Re: `CHECK_LIB', `CHECK_FUNC' and macros

[Steven G. Johnson]

Ludovic Courtès wrote:
> Hi again,
>
> Both `AC_CHECK_LIB' and `AC_CHECK_FUNC' check whether a *symbol* can be
> found in the given library (or in one of `$LIBS').  However, on Tru64
> UNIX 5.1 (aka. Digital UNIX, OSF1, ...) <pthread.h> does the following:
>
>   #define pthread_create __pthread_create

Note that pthreads are generally quite painful to detect properly on a 
wide variety of systems, since there is wide variety in flags etc.; you 
might want to use my ACX_PTHREAD macro at the autoconf macro repository.

Steven