Re: How to test if a variable is something or empty?

[Peng Yu]

On Fri, Oct 24, 2008 at 4:37 PM, Philip Guenther <address@hidden> wrote:
> On Fri, Oct 24, 2008 at 1:59 PM, Peng Yu <address@hidden> wrote:
>> I have the following code. I'm wondering how to put them together into
>> one if statement?
>>
>> ifeq ($(MAKECMDGOALS), all)
>> -include .dep
>> endif
>>
>> ifeq ($(MAKECMDGOALS), )
>> -include .dep
>> endif
>
> Don't you _really_ want to test whether they are doing a "make clean"?  If so:
>
> # don't include .dep if they're doing a make clean
> ifeq ($(filter clean,$(MAKECMDGOALS)),)
>  -include .dep
> endif
>
> If there are other fake targets that should disable .dep inclusion,
> just include them in the first argument to $(filter)

No. I'm not asking how to make clean. I just want to know how to
combine the two if statements. The commands inside each if statements
can be anything, but they are the same.

ifeq ($(MAKECMDGOALS), all)
some command
endif

ifeq ($(MAKECMDGOALS), )
same as above command
endif

Thanks,
Peng