From 578b7a84944132b0b6f003c6a65c2697025c093d Mon Sep 17 00:00:00 2001
From: Rich Mattes <richmattes@gmail.com>
Date: Aug 26 2021 01:06:19 +0000
Subject: Add eigen3-3.4 ppc64 LTO error workaround


---

diff --git a/pcl.spec b/pcl.spec
index 924e75c..67a0a57 100644
--- a/pcl.spec
+++ b/pcl.spec
@@ -106,7 +106,11 @@ sed -i 's|@PCL_SOURCE_DIR@/build|@PCL_SOURCE_DIR@/%{_vpath_builddir}|' doc/doxyg
 # esp. on ARM builders)
 %global optflags %(echo %{optflags} | sed -e 's/-g /-g1 /' -e 's/-pipe //' -e's/-ffat-lto-objects/-fno-fat-lto-objects/')
 
+# Disable Altivec MMA to work around eigen3-3.4/GCC issue
+# rhbz#1996330
 %cmake \
+  -DCMAKE_C_FLAGS_INIT=-DEIGEN_ALTIVEC_DISABLE_MMA \
+  -DCMAKE_CXX_FLAGS_INIT=-DEIGEN_ALTIVEC_DISABLE_MMA \
   -DCMAKE_BUILD_TYPE=None \
   -DWITH_DOCS=ON \
   -DWITH_CUDA=OFF \