Disable LTO on riscv64

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

xdp-tools.spec

@@ -1,6 +1,6 @@
 Name:             xdp-tools
 Version:          1.3.1
-Release:          1%{?dist}
+Release:          1.0.riscv64%{?dist}
 Summary:          Utilities and example programs for use with XDP
 %global _soversion 1.3.0
 
@@ -26,6 +26,10 @@ BuildRequires:    wireshark-cli
 BuildRequires:    bpftool
 %endif
 
+%ifarch riscv64
+%global _lto_cflags %{nil}
+%endif
+
 # Always keep xdp-tools and libxdp packages in sync
 Requires:         libxdp = %{version}-%{release}
 
@@ -122,6 +126,9 @@ make install V=1
 %{_libdir}/pkgconfig/libxdp.pc
 
 %changelog
+* Wed May 10 2023 David Abdurachmanov <davidlt@rivosinc.com> 1.3.1-1.0.riscv64
+- Disable LTO on riscv64
+
 * Thu Feb 23 2023 Toke Høiland-Jørgensen <toke@redhat.com> 1.3.1-1
 - Upstream version bump