Fix build on ppc64le.

1572.patch

@@ -0,0 +1,23 @@
+From 961d25e9c7e4a1758adb1dbeaa15187de69dd052 Mon Sep 17 00:00:00 2001
+From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
+Date: Wed, 23 May 2018 22:54:39 +0200
+Subject: [PATCH] Use the new zrot.c on POWER8 for crot as well
+
+fixes #1571 (the old zrot.S assembly does not handle incx=0 correctly)
+---
+ kernel/power/KERNEL.POWER8 | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/kernel/power/KERNEL.POWER8 b/kernel/power/KERNEL.POWER8
+index 00ff8682a..1aa061078 100644
+--- a/kernel/power/KERNEL.POWER8
++++ b/kernel/power/KERNEL.POWER8
+@@ -133,7 +133,7 @@ ZNRM2KERNEL  = ../arm/znrm2.c
+ #
+ SROTKERNEL   = srot.c
+ DROTKERNEL   = drot.c
+-#CROTKERNEL   = ../arm/zrot.c
++CROTKERNEL   = zrot.c
+ ZROTKERNEL   = zrot.c
+ #
+ SSCALKERNEL  = sscal.c

openblas.spec

@@ -29,6 +29,8 @@ Patch1:         openblas-0.2.5-libname.patch
 Patch2:         openblas-0.2.15-constructor.patch
 # Supply the proper flags to the test makefile
 Patch3:         openblas-0.2.19-tests.patch
+# Upstream pull 1572, fixes fail on ppc64le
+Patch4:         1572.patch
 
 BuildRequires:  gcc
 BuildRequires:  gcc-gfortran
@@ -228,6 +230,7 @@ cd OpenBLAS-%{version}
 %patch2 -p1 -b .constructor
 %endif
 %patch3 -p1 -b .tests
+%patch4 -p1 -b .ppc64le
 
 # Fix source permissions
 find -name \*.f -exec chmod 644 {} \;