Re-enable LTO

openpgm.spec

@@ -4,7 +4,7 @@ Version:       5.2.122
 %global version_main      5.2
 %global version_dash_main 5-2
 %global version_dash      %{version_dash_main}-122
-Release:       24%{?dist}
+Release:       25%{?dist}
 Summary:       An implementation of the PGM reliable multicast protocol
 
 # The license is LGPLv2.1
@@ -59,10 +59,12 @@ autoconf
 %build
 # This package has a configure test which uses ASMs, but does not link the
 # resultant .o files.  As such the ASM test is always successful, even on
-# architectures were the ASM is not valid.   The test should be fixed,
+# architectures were the ASM is not valid when compiling with LTO.
-# or alternately we could consider using -ffat-lto-objects, though we
+#
-# generally recommend against that.  For now, disable LTO.
+# -ffat-lto-objects is sufficient to address this issue.  It is the default
-%define _lto_cflags %{nil}
+# for F33, but is expected to only be enabled for packages that need it in
+# F34, so we use it here explicitly
+%define _lto_cflags -flto=auto -ffat-lto-objects
 
 %make_build
 
@@ -88,6 +90,9 @@ mv -f %{buildroot}%{_includedir}/%{name_alias}-%{version_main}/%{name_alias} %{b
 
 
 %changelog
+* Fri Aug 21 2020 Jeff Law <law@redhat.com> - 5.2.122-25
+- Re-enable LTO
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.122-24
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild