Added bootstrapping on aarch64

build.xml

@@ -5,6 +5,9 @@
   <exec executable="tar" failonerror="true">
    <arg line="xf ${basedir}/packages/go/go1.4-bootstrap-20171003.tar.gz -C ${builddir}"/>
   </exec>
+  <exec executable="patch" dir="${builddir}/go" failonerror="true">
+   <arg line="-Np1 -i ${basedir}/packages/go/go1.4-aarch64.patch"/>
+  </exec>
   <exec executable="./make.bash" dir="${makedir}/src"/>
   <move file="${builddir}/go" tofile="${builddir}/go1.4"/>
   <exec executable="tar" failonerror="true">

go1.4-aarch64.patch

+diff -uNr go/src/cmd/dist/unix.c go-aarch64/src/cmd/dist/unix.c
+--- go/src/cmd/dist/unix.c	2017-11-22 01:33:56.000000000 +0000
++++ go-aarch64/src/cmd/dist/unix.c	2020-07-19 13:15:08.918268845 +0000
+@@ -706,7 +706,7 @@
+ 			gohostarch = "amd64";
+ 		else if(hassuffix(u.machine, "86"))
+ 			gohostarch = "386";
+-		else if(contains(u.machine, "arm"))
++		else if(contains(u.machine, "arm") || contains(u.machine, "aarch64"))
+ 			gohostarch = "arm";
+ 		else
+ 			fatal("unknown architecture: %s", u.machine);