From 9efe171b211bfdddc06adab55c02c1838ee88302 Mon Sep 17 00:00:00 2001
From: Jeff Law <law@redhat.com>
Date: Wed, 1 Jul 2020 15:28:31 -0600
Subject: [PATCH] Disable LTO

---
 ocaml.spec | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/ocaml.spec b/ocaml.spec
index f945893..ee6865a 100644
--- a/ocaml.spec
+++ b/ocaml.spec
@@ -31,7 +31,7 @@
 
 Name:           ocaml
 Version:        4.11.0
-Release:        0.4.dev2%{?dist}
+Release:        0.5.dev2%{?dist}
 
 Summary:        OCaml compiler and programming environment
 
@@ -174,6 +174,12 @@ autoconf --force
 
 
 %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}
+
 %ifnarch %{no_parallel_build_arches}
 make="make %{?_smp_mflags}"
 %else
@@ -375,6 +381,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 
 
 %changelog
+* Wed Jul 01 2020 Jeff Law <law@redhat.com> - 4.11.0-0.5.dev2.fc33
+- Disable LTO
+
 * Mon May 04 2020 Richard W.M. Jones <rjones@redhat.com> - 4.11.0-0.4.dev2.fc33
 - Move to OCaml 4.11.0+dev2-2020-04-22.
 - Backport upstream RISC-V backend from 4.12 + fixes.