Bootstrap on riscv64

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

Singular.spec

@@ -20,11 +20,11 @@
 
 # Since qepcad-B requires this package, use this to build when the old version
 # of Singular cannot be installed.
-%bcond_with bootstrap
+%bcond_without bootstrap
 
 Name:		Singular
 Version:	%{downstreamver}%{?patchver}
-Release:	3%{?dist}
+Release:	3.0.riscv64%{?dist}
 Summary:	Computer Algebra System for polynomial computations
 # License analysis:
 # - factory/readcf.cc, Singular/grammar.cc, and Singular/grammar.h are
@@ -516,6 +516,9 @@ make check
 
 
 %changelog
+* Fri Oct 14 2022 David Abdurachmanov <davidlt@risvosinc.com> - 4.2.1p3-3.0.riscv64
+- Bootstrap on riscv64
+
 * Mon Jul 25 2022 Jerry James <loganjerry@gmail.com> - 4.2.1p3-3
 - Do not build surfex for i686 (rhbz#2104103)
 - Add patches to fix code errors: -sequence-point, -array-compare,