Index: head/math/sleef/Makefile
===================================================================
--- head/math/sleef/Makefile
+++ head/math/sleef/Makefile
@@ -18,4 +18,12 @@
 USE_GITHUB=	yes
 GH_ACCOUNT=	shibatch
 
+.include <bsd.port.options.mk>
+
+.if ${ARCH} == powerpc64
+PLIST_SUB+=	NO_PPC64="@comment "
+.else
+PLIST_SUB+=	NO_PPC64=""
+.endif
+
 .include <bsd.port.mk>
Index: head/math/sleef/files/patch-src_libm-tester_tester3.c
===================================================================
--- head/math/sleef/files/patch-src_libm-tester_tester3.c
+++ head/math/sleef/files/patch-src_libm-tester_tester3.c
@@ -0,0 +1,14 @@
+--- src/libm-tester/tester3.c.orig	2019-07-26 21:42:15 UTC
++++ src/libm-tester/tester3.c
+@@ -71,9 +71,9 @@ static INLINE float getsvfloat32_t(svfloat32_t v, int 
+ #endif
+ 
+ #ifdef __VSX__
+-static INLINE vector_double setvector_double(double d, int r) { double a[2]; memrand(a, sizeof(a)); a[r & 1] = d; return (vector double) ( a[0], a[1] ); }
++static INLINE vector_double setvector_double(double d, int r) { double a[2]; memrand(a, sizeof(a)); a[r & 1] = d; return (vector double) { a[0], a[1] }; }
+ static INLINE double getvector_double(vector double v, int r) { double a[2]; return unifyValue(v[r & 1]); }
+-static INLINE vector_float setvector_float(float d, int r) { float a[4]; memrand(a, sizeof(a)); a[r & 3] = d; return (vector float) ( a[0], a[1], a[2], a[3] ); }
++static INLINE vector_float setvector_float(float d, int r) { float a[4]; memrand(a, sizeof(a)); a[r & 3] = d; return (vector float) { a[0], a[1], a[2], a[3] }; }
+ static INLINE float getvector_float(vector float v, int r) { float a[4]; return unifyValuef(v[r & 3]); }
+ #endif
+ 
Index: head/math/sleef/pkg-plist
===================================================================
--- head/math/sleef/pkg-plist
+++ head/math/sleef/pkg-plist
@@ -6,6 +6,6 @@
 lib/libsleefdft.so
 lib/libsleefdft.so.3
 lib/libsleefdft.so.3.4.0
-lib/libsleefgnuabi.so
-lib/libsleefgnuabi.so.3
-lib/libsleefgnuabi.so.3.4
+%%NO_PPC64%%lib/libsleefgnuabi.so
+%%NO_PPC64%%lib/libsleefgnuabi.so.3
+%%NO_PPC64%%lib/libsleefgnuabi.so.3.4