[Monotone-devel] Re: [patch] acx_pthread.m4 and ac_compile_check_sizeof.m4

[Peter Simons]

Richard Levitte writes:

 > Considering monotone doesn't use threads at all, I'm
 > surprised acx_pthread.m4 is there at all!

The configure script checks for pthread_mutex_lock() because:

 | # We don't use threads, but some Boost libraries make locking calls
 | # anyway.  So we need to ensure that these symbols are available.  But
 | # It's okay if they're just stubs.

ACX_PTHREAD is used as a fallback, it usually won't be run. I
don't know whether having ACX_PTHREAD is strictly necessary, but
it feels like there is little to lose by having it.

Peter