我下面这个线程,这一个建立自己的KDE没有须藤权限.由于工作站上没有安装Git和CMake.我只是将它们安装在/ home/<user>下,并将/ home/<user>/bin和/ home/<user>/lib添加到PATH和LD_LIBRARY_PATH.由于KDE构建仅支持CMake,因此不支持配置.所以我必须通过CMake设置前缀,如下所示:cmake ~/kde-devel/src/kdelibs -DCMAKE_INSTALL_PREFIX=/home/<user>.此时我得到以下错误:
> ~/bin/cmake ~/kde-devel/src/kdelibs -DCMAKE_INSTALL_PREFIX=/home/<user>
-- The CXX compiler identification is unknown
-- Check for working CXX compiler: /home/gnu/bin/c++
-- Check for working CXX compiler: /home/gnu/bin/c++ -- broken
CMake Error at /home/<user>/share/cmake-2.8/Modules/CMakeTestCXXCompiler.cmake:45 (MESSAGE):
The C++ compiler "/home/gnu/bin/c++" is not able to compile a simple test
program.
It fails with the following output:
Change Dir: /home/<user>/kde-devel/build/kdelibs/CMakeFiles/CMakeTmp
Run Build Command:/usr/bin/gmake "cmTryCompileExec/fast"
...
Run Code Online (Sandbox Code Playgroud)
我检查了有2个C++编译器:
> where c++
/home/gnu/bin/c++
/usr/bin/c++
Run Code Online (Sandbox Code Playgroud)
我应该将CMake默认C++编译器设置为/usr/bin/c++?如何?或者有什么方法可以解决这个问题吗?
arr*_*owd 17
你/home/gnu/bin/c++似乎需要额外的标志来正确地链接东西,而CMake不知道这一点.
要使用/usr/bin/c++的编译器运行cmake与-DCMAKE_CXX_COMPILER=/usr/bin/c++.
此外,CMAKE_PREFIX_PATH变量设置目标dir,其中应安装项目的文件.它与CMake安装前缀无关,而CMake本身已经知道这一点.
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