Merge branch 'setup-ccache' of github.com:Jxtopher/nojhan_paradiseo

.github/workflows/build_ubuntu_debug.yml

@@ -16,7 +16,14 @@ jobs:
         compiler: [g++-10, g++-9, g++-8, g++-7, clang-6, clang-7, clang-8, clang-9, clang-10, clang-11, clang-12] 
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
+    
+    - name: Caching objects
+      id: cache-objects
+      uses: actions/cache@v4
+      with:
+        path: ~/.cache/ccache
+        key: ${{ runner.os }}-${{env.BUILD_TYPE}}-${{ matrix.compiler }}-objects
 
     - name: Install Dependencies
       shell: bash

CMakeLists.txt

@@ -20,6 +20,17 @@ project("ParadisEO"
 ## Language
 set(CMAKE_CXX_STANDARD 17)
 
+## ccache
+find_program(CCACHE_PROGRAM ccache)
+
+if (CCACHE_PROGRAM)
+    message(NOTICE "-- ccache is enabled (found here: ${CCACHE_PROGRAM})")
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "\"${CCACHE_PROGRAM}\"")
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "\"${CCACHE_PROGRAM}\"")
+else ()
+    message(NOTICE "-- ccache has not been found")
+endif ()
+
 
 ######################################################################################
 ### 2) Check dependencies

README.md

@@ -211,6 +211,7 @@ If you `ENABLE_CMAKE_EXAMPLE`, it will also build the examples.
 If may want to make build scripts more verbose (especially when building the
 doc) by enabling `CMAKE_VERBOSE_MAKEFILE`.
 
+If `ccache` installed in your environment, library recompilation times can be significantly reduced. To clear all cached objects, execute `ccache -C`.
 
 ## Licenses