当我想为opencv 3.3.0创建visual studio 15（2017）make文件时，它会给我这个错误消息：error in configuration process, project files maybe invalid和这些：
CMake Deprecation Warning at CMakeLists.txt:81 (cmake_policy):
The OLD behavior for policy CMP0020 will be removed from a future version
of CMake.
The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
CMake Deprecation Warning at CMakeLists.txt:85 (cmake_policy):
The OLD behavior for policy CMP0022 will be removed from a future version
of CMake.
The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
CMake Deprecation Warning at CMakeLists.txt:94 (cmake_policy):
The OLD behavior for policy CMP0026 will be removed from a future version
of CMake.
The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
CMake Error at CMakeLists.txt:127 (project):
Failed to run MSBuild command:
MSBuild.exe
to get the value of VCTargetsPath:
我使用的是Windows 10.问题是什么？如何解决？
答案 0 :(得分：6)
在CMake-gui：选择了源代码＆amp;二进制文件夹并单击“配置”它将询问您使用哪个版本的编译器。确保选择正确的
例如，如果安装了“Visual Studio 2015”并选择“Visual Studio 2017”，则会遇到“无法运行MSBuild命令：”错误。
如果确实选择了错误的，请删除binaries-folder或只使用其他二进制文件夹 - 然后单击configure并选择正确的编译器。
答案 1 :(得分：3)
尝试安装 Windows SDK （Windows 10 SDK）并使用管理员权限运行CMake。 如果这样做没有用，请使用完整的警告和错误消息编辑您的问题，就像当前的一样，您已跳过最重要的部分。
答案 2 :(得分：0)
只要cmake找不到Visual Studio组件，那是因为cmake使用的生成选项指定了您尚未安装的版本。因此，更改cmake选项或使用必需的组件（通常是Visual C ++组件和Windows SDK组件）安装所需的Visual Studio版本（14.0 = 2015、15.0 = 2017、16.0 = 2019）。