Question

在Windows 10上，安装了msys2，这是mingw的一个变种，我安装了一个带有gcc工具链的cmake和所有标准工具，比如make。

g ++的版本是6.2，make是4.2.1。两者都在路径中。

当我使用cmake构建时：

cmake .

它尝试使用nmake和cl构建。所以不知何故，因为我在Windows上cmake正在尝试使用visual studio工具链。

export CMAKE_CXX_COMPILER=g++

无济于事。错误是：

-- Building for: NMake Makefiles
-- The C compiler identification is unknown
-- The CXX compiler identification is Clang 3.8.0
-- Check for working C compiler: D:/msys64/mingw64/bin/clang++.exe
CMake Error: Generator: execution of make failed. Make command was: "nmake" "/NOLOGO" "cmTC_87e5f\fast"
-- Check for working C compiler: D:/msys64/mingw64/bin/clang++.exe -- broken
CMake Error at D:/msys64/mingw64/share/cmake-3.6/Modules/CMakeTestCCompiler.cmake:61 (message):
  The C compiler "D:/msys64/mingw64/bin/clang++.exe" is not able to compile a
  simple test program.

  It fails with the following output:

   Change Dir: D:/git/CSP/CMakeFiles/CMakeTmp



  Run Build Command:"nmake" "/NOLOGO" "cmTC_87e5f\fast"



  Generator: execution of make failed.  Make command was: "nmake" "/NOLOGO"
  "cmTC_87e5f\fast"





  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:2 (project)


-- Configuring incomplete, errors occurred!
See also "D:/git/CSP/CMakeFiles/CMakeOutput.log".
See also "D:/git/CSP/CMakeFiles/CMakeError.log".

Answer 1

要使用MSYS2工具链，您需要明确指定构建系统生成器，即

cmake -G 'MSYS Makefiles' .

另外请注意，分离应用程序是一种很好的做法。源文件和cmake生成的文件，例如

mkdir build
cd build
cmake -G 'MSYS Makefiles' ..

如何让cmake在msys2（mingw）下使用gnu工具堆栈

1 个答案: