(no subject)

Dear GNU make experts,

Do you know why

> default:
>    g=$(basename file.ext); \
>    /bin/echo g=$$g;

produces "g=file", while

> default:
>    f=file.ext; \
>    g=$(basename $$f); \
>    /bin/echo g=$$g;

"g=file.ext".

How to extract the basename of $f in the second case?

Thank you in advence,
Val.


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> Dear GNU make experts,
>
> Do you know why
>
>> default:
>>    g=$(basename file.ext); \
>>    /bin/echo g=$$g;
>
> produces "g=file", while
>
>> default:
>>    f=file.ext; \
>>    g=$(basename $$f); \
>>    /bin/echo g=$$g;
>
> "g=file.ext".
>
> How to extract the basename of $f in the second case?
>
> Thank you in advence,
> Val.


It needs another $:

...
     g=$$(basename $$f); \
     ...

So that it gets passed to the shell as $(basename $f).

$(basename ...) is GNU make's basename function, while you
want the Unix
basename and command-substitution, which is $$(basename
...).

Thanks,
Lee


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