cmake失败，并显示“ CMake错误：您的CXX编译器：找不到“ CMAKE_CXX_COMPILER-NOTFOUND”。”

jonquil@jonquil-Satellite-L755D:~/Downloads/akonadi-googledata-1.2.0/build$ cmake ..
-- The C compiler identification is GNU
-- The CXX compiler identification is unknown
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
CMake Error: your CXX compiler: "CMAKE_CXX_COMPILER-NOTFOUND" was not found.   Please set CMAKE_CXX_COMPILER to a valid compiler path or name.
CMake Error at /usr/share/cmake-2.8/Modules/FindKDE4.cmake:98 (MESSAGE):
  ERROR: cmake/modules/FindKDE4Internal.cmake not found in
  /home/jonquil/.kde/share/apps;/usr/share/kubuntu-default-settings/kde4-profile/default/share/apps;/usr/share/kde4/apps
Call Stack (most recent call first):
  CMakeLists.txt:6 (find_package)


CMake Warning (dev) in CMakeLists.txt:
  No cmake_minimum_required command is present.  A line of code such as

    cmake_minimum_required(VERSION 2.8)

  should be added at the top of the file.  The version specified may be lower
  if you wish to support older CMake versions for this project.  For more
  information run "cmake --help-policy CMP0000".
This warning is for project developers.  Use -Wno-dev to suppress it.

-- Configuring incomplete, errors occurred!

使用自动工具，我得到以下信息：

jonquil@jonquil-Satellite-L755D:~/Downloads/akonadi-googledata-1.2.0/build/build$ autoreconf -i -f
Can't exec "libtoolize": No such file or directory at /usr/bin/autoreconf line 196.
Use of uninitialized value in pattern match (m//) at /usr/bin/autoreconf line 196.
autoreconf: `configure.ac' or `configure.in' is required

如果尚未安装build-essential，请安装它。您可以在软件中心或通过以下方式安装它：

sudo apt-get update && sudo apt-get install build-essential

gcc不包含g ++，这些是不同的软件包。安装g ++：

apt-get install g++

我知道这是“询问Ubuntu”，但是如果使用Fedora的人会遇到此问题，则以下内容可以帮助我：

sudo dnf install gcc-c++