Avoid LTO on riscv64 to avoid large memory usage

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

postgresql.spec

@@ -65,7 +65,7 @@ Summary: PostgreSQL client programs
 Name: postgresql
 %global majorversion 14
 Version: %{majorversion}.3
-Release: 8%{?dist}
+Release: 8.0.riscv64%{?dist}
 
 # The PostgreSQL license is very similar to other MIT licenses, but the OSI
 # recognizes it as an independent license, so we do as well.
@@ -470,7 +470,7 @@ find . -type f -name .gitignore | xargs rm
 
 %build
 # Avoid LTO on armv7hl as it runs out of memory
-%ifarch armv7hl s390x
+%ifarch armv7hl s390x riscv64
 %define _lto_cflags %{nil}
 %endif
 # fail quickly and obviously if user tries to build as root
@@ -1262,6 +1262,9 @@ make -C postgresql-setup-%{setup_version} check
 
 
 %changelog
+* Mon Oct 17 2022 David Abdurachmanov <davidlt@rivosinc.com> - 14.3-8.0.riscv64
+- Disable LTO for riscv64 to avoid large memory usage
+
 * Mon Aug 01 2022 Frantisek Zatloukal <fzatlouk@redhat.com> - 14.3-8
 - Rebuilt for ICU 71.1