CMAKE_C_COMPILER 不是现有编译器工具的完整路径 [英] CMAKE_C_COMPILER is not a full path to an existing compiler tool

问题描述

我最近探索了 distcc 并且无法使其工作.所以我

I recently explored distcc and couldn't make it work. So I

sudo apt-get remove distcc

然后，我得到错误

==> Processing catkin package: 'gencpp'
==> Building with env: '/opt/ros/kinetic/env.sh'
Makefile exists, skipping explicit cmake invocation...
==> make cmake_check_build_system in '/home/pi/ros_catkin_ws/build_isolated/gencpp'
-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
CMake Error at CMakeLists.txt:2 (project):
  The CMAKE_C_COMPILER:

    /usr/local/bin/cc

is not a full path to an existing compiler tool.
Tell CMake where to find the compiler by setting either the environment
  variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to the compiler, or to the compiler name if it is in the PATH.

CMake Error at CMakeLists.txt:2 (project):
  The CMAKE_CXX_COMPILER:

    /usr/local/bin/c++

  is not a full path to an existing compiler tool.
Tell CMake where to find the compiler by setting either the environment variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path to the compiler, or to the compiler name if it is in the PATH.

-- Configuring incomplete, errors occurred!
See also "/home/pi/ros_catkin_ws/build_isolated/gencpp/CMakeFiles/CMakeOutput.log".
See also "/home/pi/ros_catkin_ws/build_isolated/gencpp/CMakeFiles/CMakeError.log".
Makefile:304: recipe for target 'cmake_check_build_system' failed
make: *** [cmake_check_build_system] Error 1
<== Failed to process package 'gencpp': 
  Command '['/opt/ros/kinetic/env.sh', 'make', 'cmake_check_build_system']' returned non-zero exit status 2

Reproduce this error by running:
==> cd /home/pi/ros_catkin_ws/build_isolated/gencpp && /opt/ros/kinetic/env.sh make cmake_check_build_system

Command failed, exiting.

我已经完成了

sudo apt-get install build_essential
sudo apt-get -f install
sudo apt-get update
sudo apt-get upgrade
export CC=/usr/local/bin/gcc
export CXX=/usr/local/bin/g++

但仍然得到同样的错误.

but still get the same error.

我该如何解决这个错误?我已尝试重置符号链接并删除导出

How could I resolve this error? I have tried resetting the symbolic links and removing the exports

推荐答案

我在 ubuntu 18.04 上安装 openCV 4.2.0 和 cuda 10.2 时遇到了类似的错误.我纠正了它(相应地更改 gcc/g++ 版本)

I had similar error while installing openCV 4.2.0 with cuda 10.2 on ubuntu 18.04. I rectified it by(change the gcc/g++ version accordingly)

sudo apt install gcc-6 g++-6

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