Re: Error cross compiling oprofile

On 05/05/2015 11:57 AM, Paul Fine wrote:
> Thanks for the quick reply Andrew.
> 
> unistd.h is being included in the build.  The only reference to pipe2() I
> find in unistd.h is:
> 
> /opt/CodeSourcery/Sourcery_G++_Lite/arm-none-linux-gnueabi/libc/usr/include/asm/
> 
>       #define __NR_pipe2 (__NR_SYSCALL_BASE+359)
> 
> and also in my linux kernel packages.
> 
> Is this macro suppose to resolve to pipe2()? Am I suppose to build glibc
> for my target?  I am not really sure what to do here.  I was able to build
> oprofile-0.9.8 once I was able to get the configure parameters for cross
> compile correct.

Clearly your libc headers are broken.  I don't know why, and will not
speculate!

I'd just do this:

   syscall(__NR_pipe2, int pipefd[2], int flags);

Andrew.


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