!20 增加riscv构建支持

From: @laokz 
Reviewed-by: @wang--ge 
Signed-off-by: @wang--ge

rocksdb.spec

@@ -1,6 +1,6 @@
 Name:          rocksdb
 Version:       6.8.1
-Release:       4
+Release:       5
 Summary:       A Persistent Key-Value Store for Flash and RAM Storage
  
 License:       GPLv2 and Apache 2.0 License
@@ -60,7 +60,11 @@ cp -p %{SOURCE1} %{SOURCE2} %{SOURCE3} java/test-libs
 export CFLAGS="%{optflags}"
 # librocksdb*.so* has undefined symbols dlopen and so on, “-ldl” needs to be added here
 export EXTRA_CXXFLAGS=" -std=c++11 %{optflags} -ldl"
+%ifnarch riscv64
 %make_build shared_lib
+%else
+PORTABLE=1 %make_build shared_lib
+%endif
 # build rocksdbjni
 export JAVA_HOME=%{_jvmdir}/java-1.8.0-openjdk
 export EXTRA_CXXFLAGS="${EXTRA_CXXFLAGS} -I${JAVA_HOME}/include/ -I${JAVA_HOME}/include/linux"
@@ -99,6 +103,9 @@ install -D -m 0644 java/target/%{name}jni-%{version}-linux$(getconf LONG_BIT).ja
 %{_javadir}/%{name}jni/%{name}jni.jar
 
 %changelog
+* Mon Apr 10 2023 laokz <zhangkai@iscas.ac.cn> - 6.8.1-5
+- Fix building on RISC-V by setting PORTABLE to 1
+
 * Tue Aug 23 2022 wulei <wulei80@h-partners.com> - 6.8.1-4
 - Fix binary not striped problem