[CI] Use ccache to cache github action building

* Try ccache

* Cache Cmake

* No ccache in gradle cache

Co-authored-by: vvb2060 <vvb2060@gmail.com>

.github/workflows/core.yml

@@ -47,6 +47,14 @@ jobs:
           gradle-manager-${{ hashFiles('**/*.gradle.kts') }}
           gradle-core
           gradle-
+    - name: Cache Cmake
+      uses: actions/cache@v2
+      with:
+        path: ~/.ccache
+        key: ccache-${{ hashFiles('core/src/main/cpp') }}
+        restore-keys: ccache-
+    - name: Install ccache
+      run: sudo apt-get install -y ccache
     - name: Build with Gradle
       run:  |
         echo 'org.gradle.caching=true' >> gradle.properties

core/build.gradle.kts

@@ -95,6 +95,7 @@ android {
                 arguments("-DRIRU_MODULE_API_VERSION=$moduleMaxRiruApiVersion",
                         "-DRIRU_MODULE_VERSION=$verCode",
                         "-DRIRU_MODULE_VERSION_NAME:STRING=\"$verName\"")
+                targets("lspd")
             }
         }
 

core/src/main/cpp/CMakeLists.txt

@@ -20,6 +20,15 @@
 
 cmake_minimum_required(VERSION 3.4.1)
 
+find_program( CCACHE ccache )
+
+if ( CCACHE )
+    set( CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE} )
+    set( CMAKE_C_COMPILER_LAUNCHER ${CCACHE} )
+else()
+    message( WARNING "Could not find CCache program." )
+endif()
+
 link_libraries("-ffixed-x18")
 
 add_definitions(-DRIRU_MODULE)