symver_if_any="symver_asm_label symver_gnu_asm"
+# threading support
+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="$ATOMICS_LIST"
+threads_if_any="$THREADS_LIST"
+
# subsystems
dct_select="rdft"
error_resilience_select="dsputil"
disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
-enabled sync_val_compare_and_swap && enable atomics_gcc
-enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
-enabled MemoryBarrier && enable atomics_win32
-
check_lib math.h sin -lm && LIBM="-lm"
enabled vaapi && require vaapi va/va.h vaInitialize -lva
;;
esac
-enabled_any $THREADS_LIST && enable threads
-enabled_any $ATOMICS_LIST && enable atomics_native
-
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
check_deps $CONFIG_LIST \