CMake - 忽略/只显示来自某个目录的错误/警告

问题描述

主要问题：是否有cmake的配置，只显示或忽略来自某个目录的编译器警告/错误？

strong>替代解决方案：如何在QtCreator中切换？

背景/动机：
工作在一个更大的CMake项目，并希望专注于警告和错误只有从我的子项目。我正在使用QtCreator，它让我在一堆外来的错误/警告下寻找我的错误/警告。

解决方案

您可以在CMake中至少为某些目标或某些文件设置编译器警告选项。

 ＃目标
 set_target_properties（your_project_name PROPERTIES COMPILE_FLAGS...）
 
 ＃For files 
 set_source_files_properties（
 $ {list_of_your_files} 
 PROPERTIES 
 COMPILE_FLAGS...
）
  pre> 
 
 
也可以通过将项目分为子项目来设置每个文件夹的选项，使用 add_subdirectory（your_project）并在您的项目CMakeLists.txt中使用 add_definitions（...）。 
 
 
 
来自CMake文件：
 
main question: Is there a configuration for cmake, to show or ignore compiler warnings/errors only from a certain directory?

alternative solution: How can I toggle this in QtCreator?

background / motivation:
I'm working on a bigger CMake-project and want to focus on warnings and errors only from my subproject. I'm working with QtCreator and it annoys me to look for "my" errors/warnings under a pile of foreign ones.
 解决方案 
You can set compiler warning options in CMake at least for certain target or certain files. 
# For target
set_target_properties(your_project_name PROPERTIES COMPILE_FLAGS "...")

# For files
set_source_files_properties(
  ${list_of_your_files}
  PROPERTIES
  COMPILE_FLAGS "..."
)
It is also possible to set the options per-folder basis by separating your project as subproject, add it using add_subdirectory(your_project) and in your project CMakeLists.txt use add_definitions(...). 
From CMake documentation:
                        
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