Add support for riscv64

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

protobuf.spec

@@ -4,11 +4,13 @@
 # compared to the pure-Python implementation.
 %bcond_without python_cpp
 # Build -java subpackage
+%ifnarch riscv64
 %ifarch %{java_arches}
 %bcond_without java
 %else
 %bcond_with java
 %endif
+%endif
 
 #global rcver rc2
 
@@ -19,7 +21,7 @@ Name:           protobuf
 # “patch” updates of protobuf.
 Version:        3.19.6
 %global so_version 30
-Release:        2%{?dist}
+Release:        2.0.riscv64%{?dist}
 
 # The entire source is BSD-3-Clause, except the following files, which belong
 # to the build system; are unpackaged maintainer utility scripts; or are used
@@ -105,6 +107,7 @@ BuildRequires:  gcc-c++
 BuildRequires:  emacs
 BuildRequires:  zlib-devel
 
+%ifnarch riscv64
 %ifnarch %{java_arches}
 Obsoletes:      %{name}-java-util < 3.19.4-4
 Obsoletes:      %{name}-javadoc < 3.19.4-4
@@ -112,6 +115,7 @@ Obsoletes:      %{name}-parent < 3.19.4-4
 Obsoletes:      %{name}-bom < 3.19.4-4
 Obsoletes:      %{name}-javalite < 3.19.4-4
 %endif
+%endif
 
 %description
 Protocol Buffers are a way of encoding structured data in an efficient
@@ -361,7 +365,7 @@ popd
 %endif
 
 %if %{with java}
-%ifarch %ix86 s390x %{arm}
+%ifarch %ix86 s390x %{arm} riscv64
 export MAVEN_OPTS=-Xmx1024m
 %endif
 %pom_disable_module kotlin java/pom.xml
@@ -374,7 +378,7 @@ export MAVEN_OPTS=-Xmx1024m
 
 %check
 # Java tests fail on s390x
-%ifarch s390x
+%ifarch s390x riscv64
 fail=0
 %else
 fail=1
@@ -497,6 +501,10 @@ install -p -m 0644 %{SOURCE2} %{buildroot}%{_emacs_sitestartdir}
 
 
 %changelog
+* Thu Apr 06 2023 David Abdurachmanov <davidlt@rivosinc.com> - 3.19.6-2.0.riscv64
+- Enable riscv64
+- Disable java subpackages for riscv64 (takes too long to build)
+
 * Fri Jan 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 3.19.6-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild