audio/spectacle-lv2: fix build on powerpc64*

ori 0,0,0 is the noop instruction on powerpc64*.

1 files changed, 13 insertions, 0 deletions

diff --git a/audio/spectacle-lv2/files/patch-thirdparty_spin__mutex_src_SpinLoopPause.h b/audio/spectacle-lv2/files/patch-thirdparty_spin__mutex_src_SpinLoopPause.h
new file mode 100644
index 000000000000..3c34a14e9143
--- /dev/null
+++ b/audio/spectacle-lv2/files/patch-thirdparty_spin__mutex_src_SpinLoopPause.h
@@ -0,0 +1,13 @@
+--- thirdparty/spin_mutex/src/SpinLoopPause.h.orig	2021-05-18 17:31:07 UTC
++++ thirdparty/spin_mutex/src/SpinLoopPause.h
+@@ -32,6 +32,10 @@ static inline void spin_loop_pause() noexcept {
+     asm volatile ("nop" ::: "memory");
+ #endif
+ }
++#elif defined(__powerpc64__)
++static inline void spin_loop_pause() noexcept {
++    asm volatile("ori 0,0,0" ::: "memory");
++}
+ #else
+ #error "Unknown CPU architecture."
+ #endif