From 60ee61808374db8b939f794362518341a3f85736 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Jan 17 2023 00:58:07 +0000
Subject: Make -flto=thin the default lto flag for clang


https://fedoraproject.org/wiki/Changes/LLVM-16

---

diff --git a/macros b/macros
index d2a4508..edade66 100644
--- a/macros
+++ b/macros
@@ -363,7 +363,7 @@ 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}}
 
 # Default fortification level.
diff --git a/redhat-rpm-config.spec b/redhat-rpm-config.spec
index 2cb04db..a50d48c 100644
--- a/redhat-rpm-config.spec
+++ b/redhat-rpm-config.spec
@@ -4,7 +4,7 @@
 # 2) When making changes, increment the version (in baserelease) by 1.
 #    rpmdev-bumpspec and other tools update the macro below, which is used
 #    in Version: to get the desired effect.
-%global baserelease 243
+%global baserelease 244
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
@@ -221,6 +221,9 @@ install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora/srpm forge.lua
 %doc buildflags.md
 
 %changelog
+* Mon Jan 16 2023 Tom Stellard <tstellar@redhat.com> - 244-1
+- Make -flto=thin the default lto flag for clang
+
 * Mon Jan 16 2023 Siddhesh Poyarekar <siddhesh@redhat.com> - 243-1
 - Consolidate the _FORTIFY_SOURCE switches.