Add linux-riscv64 support

CHANGES.md

@@ -8,6 +8,7 @@ Next Release (5.8.0)
 Features
 --------
 * [#1313](https://github.com/java-native-access/jna/issues/1313): Normalize `RESOURCE_PREFIX` for darwin to `darwin-$arch` and split jnidispatch library per architecture - [@matthiasblaesing](https://github.com/matthiasblaesing).
+* [#1318](https://github.com/java-native-access/jna/pull/1318): Add support for linux-risc64 - [@thentschel](https://github.com/thentschel).
 
 Bug Fixes
 ---------

build.xml

@@ -641,6 +641,9 @@ osname=macosx;processor=aarch64
       <zipfileset src="${lib.native}/linux-s390x.jar"
                   includes="*jnidispatch*"
                   prefix="com/sun/jna/linux-s390x"/>
+      <zipfileset src="${lib.native}/linux-riscv64.jar"
+                  includes="*jnidispatch*"
+                  prefix="com/sun/jna/linux-riscv64"/>
       <zipfileset src="${lib.native}/sunos-x86.jar"
                   includes="*jnidispatch*"
                   prefix="com/sun/jna/sunos-x86"/>
@@ -847,6 +850,7 @@ osname=macosx;processor=aarch64
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-sparcv9.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-mips64el.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-s390x.jar" overwrite="true"/>
+    <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-riscv64.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/freebsd-x86.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/freebsd-x86-64.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/openbsd-x86.jar" overwrite="true"/>
@@ -961,6 +965,9 @@ osname=macosx;processor=aarch64
     <condition property="ARCH" value="ppc64">
       <equals arg1="${os.prefix}" arg2="aix-ppc64"/>
     </condition>
+    <condition property="ARCH" value="riscv64">
+      <matches string="${os.prefix}" pattern="-riscv64$"/>
+    </condition>
     <!-- ensure ARCH is set properly for 64-bit capable platforms -->
     <!-- use ANT_OPTS=-d64/-d32 to build 64-bit/32-bit if not the platform default -->
     <property name="ARCH" value="${build.os.arch}"/>