ardour: fix build on ppc64

srcpkgs/ardour/patches/ppc64.patch

@@ -0,0 +1,22 @@
+From 2a456c19214ce82c257a222e8de31af6113aa8d7 Mon Sep 17 00:00:00 2001
+From: Nils Philippsen <nils@tiptoe.de>
+Date: Wed, 3 Jun 2020 10:23:03 +0200
+Subject: [PATCH] Add `cycles_t` type definition on ppc64
+
+Signed-off-by: Nils Philippsen <nils@tiptoe.de>
+---
+ libs/ardour/ardour/cycles.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/libs/ardour/ardour/cycles.h b/libs/ardour/ardour/cycles.h
+index 646dd9d67a..ee0f926534 100644
+--- libs/ardour/ardour/cycles.h
++++ libs/ardour/ardour/cycles.h
+@@ -74,6 +74,7 @@ static inline cycles_t get_cycles (void)
+ 
+ #elif defined(__powerpc64__)
+ 
++typedef uint64_t cycles_t;
+ static inline cycles_t get_cycles(void)
+ {
+ #warning You are compiling libardour on a platform for which ardour/cycles.h needs work