From 9320aeb28bb639b99d3bd3545568334237d76fee Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 27 Oct 2021 22:58:19 +0200
Subject: [PATCH] Enable use of ccache for Unix CI builds

This should speed up build step for the common case when not too many
files have to be recompiled.
---
 .github/workflows/ci.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a309fbdb5..68ad4c8c35 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -111,6 +111,11 @@ jobs:
         with:
           submodules: 'recursive'
 
+      - name: Install CCache
+        uses: hendrikmuhs/ccache-action@v1
+        with:
+          key: ${{ matrix.name }}
+
       - name: Set up build system
         run: |
           echo LD_LIBRARY_PATH=`pwd`/lib >> $GITHUB_ENV
@@ -118,6 +123,8 @@ jobs:
           wxPROC_COUNT=`./build/tools/proc_count.sh`
           echo wxBUILD_ARGS=-j$wxPROC_COUNT >> $GITHUB_ENV
 
+          echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
+
           # Setting this variable suppresses "Error retrieving accessibility bus address"
           # messages from WebKit tests that we're not interested in.
           echo NO_AT_BRIDGE=1 >> $GITHUB_ENV