Disable LTO

rdma-core.spec

@@ -1,6 +1,6 @@
 Name: rdma-core
 Version: 30.0
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: RDMA core userspace libraries and daemons
 
 # Almost everything is licensed under the OFA dual GPLv2, 2 Clause BSD license
@@ -266,6 +266,13 @@ easy, object-oriented access to IB verbs.
 %autosetup -v -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}
 
 # New RPM defines _rundir, usually as /run
 %if 0%{?_rundir:1}
@@ -653,6 +660,9 @@ rm -f %{buildroot}/%{_sbindir}/srp_daemon.sh
 %endif
 
 %changelog
+* Wed Jul  1 2020 Jeff Law <law@redhat.com> - 30.0-3
+- Disable LTO
+
 * Thu Jun 25 2020 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 30.0-2
 - Drop dependencies on systemd (#1837812)