cmake 3.0.2 or higher is required. you are running version 2.8.12.2

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cmake 3.0.2 or higher is required. you are running version 2.8.12.2

2 c$ o0 E, K) A& f6 \下载cmake版本：
可直接从cmake官网下载新版本，也可执行如下语句：

& i3 _) ^7 C. Q/ i% V& ^wget http://www.cmake.org/files/v3.13/cmake-3.13.4.tar.gz

( q% z9 U  S& p5 P9 Z8 Z( m9 r
" z2 k( f7 m! y  }# \" H( y解压缩tar包
tar -zxvf cmake-3.13.4.tar.gz

cd cmake-3.13.4.tar.gz
9 e. ], n* y# g0 K; l执行
./bootstrap
# K- p# s1 _& ~# `; D4 B
/ T6 u/ w( B" E2 [/ m7 T4 T执行make && make install


( v* W. Z/ U) H) m  l

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别人总结的一些错误：
遇到错误的解决办法：
错误1：运行./bootstrap时出现报错：
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) U( W' ^* v6 I-- Looking for gethostname
-- Looking for gethostname - found
-- Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY OPENSSL_INCLUDE_DIR)
- u8 q8 ~, s9 W( NCMake Error at Utilities/cmcurl/CMakeLists.txt:454 (message):
  Could not find OpenSSL.  Install an OpenSSL development package or
  configure CMake with -DCMAKE_USE_OPENSSL=OFF to build without OpenSSL.
- D+ y9 `% P4 M' R7 m- {4 x

-- Configuring incomplete, errors occurred!
See also "/home/whlg/cmake-3.16.6/CMakeFiles/CMakeOutput.log".
See also "/home/whlg/cmake-3.16.6/CMakeFiles/CMakeError.log".
2 x/ O5 ^: L" |$ `, D/ L: T& `---------------------------------------------
" ?! [6 A- h  ?- b% q0 `$ V5 oError when bootstrapping CMake:
Problem while running initial CMake
---------------------------------------------
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$ ^  x1 ?1 e% Y3 b  j/ n8 q提示找不到OpenSSL,查看错误日志，缺少软件包。

解决方案：

0 ~' e, s" y3 D* q0 {3 Hsudo apt-get install libssl-dev
再运行

- m/ |4 C2 s1 z1 I( W) ^./bootstrap
错误2：make install时出现报错：
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[100%] Built target foo
& m) O/ U$ [  H" }3 y% s* AInstall the project...
-- Install configuration: ""
$ w8 m& N* a! Z4 ?8 pCMake Error at Source/kwsys/cmake_install.cmake:41 (file):
  file cannot create directory: /usr/local/doc/cmake-3.16/cmsys.  Maybe need
  administrative privileges.
$ W5 @) I, i- C, qCall Stack (most recent call first):
  cmake_install.cmake:42 (include)
$ [  X8 l, N! F9 Y
! L6 D# C! O6 k+ y6 w/ f* {5 G
: W! U! H9 s) rMakefile:76: recipe for target 'install' failed
make: *** [install] Error 1
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- Y( U3 X: U) W解决方案：

sudo make install
2 |4 T7 S5 P3 R5 L. ]# ^错误3：执行cmake --version时提示没有那个文件或目录：
2 t5 F3 l+ k) Y0 @" gbash: /usr/bin/cmake: 没有那个文件或目录
- Q3 n/ Q: G% j1 F- H5 S* I解决方案：
2 u/ j3 R# K! [4 K) Y
  ]$ T7 A! {3 ?& X& ]/ x/ q. \* a使用which cmake查找cmake的安装路径，默认是在/usr/local/bin/cmake，而系统会默认去/usr/bin中去寻找。
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; r+ _# L1 W* G7 |; k: N% w做一个链接即可：

  `/ \5 A5 A/ z# R4 @9 i) ^( m* Iln -s /usr/local/bin/cmake /usr/bin
提示没有权限的话加上sudo。