Enable build caching

Author: timothyschoen

.github/workflows/cmake.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: Build plugins
         run: |
-          python3 ./build.py
+          python3 ./build.py --compiler-launcher ccache
           move Build Build-macOS-Universal
 
       - name: Archive Artifacts
@@ -49,7 +49,7 @@ jobs:
 
       - name: Build plugins
         run: |
-          python3 ./build.py
+          python3 ./build.py --compiler-launcher ccache
           move Build Build-macOS-Legacy
 
       - name: Archive Artifacts
@@ -156,7 +156,7 @@ jobs:
 
       - name: Build plugins
         run: |
-          python3 ./build.py
+          python3 ./build.py --compiler-launcher ccache
           move Build Build-${{ matrix.name }}
 
       - name: Archive Artifacts

build.py

@@ -5,6 +5,16 @@
 import os
 import shutil
 
+import argparse
+
+parser = argparse.ArgumentParser(description="Build plugins with CMake")
+parser.add_argument(
+    "--compiler-launcher",
+    type=str,
+    help="Optional compiler launcher (e.g., ccache, sccache)"
+)
+args = parser.parse_args()
+
 # Detect platform and choose CMake generator
 system = platform.system()
 if system == "Darwin":  # macOS
@@ -52,6 +62,10 @@
         "-DENABLE_GEM=0",
         "-DENABLE_SFIZZ=0",
     ]
+    if args.compiler_launcher:
+        cmake_configure.append(f"-DCMAKE_C_COMPILER_LAUNCHER={args.compiler_launcher}")
+        cmake_configure.append(f"-DCMAKE_CXX_COMPILER_LAUNCHER={args.compiler_launcher}")
+
     result_configure = subprocess.run(cmake_configure, cwd=plugdata_dir)
     if result_configure.returncode != 0:
         print(f"Failed cmake configure for {name}")