On 10/06/11 10:15, Michael Haubenwallner wrote:
> Hi Alan,
>
> On 10/06/2011 12:33 AM, Alan Hourihane wrote:
>> On 10/05/11 22:39, Jonathan Callen wrote:
>>> On 10/05/2011 03:01 PM, Alan Hourihane wrote:
>>>> On 10/04/11 11:24, Alan Hourihane wrote:
>>>>> On 10/04/11 11:21, Alan Hourihane wrote:
>>>>>> On 08/14/11 19:05, Alan Hourihane wrote:
>>>>>>> On 08/14/11 11:40, Fabian Groffen wrote:
>>>>>>>> On 07-07-2011 15:42:40 +0100, Alan Hourihane wrote:
>>>>>>>>> Hi all,
>>>>>>>>>
>>>>>>>>> Can someone replace the link the cmake eclass that says
>>>>>>>>> ....
>>>>>>>>>
>>>>>>>>> if use prefix; then
>>>>>>>>>
>>>>>>>>> to
>>>>>>>>>
>>>>>>>>> if use prefix && ! EPREFIX=; then
>>>>> if use prefix && "${EPREFIX}" != ""; then
>>>>>
>>>>> The above is better. Can this be committed ?
>>>>>
>>>> Actually this works for me.....
>>>> if use prefix && ! ${EPREFIX}; then
>>> I hope you meant:
>>>
>>> if use prefix && ! [[ ${EPREFIX} ]]; then
> Reading the different variants (without reading the cmake.eclass),
> these variants do give different results.
>
> Probably, you do want to fire that 'if' when "EPREFIX is not empty", right?

Right.

> Actually, the last one (as reported in [1]) does fire "when EPREFIX is empty".
>
> So you probably want:
>
> - if use prefix; then
> + if use prefix && [[ ${EPREFIX} ]]; then
>
> So - have you actually tried your reported variant?

It originally started out with

if use prefix && ! $EPREFIX=; then

which seemed to do the trick, but obviously hadn't tested it.

I'll re-test with your line above.

> <pointless optimization>
>   Given that EPREFIX is set with 'use prefix' only, it could also read:
>
>   - if use prefix; then
>   + if [[ ${EPREFIX} ]]; then
> </pointless optimization>
>

Shall I try this instead then ?

> OTOH: Do we support non-empty EPREFIX on FreeMiNT?
>

Yes.

Alan.

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