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Re: [PATCH, v3] Potential solution to librt issue.
On Thu, Jul 24, 2008 at 1:24 AM, Paolo Bonzini <bonzini@gnu.org> wrote:
>
>> If I'm reading this right, libstdc++ now requires librt to link.
>
> I'm afraid you are.
>
>> First of all, I think this will g++ -static. The compiler knows about
>> the previous libm dependency, but not the new librt dependency.
>
> Ok, this is a minor problem.
>
>> Second of all, linking in librt on Linux also requires libpthread;
>> this is going to make all C++ programs link in libpthread, which
>> activates locking in glibc (a major overhead for single-threaded
>> programs).
>
> But this is not. It might even be a no-no for using clock_gettime AFAICT.
> Where is the pointer to the "librt issue"? I didn't find it in the
> libstdc++ archives.
Starts about third post in:
http://www.nabble.com/Arithmetic-type-emulator-helper-class-for-testcases.-td18403099.html
The only issue I see with removing clock_gettime is that I'm not sure
if posix systems have other options for a monotoic clock.
Chris
>
> Paolo
>