add ccache to speed up builds (#16)

Author: pflyly

.github/workflows/nightly.yml

@@ -28,6 +28,10 @@ jobs:
             optimized: false
             arch: aarch64
     container: ghcr.io/pkgforge-dev/archlinux:latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+      CCACHE_COMPILERCHECK: content
+      CCACHE_SLOPPINESS: time_macros
     steps:
       - uses: actions/checkout@v4
         with:
@@ -37,6 +41,14 @@ jobs:
         if: always()
         run: chmod +x ./get-dependencies.sh && ./get-dependencies.sh
 
+      - name: Restore ccache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.CCACHE_DIR }}
+          key: ${{ matrix.runs-on }}-ccache-${{ matrix.optimized }}-${{ github.sha }}
+          restore-keys: |
+            ${{ matrix.runs-on }}-ccache-${{ matrix.optimized }}-
+
       - name: Compile Azahar (Normal)
         if: ${{ matrix.optimized == false }}
         run: |

.github/workflows/stable.yml

@@ -1,6 +1,6 @@
 name: Appimage
 concurrency:
-  group: build-${{ github.ref }}
+  group: build-stable-${{ github.ref }}
   cancel-in-progress: true
 
 on:
@@ -28,6 +28,10 @@ jobs:
             optimized: false
             arch: aarch64
     container: ghcr.io/pkgforge-dev/archlinux:latest
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+      CCACHE_COMPILERCHECK: content
+      CCACHE_SLOPPINESS: time_macros
     steps:
       - uses: actions/checkout@v4
         with:
@@ -37,6 +41,14 @@ jobs:
         if: always()
         run: chmod +x ./get-dependencies.sh && ./get-dependencies.sh
 
+      - name: Restore ccache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.CCACHE_DIR }}
+          key: ${{ matrix.runs-on }}-ccache-stable-${{ matrix.optimized }}-${{ github.sha }}
+          restore-keys: |
+            ${{ matrix.runs-on }}-ccache-stable-${{ matrix.optimized }}-
+
       - name: Compile Azahar (Normal)
         if: ${{ matrix.optimized == false }}
         run: |

azahar-appimage.sh

@@ -11,13 +11,13 @@ SHARUN="https://raw.githubusercontent.com/pkgforge-dev/Anylinux-AppImages/refs/h
 if [ "$1" = 'v3' ] && [ "$ARCH" = 'x86_64' ]; then
 	echo "Making x86-64-v3 optimized build of azahar..."
 	ARCH="${ARCH}_v3"
-	ARCH_FLAGS="-march=x86-64-v3 -O3 -flto=thin -DNDEBUG"
+	ARCH_FLAGS="-march=x86-64-v3 -O3 -flto=thin -fuse-ld=lld -DNDEBUG"
 elif [ "$ARCH" = 'x86_64' ]; then
 	echo "Making x86-64 generic build of azahar..."
-	ARCH_FLAGS="-march=x86-64 -mtune=generic -O3 -flto=thin -DNDEBUG"
+	ARCH_FLAGS="-march=x86-64 -mtune=generic -O3 -flto=thin -fuse-ld=lld -DNDEBUG"
 else
 	echo "Making aarch64 build of azahar..."
-	ARCH_FLAGS="-march=armv8-a -mtune=generic -O3 -flto=thin -DNDEBUG"
+	ARCH_FLAGS="-march=armv8-a -mtune=generic -O3 -flto=thin -fuse-ld=lld -DNDEBUG"
 fi
 
 # Determine to build nightly or stable
@@ -48,25 +48,29 @@ echo "$VERSION" > ~/version
 	qpaheader=$(find /usr/include -type f -name 'qplatformnativeinterface.h' -print -quit)
 	sed -i "s|#include <qpa/qplatformnativeinterface.h>|#include <$qpaheader>|" ./src/citra_qt/bootmanager.cpp
 
-	mkdir ./build
+	mkdir -p ./build
 	cd ./build
-	cmake .. -DCMAKE_CXX_COMPILER=clang++    \
+	cmake .. -G Ninja                        \
+		-DCMAKE_CXX_COMPILER=clang++         \
 		-DCMAKE_C_COMPILER=clang             \
 		-DCMAKE_INSTALL_PREFIX=/usr          \
 		-DENABLE_QT_TRANSLATION=ON           \
 		-DUSE_SYSTEM_BOOST=OFF               \
 		-DCMAKE_BUILD_TYPE=Release           \
-		-DUSE_DISCORD_PRESENCE=OFF           \
-		-DCMAKE_C_FLAGS="$ARCH_FLAGS"        \
 		-DUSE_SYSTEM_VULKAN_HEADERS=ON       \
 		-DENABLE_LTO=OFF                     \
+		-DENABLE_TESTS=OFF                   \
+		-DENABLE_ROOM_STANDALONE=OFF         \
 		-DUSE_SYSTEM_GLSLANG=ON              \
 		-DCITRA_USE_PRECOMPILED_HEADERS=OFF  \
+		-DCMAKE_C_COMPILER_LAUNCHER=ccache   \
+		-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
 		-DCMAKE_C_FLAGS="$ARCH_FLAGS"        \
 		-DCMAKE_CXX_FLAGS="$ARCH_FLAGS"      \
 		-Wno-dev
-	cmake --build . -- -j"$(nproc)"
-	sudo make install
+	ninja
+	sudo ninja install
+	ccache -s -v
 )
 rm -rf ./azahar
 

get-dependencies.sh

@@ -11,6 +11,7 @@ pacman -Syu --noconfirm \
 	boost                \
 	boost-libs           \
 	catch2               \
+	ccache               \
 	clang                \
 	cmake                \
 	curl                 \
@@ -31,6 +32,7 @@ pacman -Syu --noconfirm \
 	libxss               \
 	libzip               \
 	lld                  \
+	llvm                 \
 	mesa                 \
 	meson                \
 	ninja                \