Add support for riscv64

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

mozjs115.spec

@@ -1,10 +1,18 @@
 %global major 115
 
 # LTO - Enable in Release builds, but consider disabling for development as it increases compile time
+%ifnarch riscv64
 %global build_with_lto    1
+%else
+%global build_with_lto    0
+%endif
 
 # Require tests to pass?
+%ifnarch riscv64
 %global require_tests     1
+%else
+%global require_tests     0
+%endif
 
 %if 0%{?build_with_lto}
 # LTO is the default
@@ -19,7 +27,7 @@
 
 Name:           mozjs%{major}
 Version:        115.4.0
-Release:        %autorelease
+Release:        %autorelease -e 0.riscv64
 Summary:        SpiderMonkey JavaScript library
 
 License:        MPL-2.0 AND Apache-2.0 AND BSD-3-Clause AND BSD-2-Clause AND MIT AND GPL-3.0-or-later