent Torri]

On Thu, 9 Aug 2007, Eric Blake wrote:

> > AM_CONDITIONAL(BUILD_DRIVER_[]UP, test "x${use_]DOWN[}" = "xyes")
>
> Follow the quoting rule of thumb - if you don't want things expanded
> immediately, then use one level of [] per () to protect the argument
> collection scan, thereafter, use nested quotes to control how the
> expansion is parsed.  You want to make sure that UP and DOWN are
> independent tokens after the AM_CONDITIONAL is expanded, so this pattern
> should do it:
>
> AM_CONDITIONAL([BUILD_DRIVER_[]UP, test "x${use_[]DOWN}" = "xyes"])

hoo, you're right. my bad, i've not seen my error.

thank you !