我正在尝试使用CMake作为主要构建工具在Windows计算机上构建一个简单的应用程序。在项目上调用CMake后,在配置阶段就会出错:
> cmake -H. -G Ninja -Bbuild -DCMAKE_C_COMPILER:PATH="C:\Program Files\LLVM\bin\clang-cl.exe" -DCMAKE_CXX_COMPILER:PATH="C:\Program Files\LLVM\bin\clang-cl.exe"
-- The C compiler identification is Clang 7.0.0
-- The CXX compiler identification is Clang 7.0.0
-- Check for working C compiler: C:/Program Files/LLVM/bin/clang-cl.exe
-- Check for working C compiler: C:/Program Files/LLVM/bin/clang-cl.exe --broken
CMake Error at C:/Program Files/CMake/share/cmake-3.12/Modules/CMakeTestCCompile
r.cmake:52 (message):
The C compiler
"C:/Program Files/LLVM/bin/clang-cl.exe"
is not able to compile a simple test program.
It fails with the following output:
Change Dir: C:/Users/mak/Desktop/cmake-test/build/CMakeFiles/CMakeTmp
Run Build Command:"C:/Qt/Tools/QtCreator/bin/ninja.exe" "cmTC_f5485"
[1/2] Building C object CMakeFiles\cmTC_f5485.dir\testCCompiler.c.obj
[2/2] Linking C executable cmTC_f5485.exe
FAILED: cmTC_f5485.exe
cmd.exe /C "cd . && "C:\Program Files\CMake\bin\cmake.exe" -E vs_link_exe --intdir=CMakeFiles\cmTC_f5485.dir --manifests -- CMAKE_LINKER-NOTFOUND /nologo CMakeFiles\cmTC_f5485.dir\testCCompiler.c.obj /out:cmTC_f5485.exe /implib:cmTC_f5485.lib /pdb:cmTC_f5485.pdb /version:0.0 /machine:x64 /debug /INCREMENTAL /subsystem:console kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ."
RC Pass 1: command "rc /foCMakeFiles\cmTC_f5485.dir/manifest.res CMakeFiles\cmTC_f5485.dir/manifest.rc" failed (exit code 0) with the following output:
The system cannot find the given file
ninja: build stopped: subcommand failed.
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:3 (project)
我在网上读了很多东西,但是我的问题没有被任何提议的解决方案解决。到目前为止,我发现的是一个类似的词,但可能由于类似的问题solution已过时,该问题对我不起作用,因为Ninja无法生成可执行文件:
> ninja all
[1/2] Building CXX object CMakeFiles/minimal.dir/main.cpp.obj
FAILED: CMakeFiles/minimal.dir/main.cpp.obj
C:\PROGRA~1\LLVM\bin\clang-cl.exe -MD -MT CMakeFiles/minimal.dir/main.cpp.obj -MF CMakeFiles\minimal.dir\main.cpp.obj.d -o CMakeFiles/minimal.dir/main.cpp.obj -c ../main.cpp
clang-cl.exe: warning: unknown argument ignored in clang-cl: '-MF' [-Wunknown-argument]
clang-cl.exe: error: no such file or directory: 'CMakeFiles/minimal.dir/main.cpp.obj'
clang-cl.exe: error: no such file or directory: 'CMakeFiles\minimal.dir\main.cpp.obj.d'
ninja: build stopped: subcommand failed.
在此错误之前,CMake已正确配置,但所有编译器ABI信息检测均失败-但CMake继续正常运行,没有错误。有some other个问题也无济于事。
documentation官员表示这很简单,但实际上并非如此。
所以:如何使用带有Ninja生成器和Clang作为编译器的CMake构建简单 C ++项目?我尝试避免安装Visual Studio,但是如果生成的二进制文件与MSVC构建二进制文件兼容,那就太好了。
版本:
示例:这是我正在使用的最小示例:
CMakeLists.txt
cmake_minimum_required(VERSION 3.12)
project(minimal)
add_executable(${PROJECT_NAME} main.cpp)
main.cpp
#include <stdio.h>
int main(void)
{
printf("Hello World!\n");
return 0;
}
答案 0 :(得分:3)
要使用 clang-cl 进行编译,必须在加载了MSVC环境的情况下运行 cmake (使用 vcvarsall.bat )。否则,它将尝试使用GCC兼容性选项。 仅安装Build Tools就足够了。