Update ccache.

build_tools/install_ccache.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Copyright 2022 The IREE Authors
+#
+# Licensed under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+set -euo pipefail
+
+CCACHE_VERSION="$1"
+
+ARCH="$(uname -m)"
+
+curl --silent --fail --show-error --location \
+    "https://github.com/ccache/ccache/releases/download/v${CCACHE_VERSION}/ccache-${CCACHE_VERSION}-linux-${ARCH}.tar.xz" \
+    --output ccache.tar.xz
+
+tar xf ccache.tar.xz
+cp ccache-${CCACHE_VERSION}-linux-${ARCH}/ccache /usr/local/bin

dockerfiles/manylinux_ghr_x86_64.Dockerfile

@@ -44,13 +44,19 @@ RUN chmod +x /token.sh /entrypoint.sh /app_token.sh
 # Note that the actions-runner install script does yum transactions.
 RUN yum install -y epel-release && \
     yum install -y dumb-init jq && \
-    yum install -y ccache ninja-build clang lld && \
+    yum install -y ninja-build clang lld && \
     yum install -y capstone-devel tbb-devel libzstd-devel && \
     yum install -y boost-devel && \
     /actions-runner/install_actions.sh ${GH_RUNNER_VERSION} ${TARGETPLATFORM} && \
     yum clean all && \
     rm -rf /var/cache/yum
 
+######## CCache ########
+WORKDIR /install-ccache
+
+COPY build_tools/install_ccache.sh ./
+RUN ./install_ccache.sh "4.9" && rm -rf /install-ccache
+
 ######## CMake ########
 WORKDIR /install-cmake