Re: multithread CPPFLAGS

[Yoann Vandoorselaere]

Le jeudi 21 août 2008 à 12:28 +0200, Bruno Haible a écrit :
> Yoann Vandoorselaere wrote:
> > Most program using the library currently don't (and probably won't)
> > depend on GnuLib. They are not multithread programs, and in order to
> > enable the library threaded features, we have to export correct
> > CFLAGS/LIBS to theses application so that they can compile with
> > threading enabled.
> 
> I agree regarding LIBS, but not regarding CPPFLAGS. If the program only
> ever sees one thread, even though the library uses multiple threads behind
> its back,
>   - it does not need to #include <pthread.h>, and

I agree on this one.

>   - it does not need to see a thread-aware errno,
> hence it does not need to compile with THREADCPPFLAGS.

Not using a thread-aware errno from an application that indirectly use
thread through a library (which use thread-aware errno). Are you
completely sure this is safe?

-- 
Yoann Vandoorselaere <address@hidden>