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-rwxr-xr-xconfigure1
-rw-r--r--libavutil/atomic.c5
2 files changed, 5 insertions, 1 deletions
diff --git a/configure b/configure
index 18e8c4fc55..71b30a4760 100755
--- a/configure
+++ b/configure
@@ -1859,6 +1859,7 @@ 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 b7b3872d6c..1fa6308630 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 */