Re-enable LTO

rpm-ostree.spec

@@ -4,7 +4,7 @@
 Summary: Hybrid image/package system
 Name: rpm-ostree
 Version: 2021.4
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: LGPLv2+
 URL: https://github.com/coreos/rpm-ostree
 # This tarball is generated via "cd packaging && make -f Makefile.dist-packaging dist-snapshot"
@@ -137,11 +137,6 @@ The %{name}-devel package includes the header files for %{name}-libs.
 %autosetup -Sgit -n %{name}-%{version}
 
 %build
-# gobject introspection does not work with LTO.  There is an effort to fix this
-# in the appropriate project upstreams, so hopefully LTO can be enabled someday
-# Disable LTO.
-%define _lto_cflags %{nil}
-
 env NOCONFIGURE=1 ./autogen.sh
 # Since we're hybrid C++/Rust we need to propagate this manually;
 # the %%configure macro today assumes (reasonably) that one is building
@@ -212,6 +207,9 @@ $PYTHON autofiles.py > files.devel \
 
 %files devel -f files.devel
 %changelog
+* Sun May 09 2021 Jeff Law <jlaw@tachyum.com> - 2021.4-4
+- Re-enable LTO
+
 * Wed Apr 28 2021 Colin Walters <walters@verbum.org> - 2021.4-3
 - Backport another patch for https://pagure.io/fedora-infrastructure/issue/9909