build: modify conanfile cmake layout (#2)

Co-authored-by: light7734 <mail@light7734.com>
Reviewed-on: #2

.drone.yml

@@ -32,11 +32,10 @@ steps:
   - cp ./tools/conan/profiles/linux_clang_amd64 $(conan profile path default)
 
   - conan remote add light https://artifactory.light7734.com/artifactory/api/conan/conan
-  - conan install . --output-folder=build -r light --build=missing
+  - conan install . -r light --build=missing
+  - conan build .
 
-  - cmake -Bbuild -DCMAKE_TOOLCHAIN_FILE=./build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Release
-  - cmake --build ./build/
-  - ./build/modules/light/light
+  - build/Release/modules/light
 
 ---
 kind: pipeline
@@ -73,11 +72,10 @@ steps:
   - cp ./tools/conan/profiles/linux_gcc_amd64 $(conan profile path default)
 
   - conan remote add light https://artifactory.light7734.com/artifactory/api/conan/conan
-  - conan install . --output-folder=build -r light --build=missing
+  - conan install . -r light --build=missing
+  - conan build .
 
-  - cmake -Bbuild -DCMAKE_TOOLCHAIN_FILE=./build/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Release
-  - cmake --build ./build/
-  - ./build/modules/light/light
+  - build/Release/modules/light
 
 ---
 kind: pipeline

conanfile.py

@@ -1,5 +1,7 @@
 from conan import ConanFile
-from conan.tools.cmake import CMakeToolchain
+from conan.tools.cmake import CMakeToolchain, CMake, cmake_layout
+import shutil
+import os
 
 class LightRecipe(ConanFile):
     name = "light"
@@ -26,6 +28,9 @@ class LightRecipe(ConanFile):
         "enable_sanitizers": False,
     }
 
+    def layout(self):
+        cmake_layout(self)
+
     def generate(self):
         tc = CMakeToolchain(self)
 
@@ -34,3 +39,20 @@ class LightRecipe(ConanFile):
         tc.cache_variables["ENABLE_STATIC_ANALYSIS"] = self.options.enable_static_analysis
 
         tc.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+        self.copy_compile_commands()
+
+    def copy_compile_commands(self):
+        build_folder = self.build_folder
+        source_file = os.path.join(build_folder, "compile_commands.json")
+        destination_file = os.path.join(self.source_folder, "compile_commands.json")
+
+        if os.path.isfile(source_file):
+            shutil.copy(source_file, destination_file)
+            self.output.info(f"Copied compile_commands.json to {destination_file}")
+        else:
+            self.output.warn("compile_commands.json not found!")