From 8dbddeea403fe7a7cb56e8064da54546253addb8 Mon Sep 17 00:00:00 2001
From: Jeff Law <law@redhat.com>
Date: Wed, 1 Jul 2020 12:32:59 -0600
Subject: [PATCH] Disable LTO

---
 lksctp-tools.spec | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lksctp-tools.spec b/lksctp-tools.spec
index a50d30d..16a641d 100644
--- a/lksctp-tools.spec
+++ b/lksctp-tools.spec
@@ -1,7 +1,7 @@
 Name:    lksctp-tools
 Summary: User-space access to Linux Kernel SCTP
 Version: 1.0.18
-Release: 4%{?dist}
+Release: 5%{?dist}
 # src/apps/bindx_test.C is GPLv2, I've asked upstream for clarification
 License: GPLv2 and GPLv2+ and LGPLv2 and MIT
 Group:   System Environment/Libraries
@@ -58,6 +58,14 @@ Drafts).
 %patch6 -p1
 
 %build
+# This package uses top level ASM constructs which are incompatible with LTO.
+# Top level ASMs are often used to implement symbol versioning.  gcc-10
+# introduces a new mechanism for symbol versioning which works with LTO.
+# Converting packages to use that mechanism instead of toplevel ASMs is
+# recommended.
+# Disable LTO
+%define _lto_cflags %{nil}
+
 [ ! -x ./configure ] && sh bootstrap
 %configure --disable-static
 # remove rpath from libtool
@@ -96,6 +104,9 @@ find $RPM_BUILD_ROOT -type f -name "*.la" -delete
 %doc doc/*.txt
 
 %changelog
+* Wed Jul 01 2020 Jeff Law <law@redhat.com> - 1.0.18-5
+- Disable LTO
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.18-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild