audio/csound: fix build on powerpc*

PR:		236315
Submitted by:	Piotr Kubaj <pkubaj@anongoth.pl>

1 files changed, 32 insertions, 0 deletions

diff --git a/audio/csound/files/patch-OOps_pffft.c b/audio/csound/files/patch-OOps_pffft.c
new file mode 100644
index 000000000000..101639a99992
--- /dev/null
+++ b/audio/csound/files/patch-OOps_pffft.c
@@ -0,0 +1,32 @@
+--- OOps/pffft.c.orig	2019-03-05 17:24:02 UTC
++++ OOps/pffft.c
+@@ -63,6 +63,9 @@
+ #include <stdio.h>
+ #include <assert.h>
+ #include <stdint.h>
++#if !defined(PFFFT_SIMD_DISABLE) && (defined(__ppc__) || defined(__ppc64__))
++#include <altivec.h>
++#endif
+ 
+ /* detect compiler flavour */
+ #if defined(_MSC_VER)
+@@ -114,8 +117,8 @@ inline v4sf ld_ps1(const float *p) { v4sf v=vec_lde(0,
+ #  define LD_PS1(p) ld_ps1(&p)
+ #  define INTERLEAVE2(in1, in2, out1, out2) { v4sf tmp__ = vec_mergeh(in1, in2); out2 = vec_mergel(in1, in2); out1 = tmp__; }
+ #  define UNINTERLEAVE2(in1, in2, out1, out2) {                           \
+-    vector unsigned char vperm1 =  (vector unsigned char)(0,1,2,3,8,9,10,11,16,17,18,19,24,25,26,27); \
+-    vector unsigned char vperm2 =  (vector unsigned char)(4,5,6,7,12,13,14,15,20,21,22,23,28,29,30,31); \
++    vector unsigned char vperm1 =  (vector unsigned char){0,1,2,3,8,9,10,11,16,17,18,19,24,25,26,27}; \
++    vector unsigned char vperm2 =  (vector unsigned char){4,5,6,7,12,13,14,15,20,21,22,23,28,29,30,31}; \
+     v4sf tmp__ = vec_perm(in1, in2, vperm1); out2 = vec_perm(in1, in2, vperm2); out1 = tmp__; \
+   }
+ #  define VTRANSPOSE4(x0,x1,x2,x3) {              \
+@@ -128,7 +131,7 @@ inline v4sf ld_ps1(const float *p) { v4sf v=vec_lde(0,
+     x2 = vec_mergeh(y1, y3);                    \
+     x3 = vec_mergel(y1, y3);                    \
+   }
+-#  define VSWAPHL(a,b) vec_perm(a,b, (vector unsigned char)(16,17,18,19,20,21,22,23,8,9,10,11,12,13,14,15))
++#  define VSWAPHL(a,b) vec_perm(a,b, (vector unsigned char){16,17,18,19,20,21,22,23,8,9,10,11,12,13,14,15})
+ #  define VALIGNED(ptr) ((((uintptr_t)(ptr)) & 0xF) == 0)
+ 
+ /*