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当我尝试安装ROOT时出现错误

tag-icon • tag-icon ubuntu cmake cern-root
当我尝试安装ROOT时出现错误

我使用 Ubuntu 14.0。我想安装root。所以我按照说明进行操作：

https://root.cern.ch/building-root

我被困在第四步了。我下载并解压到ROOT目录下

主页/约翰/根

我决定将其安装在目录中

家/约翰/根

所以我创建了该文件夹并进入了它。现在我想执行cmake：

cmake home/john/根

但我收到以下错误：

CMake Error at CMakeLists.txt:9 (find_package):
By not providing "FindROOT.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "ROOT", but
CMake did not find one.

Could not find a package configuration file provided by "ROOT" with any of
the following names:

ROOTConfig.cmake
root-config.cmake

Add the installation prefix of "ROOT" to CMAKE_PREFIX_PATH or set
"ROOT_DIR" to a directory containing one of the above files.  If "ROOT"
provides a separate development package or SDK, be sure it has been
installed.


-- Configuring incomplete, errors occurred!
See also "/home/john/Root/CMakeFiles/CMakeOutput.log".

它基本上告诉我该怎么做。所以我在 CMakeLists 文件的末尾添加了以下行：

SET(CMAKE_INSTALL_PREFIX /home/john/Root/)

然而，这根本没有帮助。

我尝试用谷歌搜索错误，但其他人都说我应该将 CMAKE_INSTALL_PREFIX 设置为源路径。我已经这样做了，但它不起作用。为什么？

答案1

按照说明进行操作[1]我在子目录中做了~/home/Root；然后我下载了源文件浏览页面[2]并选择文件root_v6.06.00.source.tar.gz。

wget https://root.cern.ch/download/root_<version>.source.tar.gz
tar -zxf root_<version>.source.tar.gz

然后我进入版本目录（在我的例子中~/Root/root-6.06.00）。
然后我忘记了 cmake 并使用configure目录中存在的文件：

./configure       # It founds something and misses other
./configure --all # Just to enable something more
make -j4          # I used 4 cores to compile in parallel
# Take a good nap...  (> 22 minutes)
# Obtained some white and pink warnings (see below) then finally

   ============================================================
   ===                ROOT BUILD SUCCESSFUL.                ===
   === Run 'source bin/thisroot.[c]sh' before starting ROOT ===
   ============================================================

然后，因为我有一个 bash shell，所以我写了

source bin/thisroot.sh  # Set some variable
bin/root                # Execute ROOT

并获得

   ------------------------------------------------------------
  | Welcome to ROOT 6.06/00                http://root.cern.ch |
  |                               (c) 1995-2014, The ROOT Team |
  | Built for linuxx8664gcc                                    |
  | From tag v6-06-00, 9 December 2015                         |
  | Try '.help', '.demo', '.license', '.credits', '.quit'/'.q' |
   ------------------------------------------------------------

 root [0]

笔记：

  • 警告消息
    /usr/include/qt4/QtCore/qmetatype.h:256:5:
    warning: 'register' 存储类说明符已弃用 [-Wdeprecated-register]

  • 您可以第二次安装./configure | grep no并安装您错过的库，然后再次重做:-)。

  • Tar 文件大小 103 MB，打开 305MB，编译+源 1.3GB

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