util: Add steps to compile clang-15 and clang-16

This updates the dockerfiles for ubuntu 22.04 to include the
steps necessary to compile clang-15 and clang-16.

Change-Id: I2bba6393ab93a6ce05a2c3ce31f3bbc71bcdca7c

util/dockerfiles/docker-compose.yaml

@@ -127,6 +127,18 @@ services:
             args:
                 - version=14
         image: gcr.io/gem5-test/clang-version-14:latest
+    clang-15:
+        build:
+            context: ubuntu-22.04_clang-version
+            dockerfile: Dockerfile
+            args:
+                - version=15
+        image: gcr.io/gem5-test/clang-version-15:latest
+    clang-16:
+        build:
+            context: ubuntu-22.04_clang-16
+            dockerfile: Dockerfile
+        image: gcr.io/gem5-test/clang-version-16:latest
     llvm-gnu-cross-compiler-riscv64:
         build:
             context: llvm-gnu-cross-compiler-riscv64

util/dockerfiles/ubuntu-22.04_clang-16/Dockerfile

@@ -0,0 +1,57 @@
+# Copyright (c) 2023 The Regents of the University of California
+# All Rights Reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+FROM ubuntu:22.04
+
+# Valid version values:
+# 16
+ARG version
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt -y update && apt -y upgrade && \
+    apt -y install git m4 scons zlib1g zlib1g-dev libprotobuf-dev \
+    protobuf-compiler libprotoc-dev libgoogle-perftools-dev python3-dev \
+    python-is-python3 doxygen libboost-all-dev libhdf5-serial-dev \
+    python3-pydot libpng-dev make
+
+RUN apt-get update && apt-get -y install sudo wget
+
+# extra installations to have wget work
+RUN apt -y install lsb-release wget software-properties-common gnupg
+RUN wget https://apt.llvm.org/llvm.sh
++
+RUN chmod u+x llvm.sh
+RUN ./llvm.sh 16
+
+RUN apt-get --purge -y remove gcc
+
+RUN update-alternatives --install \
+    /usr/bin/clang++ clang++ /usr/bin/clang++-${version} 100
+RUN update-alternatives --install \
+    /usr/bin/clang clang /usr/bin/clang-${version} 100
+RUN update-alternatives --install \
+    /usr/bin/c++ c++ /usr/bin/clang++-${version} 100
+RUN update-alternatives --install \
+    /usr/bin/cc cc /usr/bin/clang-${version} 100

util/dockerfiles/ubuntu-22.04_clang-version/Dockerfile

@@ -27,6 +27,7 @@ FROM ubuntu:22.04
 
 # Valid version values:
 # 13
+# 15
 ARG version
 
 ENV DEBIAN_FRONTEND=noninteractive