Re-enable LTO

libvpx.spec

@@ -6,7 +6,7 @@
 Name:			libvpx
 Summary:		VP8/VP9 Video Codec SDK
 Version:		1.9.0
-Release:		1%{?dist}
+Release:		2%{?dist}
 License:		BSD
 #Source0:		http://downloads.webmproject.org/releases/webm/%{name}-%{version}.tar.bz2
 Source0:		https://github.com/webmproject/libvpx/archive/v%{version}.tar.gz
@@ -49,11 +49,6 @@ and decoder.
 %patch0 -p1 -b .leave-fs-on
 
 %build
-# This package fails to build with LTO due to undefined symbols.  LTO
-# was disabled in OpenSuSE as well, but with no real explanation why
-# beyond the undefined symbols.  It really shold be investigated further.
-# Disable LTO
-%define _lto_cflags %{nil}
 
 %ifarch %{ix86}
 %global vpxtarget x86-linux-gcc
@@ -237,6 +232,9 @@ rm -rf %{buildroot}%{_prefix}/src
 %{_bindir}/*
 
 %changelog
+* Sat Oct 10 2020 Jeff Law <law@redhat.com> - 1.9.0-2
+- Re-enable LTO
+
 * Thu Aug 13 2020 Tom Callaway <spot@fedoraproject.org> - 1.9.0-1
 - update to 1.9.0