Re: getpagesize() problems

On Sun, August 9, 2009 11:26, Michele Alberti wrote:
>>> This works fine for me (apart from the fact that sys/user.h does not
>>> exist for dietlibc and PAGE_SIZE is defined in sys/shm.h).
>>
>> it works for you?! Maybe i'm not good in compiling and linking with
>> non-standard tools.
>> I'm telling this because I tried to use sys/shm.h but it gives me
>> error: PAGE_SIZE undeclared.
>> This is the command I made to compile and link:
>>
>> $cc -static -o pagesize pagesize.c -nostdlib ../dietlibc.a -lgcc
>> /usr/bin/ld warns me that it can not find the _start symbol.
>> Running that example segfault immediately.
>>
>> So I tried the other example, ld warns me again, but the example works well.
>
> I also try to use your "diet" wrapper and all the examples code work
> well. The command:
>
> $./diet gcc -o pagesize pagesize.c
>
> ***But I have to use the other way, not with the "diet" wrapper, but
> with the "dietlibc.a" library.***

You probably also need to link in dietlibc's start.o. Run diet with the -v
option to see which options are needed.

Greetings,

Indan