Re: [LTP] ltp 20040603 compile trouble on x86-64

[Robert W. <ro...@us...>]

ltp...@li... wrote on 06/30/2004 05:11:47 PM:

> When compiling ltp 20040603 on x86-64, I get a number
> of compile errors like the following:
>
> cc -Wall  -I../../include -g -Wall -I../../../../include -Wall
read01.c
> -L../../../../lib -lltp  -o read01
> read01.c:140: error: conflicting types for 'malloc'
> read01.c:140: error: conflicting types for 'malloc'
> make[4]: *** [read01] Error 1
>
> profil01.c:63: error: conflicting types for 'malloc'
> profil01.c:63: error: conflicting types for 'malloc'
> make[4]: *** [profil01] Error 1
> make[3]: *** [all] Error 2
>
> This makes me rather curious, why do these programs feel
> the need to redefine malloc ?
>
> Or, in the case of read01.c, do absurdities like the following?
>
> char fname[255], *malloc();
Yes...these were caught last month...I thought.

> ...
>     if ((s = malloc(READ_BLOCK_SIZE)) == NULL) {
>         tst_brkm(TBROK, cleanup,
>                  "malloc(%d) Failed, errno=%d : %s",
>                  READ_BLOCK_SIZE, errno, strerror(errno));
>     }
>
> That's right, it defines malloc as a char * (it's a void * in
> /usr/include/malloc.h) and not even an extern !!!
>
> You'll understand that this makes gcc rather unhappy...

Strange...my copy, as well as the latest CVS version, of
testcases/kernel/syscall/read01/read01.c doesn't
redefine malloc anymore and the logs show that it was fixed on 05/18.  You
might try updating from CVS....

>
> cheers,
>
> Rik
> --
> "Debugging is twice as hard as writing the code in the first place.
> Therefore, if you write the code as cleverly as possible, you are,
> by definition, not smart enough to debug it." - Brian W. Kernighan
>
>
>
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