From 55ce47676bf0b1e8870adbda6fef3ae294b17fb3 Mon Sep 17 00:00:00 2001
From: Nicky <nicky.dasmijn@gmail.com>
Date: Mon, 17 Jan 2022 18:24:06 +0100
Subject: [PATCH] Add option to enable compiler cache (if found).

---
 scripts/configure_firestorm.sh | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/scripts/configure_firestorm.sh b/scripts/configure_firestorm.sh
index 1b09dfbbfa..e6615fbb3d 100755
--- a/scripts/configure_firestorm.sh
+++ b/scripts/configure_firestorm.sh
@@ -42,6 +42,7 @@ WANTS_TESTBUILD=$FALSE
 WANTS_TRACY=$FALSE
 WANTS_BUILD=$FALSE
 WANTS_CRASHREPORTING=$FALSE
+WANTS_CACHE=$FALSE
 TARGET_PLATFORM="darwin" # darwin, windows, linux
 BTYPE="Release"
 CHANNEL="" # will be overwritten later with platform-specific values unless manually specified.
@@ -85,6 +86,7 @@ showUsage()
     echo "  --jobs <num>             : Build with <num> jobs in parallel (Linux and Darwin only)"
     echo "  --ninja                  : Build using Ninja"
     echo "  --vscode                 : Exports compile commands for VSCode (Linux only)"
+    echo "  --compiler-cache         : Try to detect and use compiler cache (needs also --ninja for OSX and Windows)"
     echo
     echo "All arguments not in the above list will be passed through to LL's configure/build."
     echo
@@ -94,7 +96,7 @@ getArgs()
 # $* = the options passed in from main
 {
     if [ $# -gt 0 ]; then
-      while getoptex "clean build config version package no-package fmodstudio openal ninja vscode jobs: platform: kdu opensim no-opensim singlegrid: avx avx2 tracy crashreporting testbuild: help chan: btype:" "$@" ; do
+      while getoptex "clean build config version package no-package fmodstudio openal ninja vscode compiler-cache jobs: platform: kdu opensim no-opensim singlegrid: avx avx2 tracy crashreporting testbuild: help chan: btype:" "$@" ; do
 
           #ensure options are valid
           if [  -z "$OPTOPT"  ] ; then
@@ -133,6 +135,7 @@ getArgs()
           jobs)           JOBS="$OPTARG";;
           ninja)          WANTS_NINJA=$TRUE;;
           vscode)         WANTS_VSCODE=$TRUE;;
+          compiler-cache) WANTS_CACHE=$TRUE;;
 
           help)           showUsage && exit 0;;
 
@@ -324,6 +327,7 @@ echo -e "          BUILD: `b2a $WANTS_BUILD`"                                  |
 echo -e "         CONFIG: `b2a $WANTS_CONFIG`"                                 | tee -a $LOG
 echo -e "          NINJA: `b2a $WANTS_NINJA`"                                  | tee -a $LOG
 echo -e "         VSCODE: `b2a $WANTS_VSCODE`"                                 | tee -a $LOG
+echo -e " COMPILER CACHE: `b2a $WANTS_CACHE`"                                  | tee -a $LOG
 echo -e "       PASSTHRU: $LL_ARGS_PASSTHRU"                                   | tee -a $LOG
 echo -e "          BTYPE: $BTYPE"                                              | tee -a $LOG
 if [ $TARGET_PLATFORM == "linux" -o $TARGET_PLATFORM == "darwin" ] ; then
@@ -545,8 +549,24 @@ if [ $WANTS_CONFIG -eq $TRUE ] ; then
         TARGET="Ninja"
     fi
 
+    CACHE_OPT=""
+
+    if [ $WANTS_CACHE -eq $TRUE ]
+    then
+        if [ `which ccache 2>/dev/null` ]
+        then
+            echo "Found ccache"
+            CACHE_OPT="-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache"
+        fi
+        if [ `which buildcache 2>/dev/null` ]
+        then
+            echo "Found buildcache"
+            CACHE_OPT="-DCMAKE_C_COMPILER_LAUNCHER=buildcache -DCMAKE_CXX_COMPILER_LAUNCHER=buildcache"
+        fi
+    fi
+
     cmake -G "$TARGET" ../indra $CHANNEL ${GITHASH} $FMODSTUDIO $OPENAL $KDU $OPENSIM $SINGLEGRID $AVX_OPTIMIZATION $AVX2_OPTIMIZATION $TRACY_PROFILER $TESTBUILD $PACKAGE \
-          $UNATTENDED -DLL_TESTS:BOOL=OFF -DADDRESS_SIZE:STRING=$AUTOBUILD_ADDRSIZE -DCMAKE_BUILD_TYPE:STRING=$BTYPE \
+          $UNATTENDED -DLL_TESTS:BOOL=OFF -DADDRESS_SIZE:STRING=$AUTOBUILD_ADDRSIZE -DCMAKE_BUILD_TYPE:STRING=$BTYPE $CACHE_OPT \
           $CRASH_REPORTING -DVIEWER_SYMBOL_FILE:STRING="${VIEWER_SYMBOL_FILE:-}" -DROOT_PROJECT_NAME:STRING=Firestorm $LL_ARGS_PASSTHRU ${VSCODE_FLAGS:-} | tee $LOG
 
     if [ $TARGET_PLATFORM == "windows" ] ; then