[libvirt PATCH] rpm: disable LTO in Fedora 34

Daniel P. Berrangé berrange at redhat.com
Wed Oct 21 12:19:48 UTC 2020

A binutils change has caused breakage when linking the tests

/usr/bin/ld: tests/libtest_qemu_driver.so: undefined reference to `__open_missing_mode'

This is probably a regression in binutils, so disable LTO until we get
more clarity on the root cause and whether binutils or libvirt will need


Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
 libvirt.spec.in | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libvirt.spec.in b/libvirt.spec.in
index 325566f329..2a4324b974 100644
--- a/libvirt.spec.in
+++ b/libvirt.spec.in
@@ -990,6 +990,13 @@ Libvirt plugin for NSS for translating domain names into IP addresses.
 %autosetup -S git_am
+%if 0%{?fedora} == 34
+    # binutils change in F34 broke linking of tests
+    # https://bugzilla.redhat.com/show_bug.cgi?id=1889763
+    %define _lto_cflags %{nil}
 %if ! %{supported_platform}
 echo "This RPM requires either Fedora >= %{min_fedora} or RHEL >= %{min_rhel}"
 exit 1

More information about the libvir-list mailing list