add a parameter for disabling LTO when building with clang & ld.bfd

Signed-off-by: jchzhou <zhoujiacheng@iscas.ac.cn>
(cherry picked from commit 6e654b2fceb71e5152fa5aa0312a96c3ccd3a988)

lxc.spec

@@ -1,5 +1,5 @@
-%global _release 13
-%global enable_isulad 1
+%global _release 14
+%bcond isulad 1
 
 Name:           lxc
 Version:        5.0.2
@@ -88,11 +88,13 @@ This package contains documentation for lxc for creating containers.
 %ifarch riscv64
 export LDFLAGS="%{build_ldflags} -latomic -pthread"
 %endif
-%if 0%{?enable_isulad}
-meson setup -Disulad=true -Dtests=true -Dprefix=/usr build
-%else
-meson setup -Disulad=false -Dtests=true -Dprefix=/usr build
+meson setup -Dtests=true \
+    %{?with_isulad:-Disulad=true} \
+    %{!?with_isulad:-Disulad=false} \
+%if "%{?toolchain}" == "clang"
+    -Db_lto=false \
 %endif
+    -Dprefix=/usr build
 meson compile -C build
 
 %install
@@ -193,7 +195,7 @@ meson test -C build
 %{_datadir}/%{name}/config/*
 %dir %{_datadir}/%{name}/__pycache__
 %{_datadir}/%{name}/__pycache__/*
-%if !0%{?enable_isulad}
+%if %{without isulad}
 %{_datadir}/%{name}/hooks
 %endif
 
@@ -212,6 +214,12 @@ meson test -C build
 %endif
 
 %changelog
+* Mon Mar 11 2024 jchzhou <zhoujiacheng@iscas.ac.cn> - 5.0.2-14
+- Type: bugfix
+- ID:NA
+- SUG:NA
+- DESC: update meson parameters for disabling LTO when building with clang & ld.bfd
+
 * Mon Feb 26 2024 jikai<jikai11@huawei.com> - 5.0.2-13
 - Type: bugfix
 - ID:NA