From bc835f7074520e860bc7f7784d31e8c3f47c07e3 Mon Sep 17 00:00:00 2001
From: Nikita Popov <npopov@redhat.com>
Date: Wed, 19 Apr 2023 14:27:13 +0200
Subject: [PATCH] Change clang LTO default to ThinLTO

Resolves: rhbz#2178788
---
 macros                 | 2 +-
 redhat-rpm-config.spec | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/macros b/macros
index 74e9bf3..87698da 100644
--- a/macros
+++ b/macros
@@ -328,7 +328,7 @@ print(result)
 # way we can detect installing an unusable .o/.a file.  This is on the TODO
 # list for F34.
 %_gcc_lto_cflags	-flto=auto -ffat-lto-objects
-%_clang_lto_cflags	-flto
+%_clang_lto_cflags	-flto=thin
 %_lto_cflags		%{expand:%%{_%{toolchain}_lto_cflags}}
 
 %_general_options       -O2 %{?_lto_cflags} -fexceptions -g -grecord-gcc-switches -pipe
diff --git a/redhat-rpm-config.spec b/redhat-rpm-config.spec
index 31dff91..edd14b9 100644
--- a/redhat-rpm-config.spec
+++ b/redhat-rpm-config.spec
@@ -6,7 +6,7 @@
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
-Version: 199
+Version: 200
 Release: 1%{?dist}
 # No version specified.
 License: GPL+
@@ -250,6 +250,10 @@ install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora/srpm forge.lua
 %doc buildflags.md
 
 %changelog
+* Wed Apr 19 2023 Nikita Popov <npopov@redhat.com> - 200-1
+- Change clang LTO default to ThinLTO
+- Resolves: rhbz#2178788
+
 * Mon Feb 13 2023 Miro Hrončok <mhroncok@redhat.com> - 199-1
 - Add pyproject-srpm-macros to the default buildroot
 - Related: rhbz#2168193