在Windows上使用CMake和VS Code时无法找到compile_commands.json文件

Question

在Windows上使用CMake和VS Code时无法找到compile_commands.json文件

3

我正在尝试将Clang-Tidy静态分析工具集成到我的构建系统中。我的设置遇到了一些问题。

步骤cmake -DCMAKE_EXPORT_COMPILE_COMMANDS = ON ..未生成compile_commands.json文件。因此，clang-tidy会出现以下错误。

> cmake --build .结果

Could not auto-detect compilation database from directory "C:/dev/my-project/build/compile_commands.json"
  No compilation database found in C:\dev\my-project\build\compile_commands.json or any parent directory
  fixed-compilation-database: Error while opening fixed database: no such file or directory
  json-compilation-database: Error while opening JSON database: no such file or directory
  Running without flags.
  Error while processing C:\dev\my-project\src\.
CUSTOMBUILD : error : unable to handle compilation, expected exactly one compiler job in '' [clang-diagnostic-error] [C:\dev\my-project\build\analyze_clang_tidy.vcxproj]
  Suppressed 1 warnings (1 in non-user code).
  Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.

Clang-tidy.cmake 文件

set(CLANG_TIDY_CHECKS "-checks='${CLANG_TIDY_CHECKS}'")

            add_custom_target(analyze_clang_tidy ALL
                COMMAND ${CLANG_TIDY}
                -p ${CMAKE_BINARY_DIR}/compile_commands.json
                ${CLANG_TIDY_CHECKS}
                -header-filter='.*'
                ${CMAKE_CURRENT_SOURCE_DIR}/src/
                WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
                COMMENT "Static code analysis with Clang-Tidy"
            )

请查看配置结果。

-- Building for: Visual Studio 14 2015
-- Selecting Windows SDK version  to target Windows 10.0.17763.
-- The CXX compiler identification is MSVC 19.0.24215.1
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin/cl.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
Default build type: Debug
iD MSVC
-- ccache found and enabled
-- Configuring done
-- Generating done
-- Build files have been written to: C:/dev/my-project/build

我在../src/文件夹中有一个简单的hello world程序：int main() {...}.

请建议我如何在Windows上使用CMake和VS Code生成compile_commands.json文件。

谢谢！

- Avi

1个回答

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- warchantua · Accepted Answer

请见https://cmake.org/cmake/help/latest/variable/CMAKE_EXPORT_COMPILE_COMMANDS.html。具体来说，注意：注意：此选项仅由Makefile生成器和Ninja实现，在其他生成器上将被忽略。相反，您可以编写一个Python脚本为您生成该格式，类似于这个工具：https://github.com/nickdiego/compiledb。或者，实际上您并不需要compile_commands.json。您可以定义CMAKE_LANG_CLANG_TIDY变量以自动触发clang-tidy：https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_CLANG_TIDY.html。请查看我如何在我的项目中完成此操作：1 2 3。