Module: libav Branch: master Commit: 874c751cc5b99cd68932e21c2c3a0d21134207e0
Author: Diego Biurrun <[email protected]> Committer: Diego Biurrun <[email protected]> Date: Wed Dec 18 22:29:25 2013 +0100 threads: Check w32threads dependencies at the configure stage Also add warning comment about threading implementations without matching atomics implementation to the atomics fallback implementation. --- configure | 1 + libavutil/atomic.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/configure b/configure index 292da47..841c39a 100755 --- a/configure +++ b/configure @@ -1606,6 +1606,7 @@ atomics_gcc_if="sync_val_compare_and_swap" atomics_suncc_if="atomic_cas_ptr machine_rw_barrier" atomics_win32_if="MemoryBarrier" atomics_native_if_any="$ATOMICS_LIST" +w32threads_deps="atomics_native" threads_if_any="$THREADS_LIST" # subsystems diff --git a/libavutil/atomic.c b/libavutil/atomic.c index e4fa957..8374039 100644 --- a/libavutil/atomic.c +++ b/libavutil/atomic.c @@ -97,8 +97,11 @@ void *avpriv_atomic_ptr_cas(void * volatile *ptr, void *oldval, void *newval) return *ptr; } -#else +#else /* HAVE_THREADS */ +/* This should never trigger, unless a new threading implementation + * without correct atomics dependencies in configure or a corresponding + * atomics implementation is added. */ #error "Threading is enabled, but there is no implementation of atomic operations available" #endif /* HAVE_PTHREADS */ _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
