tools: toolchain: update to Fedora 33 with clang 11

Update the toolchain to Fedora 33 with clang 11 (note the
build still uses gcc).

The image now creates a /root/.m2/repository directory; without
this the tools/jmx build fails on aarch64.

Add java-1.8.0-openjdk-devel since that is where javac lives now.
Add a JAVA8_HOME environment variable; wihtout this ant is not
able to find javac.

The toolchain is enabled for x86_64 and aarch64.

install-dependencies.sh

@@ -28,6 +28,7 @@ else
 fi
 
 debian_base_packages=(
+    clang
     liblua5.3-dev
     python3-pyparsing
     python3-colorama
@@ -44,6 +45,7 @@ debian_base_packages=(
 )
 
 fedora_packages=(
+    clang
     lua-devel
     yaml-cpp-devel
     thrift-devel
@@ -57,6 +59,7 @@ fedora_packages=(
     python
     sudo
     java-1.8.0-openjdk-headless
+    java-1.8.0-openjdk-devel
     ant
     ant-junit
     maven

tools/toolchain/Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/fedora:32
+FROM docker.io/fedora:33
 ADD ./install-dependencies.sh ./
 ADD ./seastar/install-dependencies.sh ./seastar/
 ADD ./tools/toolchain/system-auth ./
@@ -10,4 +10,6 @@ RUN dnf -y install 'dnf-command(copr)' \
     && echo 'ALL ALL=(ALL:ALL) NOPASSWD: ALL' >> /etc/sudoers \
     && cp system-auth /etc/pam.d \
     && echo 'Defaults !requiretty' >> /etc/sudoers
+RUN mkdir -p /root/.m2/repository
+ENV JAVA8_HOME=/usr/lib/jvm/java-1.8.0-openjdk
 CMD /bin/bash

tools/toolchain/image

@@ -1 +1 @@
-docker.io/scylladb/scylla-toolchain:fedora-32-20200910
+docker.io/scylladb/scylla-toolchain:fedora-33-20201028